Entries |
Document | Title | Date |
20080214321 | GOLF CLUB HEAD - A weight material is provided on a heel side of a hosel portion in a golf club head. A convex portion E is provided on the heel side of the head. The weight material is disposed within the convex portion. The weight material is made of high specific gravity metal such as tungsten, and welded on both a lower column and a skirt portion. | 09-04-2008 |
20080220893 | GOLF CLUB HEAD WITH HIGH MOMENT OF INERTIA - A golf club head having a high moment of inertia is disclosed herein. The golf club head preferably has a volume ranging from 450 cubic centimeters to 475 cubic centimeters, a mass ranging from 180 grams to 225 grams, and a length ranging from 4.0 inches to 5.0 inches. The golf club head preferably has a moment of inertia, Iyy, about the center of gravity of the golf club head ranging from 2000 grams-centimeters squared to 4000 grams-centimeters squared. Preferably, the first 10% of the golf club head has at least 40% of the mass of the golf club head. | 09-11-2008 |
20080242445 | Golf Club Head with Non-Metallic Body - A golf club includes a head having a front body preferably made of metallic material and a rear body preferably made of non-metallic material. The front and rear bodies are constructed so that a crown wall on the front body has a protruding section that mates with a recessed section of a crown wall on the rear body. The protruding section of the crown wall on the front body lies in a region of the club head that experiences the highest deflection and stress during impact with a golf ball. Therefore, the club head behaves, during impact with a golf ball, substantially as if the rear body were formed of metallic material rather than non-metallic material. | 10-02-2008 |
20080248895 | ROTATIONAL MOLDED GOLF CLUB HEADS - Wood-type golf clubs and/or golf club heads include: (a) a golf club head base member including a face member having a ball striking face; and (b) a polymeric body member engaged with the golf club head base member, wherein the polymeric body member is formed via a rotational molding process (or other centrifugal force inducing molding process) and/or engaged with the golf club head base member via a rotational molding process (or other centrifugal force inducing molding process). The polymeric body member forms at least a portion of a crown member of the club head in some structures. | 10-09-2008 |
20080261719 | GOLF CLUB HEAD - There is provided a golf club head capable of increasing carry on average even if being used by an amateur golfer who is prone to hit a ball with various hit points across the clubface. A golf club head | 10-23-2008 |
20080261720 | GOLF CLUB HEAD - This invention provides a golf club head including a head main body, a face plate and a hollow portion. The head main body includes an opening in a face portion, and the opening is provided with a plurality of pawls to receive the face plate which is to fit in the opening. The pawls include a large pawl and a small pawl. The large pawl is arranged in each of a heel-side upper portion and a toe-side lower portion and the small pawl is arranged in at least either one of a heel-side lower portion and a toe-side upper portion when the opening is divided into four vertically and horizontally about a face center as the center. The face plate is fitted in the opening and fixed by welding. | 10-23-2008 |
20080293516 | Golf club head and golf club - A golf club head | 11-27-2008 |
20090017937 | Wood-type golf club head - A wood-type golf club head comprises a hollow structure having a geometrical arrangement for improving the directionality and carry distance of the struck ball, wherein the ratio (W/L) of a size (W) of the head in the back-and-forth direction to a size (L) of the head in the toe-heel direction is 0.85 to 1.0; and the ratio (FP/GL) of a face progression (FP) of the head to a depth (GL) of the center of gravity of the head is 0.50 to 0.75. | 01-15-2009 |
20090048037 | WOOD-TYPE GOLF CLUB HEADS AND METHODS OF ADJUSTING THE SAME - The present invention describes wood-type golf club heads and methods of adjusting these wood-type golf club heads. An exemplary embodiment of the present invention provides a wood-type golf club head having a body with a sole portion, a face portion, and a hollow interior. Furthermore, a crown portion is disposed on the body, and the crown portion has an upper crown and a lower crown. The upper crown is disposed a predetermined height above the lower crown and the lower crown makes up more than half of the crown portion. | 02-19-2009 |
20090069113 | Golf club head - A golf club head having a hollow structure comprising a head main body provided with a top opening and a crown plate fitted in the top opening is disclosed. The head main body is provided with a support for the crown plate extending along the edge of the top opening and protruding into the top opening with a variable width from the edge of the top opening. the average Wa of the width of the crown plate support existing in the foreside one-quarter zone of the top opening, the average Wc of the width of the crown plate support existing in the backside one-quarter zone of the top opening, and the average Wb of the width of the crown plate support existing in the mid two-quarter zone of the top opening satisfy (1) Wa>Wb, and (2) Wc>Wb. | 03-12-2009 |
20090075752 | Golf club head - A hollow golf club head has a head volume of not less than 430 cc, a lateral moment of inertia of from 5000 to 5900 g sq·cm, and a club head thickness of from 45 to 58 mm. | 03-19-2009 |
20090082132 | Golf Club Head - A golf club head includes a club head body having a striking face, a soleplate, a crown, a toe, a heel and a hosel shaped and dimensioned for receiving a shaft. The club head body includes a body shell composed of the striking face, soleplate, crown, toe and heel, wherein the body shell has a reduced mass allowing for greater weight manipulation within the club head body. | 03-26-2009 |
20090098948 | Golf Club Head - A golf club head includes a club head body having a striking face, a soleplate, a toe, a heel and a hosel. The club head body includes a body shell composed of the striking face, soleplate, toe and heel, wherein at least a portion of the body shell is composed of a flexible material having a density of less than approximately 2.5 g/cm | 04-16-2009 |
20090105010 | GOLF CLUB WITH OPTIMUM MOMENTS OF INERTIA IN THE VERTICAL AND HOSEL AXES - A golf club is provided having a hollow body golf club head comprising discrete concentrations of weight or mass located away from the center of gravity or the geometric center of the club head to optimize the moment of inertia of the club head about both the vertical axis running through the center of gravity or geometric center of the club head, hereinafter referred to as the “y-axis,” and the axis running through the center of the shaft of the golf club, hereinafter referred to as the “hosel axis.” The ratio of moment of inertia of the club head about the y-axis to moment of inertia of the club head about the hosel axis is preferably 0.55. More preferably, this ratio is 0.75. | 04-23-2009 |
20090124411 | GOLF CLUB HEAD - An exemplary golf club head having additional discretionary mass may be realized by utilizing light-weight materials, an favorable average crown height, and/or articulation points. By using a preferred break length, the additional discretionary mass may be placed low and deep in the club head to improve the location of the center of gravity as well as the inertial properties. In one example, the center of gravity may be positioned to substantially align the sweet spot with the face center of the club head. | 05-14-2009 |
20090137338 | WOOD-TYPE GOLF CLUB HEAD - According to one embodiment, a wood-type golf club head includes: a face portion; a sole portion; a crown portion; a leading edge defined between the face portion and the sole portion; an upper edge defined between the face portion and the crown portion; wherein, at a basic state that the golf club head is set on a horizontal plane, a contact point between the horizontal plane and the sole portion is defined as a ground point, wherein a plane passing through the ground point and extending in a direction of a target line is defined as a vertical plane, wherein a height from the horizontal plane to a first intersection point where the face upper edge intersects the vertical plane is defined as a face height H | 05-28-2009 |
20090143168 | METAL WOOD CLUB WITH IMPROVED MOMENT OF INERTIA - A more efficient triangular shape for metal wood clubs or driver clubs is disclosed. This triangular shape allows the clubs to have higher rotational moments of inertia in both the vertical and horizontal directions, and a lower center of gravity. | 06-04-2009 |
20090149275 | GOLF CLUB HEAD - An exemplary golf club head having an increased amount of discretionary mass may be realized by utilizing improved drop angles, an improved average crown height, and/or articulation points. The discretionary mass may be placed low and deep in the club head to improve the location of the center of gravity as well as the inertial properties. A preferred break length may also be utilized to further improve the depth of the center of gravity. In one example, the center of gravity may be positioned to substantially align the sweet spot with the face center of the club head. | 06-11-2009 |
20090156329 | GOLF CLUB WITH OPTIMUM MOMENTS OF INERTIA IN THE VERTICAL AND HOSEL AXES - A golf club is provided having a hollow body golf club head comprising discrete concentrations of weight or mass located away from the center of gravity or the geometric center of the club head to optimize the moment of inertia of the club head about both the vertical axis running through the center of gravity or geometric center of the club head, hereinafter referred to as the “y-axis,” and the axis running through the center of the shaft of the golf club, hereinafter referred to as the “hosel axis.” The ratio of moment of inertia of the club head about the y-axis to moment of inertia of the club head about the hosel axis is preferably 0.55. More preferably, this ratio is 0.75. | 06-18-2009 |
20090163293 | GOLF CLUB HEAD - A golf club head ( | 06-25-2009 |
20090163294 | DRIVER WITH DEEP AFT CAVITY - A golf club head with a deep aft cavity is disclosed herein. The body has a striking plate wall, a crown section, a sole section and a rear wall. An area of interest preferably has less than 12% of the mass of the golf club head. The golf club head preferably is a driver. | 06-25-2009 |
20090170632 | Golf club - A golf club head includes a body defining an interior cavity. The body includes a sole positioned at a bottom portion of the golf club head, a crown positioned at a top portion, and a skirt positioned around a periphery between the sole and crown. The body has a forward portion and a rearward portion. The club head includes a face positioned at the forward portion of the body. The face defines a striking surface having an ideal impact location at a golf club head origin. Some embodiments of the club head form a club head for a fairway wood that has a high moment of inertia, a low center-of-gravity and a thin crown. | 07-02-2009 |
20090191980 | Golf club head - A golf club head with an increased moment of inertia (MOI) about the X axis and the Z axis. Generally, the MOI about the Z axis is at least about 4400 g·cm | 07-30-2009 |
20090203466 | Golf club head - The present invention discloses a golf club head, particularly a club head structure for driving a golf ball, and the golf club head includes a club head body and a striking surface, and the striking surface is substantially in a hemispherical shape or a semicircular tubular shape, such that the golf ball also has a circular contact surface for producing a reaction force during a collision with each other to produce an explosive force at a ball striking point and drive the golf ball to a farther driving distance and enhance the practicability and value of the golf club head structure. | 08-13-2009 |
20090203467 | Metal Wood Club with Improved Moment of Inertia - A more efficient triangular shape for metal wood clubs or driver clubs is disclosed. This triangular shape allows the clubs to have higher rotational moments of inertia in both the vertical and horizontal directions, and a lower center of gravity. | 08-13-2009 |
20090247320 | GOLF CLUB HEAD - A golf head club has a high moment of inertia and thus produces a pleasing hitting sound. A metallic golf club head | 10-01-2009 |
20090253533 | GOLF CLUB HEAD - A golf club head is provided with a face portion comprising: a central thick part having a thickness Tc; a crown-side thick part having a thicknesses Tr; a sole-side thick part having a thicknesses Tr; a toe-side thinner part having a thickness TT; and a heel-side thinner part having a thickness TH, wherein: (1) Tc>=Tr>TT and (2) Tr>TH are satisfied; and the centroid of the central thick part is positioned on the toe-side of an extension of a widthwise center line of the crown-side thick part towards the sole and further positioned on the heel-side of an extension of a widthwise center line of the sole-side thick part towards the crown. | 10-08-2009 |
20090258726 | GOLF CLUB HEAD | 10-15-2009 |
20090258727 | WOOD-TYPE GOLF CLUB HEAD - A hollow wood-type golf club head with stable flight direction and flight distance performances, the club head having a moment of inertia Ix 4,000 to 5,900 g·cm | 10-15-2009 |
20090264219 | Wood club - A wood type club is provided of which a club head is capable of being swung lightly at a high speed and which is capable of reducing and restricting a covering phenomenon or a toe-down phenomenon of the club head. | 10-22-2009 |
20090275425 | GOLF CLUB HEAD AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a golf club head having a hollow structure composed of a main body-member and a metal face member welded thereto, comprises the steps of: (a) preparing a rolled material having a constant thickness; (b) cutting out a face member part or blank from the rolled material; (c) making the face member by forming the turnback through press working on the face member part; and (d) reducing the thickness of a corresponding-to-turnback region by machining prior to the step (c), wherein the corresponding-to-turnback region is a region of the cutout face member part corresponding to the turnback, or a region of the rolled material corresponding to the turnback. | 11-05-2009 |
20090291775 | WOOD-TYPE GOLF CLUB HEAD - A wood-type hollow golf club head has a lateral moment of inertia Ma and a vertical moment of inertia Mb which has a ratio (Mb/Ma) of not less than 0.80. The head can be provided with a hollow structure divided in the front-back direction of the head into a front member, a rear member and a middle member therebetween, wherein the middle member has a specific gravity smaller than those of the front member and rear member. | 11-26-2009 |
20100029408 | GOLF CLUB HEAD | 02-04-2010 |
20100056298 | Golf Club Heads and Methods to Manufacture the Same - Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. Other embodiments can be described and claimed. | 03-04-2010 |
20100087271 | GOLF CLUB HEAD - A golf club head of this invention is a hollow golf club head which includes a face portion, a crown portion, a sole portion, and a side portion. The wall thickness of a face/crown bending portion, which is molded by casting and forms the boundary between the face portion and the crown portion, is smaller on the toe side than on the heel side. | 04-08-2010 |
20100093464 | GOLF CLUB HEAD - A golf club head ( | 04-15-2010 |
20100113185 | METHOD AND APPARATUS FOR FORMING A FACE STRUCTURE FOR A GOLF CLUB HEAD - A golf club head having a multiple material face is disclosed herein. The golf club head has a coefficient of restitution value greater than 0.83 and a characteristic time value of less than 257 milliseconds. The golf club head is preferably composed of a titanium alloy with a polymer layer disposed over a titanium alloy front wall. A preferred polymer is a polyurethane polymer. | 05-06-2010 |
20100120554 | METHOD FOR MAKING GOLF CLUB HEADS USING POLISHING MARKS - Certain disclosed embodiments concern making sports equipment, such as golf club heads, using polishing marks to facilitate removing material from as-cast work pieces to produce a final thickness within a desired specification, such as 0.6 millimeter or less±0.05 millimeter. At least one polish mark, more typically plural polish marks, is formed into an outer surface of an as-cast article to a depth selected to provide a final product thickness subsequent to polishing that is ±0.05 millimeter of a final desired thickness. The golf club head or component is then polished at least once to remove club head material substantially corresponding to the depth of the at least one polish mark. The method may further comprise joining the club head to a shaft. | 05-13-2010 |
20100120555 | GOLF CLUB HEAD WITH METAL INJECTION MOLDED SOLE - A wood-type golf club head ( | 05-13-2010 |
20100130304 | GOLF CLUB HEAD WITH CONCAVE INSERT - A hollow golf club head with a concave portion is disclosed and claimed. The club head includes a metallic portion and a light weight portion, which may be formed of plastic, composite, or the like. The concave portion allows the club designer to make a club head having very thin portions while still maintaining the requisite structural integrity. Convex bulges may optionally be provided to house weight inserts to enhance the playing characteristics of the golf club. | 05-27-2010 |
20100130305 | GOLF CLUB HEAD WITH CONCAVE INSERT - A hollow golf club head with a concave portion is disclosed and claimed. The club head includes a metallic portion and a light weight portion, which may be formed of plastic, composite, or the like. The concave portion allows the club designer to make a club head having very thin portions while still maintaining the requisite structural integrity. Convex bulges may optionally be provided to house weight inserts to enhance the playing characteristics of the golf club. | 05-27-2010 |
20100137073 | High Moment of Inertia Wood-Type Golf Clubs and Golf Club Heads - Wood-type golf club heads include: (a) a club head body including heel, toe, crown, sole, and weighted rear portions; and (b) a variable thickness ball striking face. The club head body parts and weighted portion(s) may be arranged such that the club head has a moment of inertia about a vertical axis passing through the club head center of gravity of at least 5000 g-cm | 06-03-2010 |
20100144462 | MULTIPLE MATERIAL FAIRWAY-TYPE GOLF CLUB HEAD - A fairway-wood type golf club head having a composite crown is disclosed herein. The fairway-wood type golf club head comprises a cast subassembly and a compression molded crown component which is bonded to the subassembly. Each of the subassembly and the crown component has a non-overlapping bonding flange that bonds with an interior surface. | 06-10-2010 |
20100144463 | MULTIPLE MATERIAL DRIVER-TYPE GOLF CLUB HEAD - A driver-type golf club head having a composite crown is disclosed herein. The driver-type golf club head includes a subassembly including a cast face component and a stamped sole component, and a compression molded crown component which is bonded to the subassembly. Each of the subassembly and the crown component has a non-overlapping bonding flange that bonds with an interior surface. | 06-10-2010 |
20100151962 | TWO PIECE CLUB CONSTRUCTION APPARATUS AND METHOD - A method and apparatus for forming a golf club head is disclosed. The golf club head includes a first and second part, each of which may include more than one portion of the golf club head. The two parts are operatively connected using a single, continuous, non-planar weld line. Preferably, the weld line passes through a transition between the face and either the crown of the club or the sole of the club. Each portion of the club may include different percentages of the face and/or body, providing the advantage of minimizing manufacturing costs and time while controlling club head performance attributes to a higher level of precision. | 06-17-2010 |
20100151963 | GOLF CLUB HEAD WITH PROGRESSIVE FACE STIFFNESS - A metal wood golf club head adapted for attachment to a shaft, with a body comprising of a first body portion and a second body portion, each portion constructed of a different density material. Combining a high density material in the first body portion with a low density material in the second body portion, creates an ultra-low center of gravity relative to the geometric face center, resulting in higher launch angles and spin rate ratios. Thickening the lower area of the front face lowers the center of gravity and upwardly shifts the coefficient of restitution to the geometric center of the face. | 06-17-2010 |
20100160074 | GOLF CLUB HEAD - A golf club head having a hollow construction produces a characteristic low ball hitting sound to accommodate the diversity of golfers' preferences for ball hitting sounds even if the volume of the golf club head is increased to 430 to 500 cc and the weight thereof is decreased to 160 to 220 g. In a golf club head having a hollow construction and including a face part, a sole part, a crown part, and a side part, in which the head volume is 430 to 500 cc, and the head weight is 160 to 220 g, the area of the sole part is increased so that the primary natural frequency of the sole part is 2400 Hz or less, and a weight is formed at a position of the center of vibration in the sole part on the inner surface on the hollow construction side of the sole part. | 06-24-2010 |
20100178998 | METHOD FOR MANUFACTURING AND GOLF CLUB HEAD - A method for forming a golf club head comprises placing an uncured composite material between a core and a mold that comprises a first piece and a second piece. The second piece is moved towards the first piece such that the uncured composite material is compressed between the core and at least a portion of the mold. The uncured composite material is heated. A first portion of the golf club head is removed from the mold. A second portion of the golf club head is provided. The first portion is attached to the second portion. In certain arrangements, the second portion is formed from a metallic material. | 07-15-2010 |
20100190574 | GOLF CLUB HEAD WITH TUNGSTEN ALLOY SOLE COMPONENT - A hybrid wood-type golf club head ( | 07-29-2010 |
20100203983 | Golf Clubs and Golf Club Heads - Golf club heads including first section and a second section that are separate and distinct from one another and are engaged to form at least a portion of the golf club head. The first section may include a first ledge member and the second section may include a second ledge member and the first ledge member may be engaged with the second ledge member to form a junction area. The first ledge member may include a first vertical side and a second vertical side and a horizontal side therebetween and the second ledge member may include a first vertical side and a second vertical side and a horizontal side therebetween. The first and second ledge members may be complementary. Golf clubs including these club heads and methods of making a golf club and golf club heads also are provided. | 08-12-2010 |
20100234136 | GOLF CLUB HEAD - A weight material is provided on a heel side of a hosel portion in a golf club head. A convex portion E is provided on the heel side of the head. The weight material is disposed within the convex portion. The weight material is made of high specific gravity metal such as tungsten, and welded on both a lower column and a skirt portion. | 09-16-2010 |
20100248860 | ADVANCED HYBRID IRON TYPE GOLF CLUB - The present invention is a unique advanced hybrid iron type golf club. The club is characterized by a long blade length with a long heel blade length section, while having a small club moment arm, Zcg, and volume, and producing a high moment of inertia. The golf club incorporates the discovery of unique relationships among key club head engineering variables that are inconsistent with merely striving to obtain a high moment of inertia using conventional golf club head design wisdom. | 09-30-2010 |
20100273572 | GOLF CLUB - A golf club head includes a body defining an interior cavity. The body includes a sole positioned at a bottom portion of the golf club head, a crown positioned at a top portion, and a skirt positioned around a periphery between the sole and crown. The body has a forward portion and a rearward portion. The club head includes a face positioned at the forward portion of the body. The face defines a striking surface having an ideal impact location at a golf club head origin. Some embodiments of the club head have a high moment of inertia and variable thickness face. | 10-28-2010 |
20100273573 | DRIVER WITH DEEP AFT CAVITY - A golf club head with a deep aft cavity is disclosed herein. The body has a striking plate wall, a crown section, a sole section and a rear wall. An area of interest preferably has less than 12% of the mass of the golf club head. The golf club head preferably is a driver. | 10-28-2010 |
20100279793 | METAL WOOD CLUB WITH IMPROVED MOMENT OF INERTIA - A more efficient triangular shape for metal wood clubs or driver clubs is disclosed. This triangular shape allows the clubs to have higher rotational moments of inertia in both the vertical and horizontal directions, and a lower center of gravity. | 11-04-2010 |
20100285901 | Golf Club Head And Method Of Manufacture - Embodiments of golf clubs and methods of manufacture are described herein. Other embodiments and related methods are also disclosed herein. | 11-11-2010 |
20100285902 | Golf Club Head - An exemplary golf club head having an increased amount of discretionary mass may be realized by utilizing improved drop angles, an improved average crown height, and/or articulation points. The discretionary mass may be placed low and deep in the club head to improve the location of the center of gravity as well as the inertial properties. A preferred break length may also be utilized to further improve the depth of the center of gravity. In one example, the center of gravity may be positioned to substantially align the sweet spot with the face center of the club head. | 11-11-2010 |
20100292028 | MULTI-COMPONENT GOLF CLUB HEAD - A golf club head having multiple components is provided. The golf club head includes a plurality of components wherein at least one component exhibits a different modulus of elasticity than the other components. In some structures, one or more of the plurality of components that comprise the golf club head is titanium or titanium alloy component provided in the heel and/or toe areas of the club head structure immediately adjacent the ball striking face, wherein that titanium or titanium alloy component has a lower modulus of elasticity than the material making up the club face and/or other club head body components. | 11-18-2010 |
20100292029 | Golf club head having a displaced crown portion - A hollow wood-type golf club head having an increased weight budget and improved mass characteristics at minimum structural mass is disclosed. The club head has a striking face portion, a sole portion, a skirt portion, and a crown portion having a total surface area. A hosel portion joins the club head for connecting a shaft to the club head. The crown portion has a major crown portion and a minor crown portion, the major portion having greater surface area than the minor portion, and the major portion being displaced vertically lower relative to the minor crown portion. The major crown portion may have a generally concave curvature and the minor crown portion may have a generally convex curvature such that the major crown portion is in effect inverted with respect to the minor crown portion. The major crown portion may be upwardly inclined from the heel to the toe of the head. The head may exhibit a parabolic top view silhouette. | 11-18-2010 |
20100331106 | GOLF CLUB WITH IMPROVED PERFORMANCE CHARACTERISTICS - A metal wood type golf club with improved performance characteristics is disclosed herein where the metal wood type golf club head will combined the performance characteristics of both a driver type golf club head and a fairway type golf club head. More specifically, the present invention relates to a golf club head with a volume of between about 150 cc to about 360 cc, a CG location between about 10 mm to about 20 mm above the ground, a face depth of between about 30 millimeters (mm) to about 65 millimeters (mm), a loft of about between 10 degrees to about 16 degrees, and a COR of about 0.790 to about 0.830, wherein the entire golf club has a length of between about 41 inches to about 45 inches. | 12-30-2010 |
20110014995 | GOLF CLUB HEAD - A golf club head according to this invention is a hollow golf club head including a face portion, a crown portion, and a sole portion. The sole portion includes a first region which starts from the boundary portion between the sole portion and the face portion, and a second region which is spaced apart from the boundary portion toward the back side, and is adjacent to the first region. The second region is thinner than the first region and a third region adjacent to the back-side periphery of the second region. The second region includes the position of an antinode of the primary vibration mode of the sole portion at the time of impact. | 01-20-2011 |
20110039637 | GOLF CLUB WITH STABLE FACE ANGLE - A golf club having a golf club head | 02-17-2011 |
20110092311 | GOLF CLUB HEAD HAVING A COMPOSITE CROWN - The present invention resides in a golf club head having a high COR that is durable and has desirable acoustic qualities. The club head includes a body portion, a striking face and a crown forming a hollow cavity of at least 150 cc in volume. The body portion defines a front opening and an upper opening, and it includes a sole and a side section that extends rearward of the front opening. The striking plate is secured to the body portion, enclosing the front opening. While partially assembled, final weighting and/or other attachment of other members to the inner surface of the club head can be preformed, as desired. The crown is secured to the body portion, enclosing the upper opening. A surface veil may also be provided about a junction of the crown and body. The crown has a maximum thickness no greater than about 2 mm. The density of the crown is less than the density of the body portion. At least one of the striking plate and the crown is attached to the second portion by adhesive bonding, and the golf club head has a maximum coefficient of restitution of at least 0.80. | 04-21-2011 |
20110124435 | FACE STRUCTURE FOR A GOLF CLUB HEAD - A golf club head having a multiple material face is disclosed herein. The golf club head has a coefficient of restitution value greater than 0.83 and a characteristic time value of less than 257 milliseconds. The golf club head is preferably composed of a titanium alloy with a polymer layer disposed over a titanium alloy front wall. A preferred polymer is a polyurethane polymer. | 05-26-2011 |
20110130215 | GOLF CLUB HEAD - A hollow golf club head according to this invention includes a face portion, a crown portion, a sole portion, and a side portion. This golf club head includes a head body that forms the crown portion, the sole portion, and the side portion and has an opening portion in a portion corresponding to the face portion, and a face member that is joined to the opening portion and forms the face portion. The head body includes a first notch portion formed in a heel-side portion of the peripheral edge of the opening portion, which is on the side of the crown portion, and a second notch portion formed in a toe-side portion of the peripheral edge, which is on the side of the sole portion. The face member includes a first extending portion that seals the first notch portion, and a second extending portion that seals the second notch portion. The first extending portion is more rigid than a portion of the peripheral edge, which is on the side of the crown portion and on the toe side with respect to the first extending portion. The second extending portion is more rigid than a portion of the peripheral edge, which is on the side of the sole portion and on the heel side with respect to the second extending portion. | 06-02-2011 |
20110152003 | GOLF CLUB HEAD WITH MULTI-COMPONENT CONSTRUCTION - A golf club head with multi-component construction. The golf club head includes a hollow body that is created from components constructed of different materials so that the weight distribution may be optimized. | 06-23-2011 |
20110152004 | GOLF CLUB HEAD - A golf club head includes: a face portion; a sole portion; a side portion; a crown portion defining a hollow portion with the face portion, the sole portion and the side portion; a hosel portion; an adhesive material provided on an inner surface of the hollow portion; and a protruding portion for dividing an arrangement area of the adhesive material, the protruding portion being provided on the sole portion. | 06-23-2011 |
20110159986 | GOLF CLUB HEAD - A golf club head having good forgiveness and playability characteristics includes a body defining an interior cavity. The body includes a sole positioned at a bottom portion of the golf club head, a crown positioned at a top portion, a skirt positioned around a periphery between the sole and crown, and a strike face positioned at the front of the body. The body has a forward section, a mid-section and a back section. The mass of the forward section is at least as great as the combined mass of the mid-section and back section and the mass ratio of the back section to the mid-section is greater than 80%. Some embodiments of the club head include lightweight panels positioned within openings formed in the sole and crown of the body. | 06-30-2011 |
20110159987 | GOLF CLUB HEAD - A hollow golf club head has a head body having a face aperture part and a face member held to the face aperture part by welding, the face member formed by forging a rolled material of a titanium alloy having an α phase, and the face member comprising a thick-material part positioned in the center of the face member, an outer peripheral part positioned at the periphery of the thick-material part, and a thin-material part partially positioned between the thick-material part and the outer peripheral part. The thick-material part is formed in an area having a shape obtained by depressing a substantially elliptical or substantially circular shape in a substantially arcuate shape toward the center of the ellipse at two opposite sides thereof. The thick-material part, the thin-material part, and the peripheral part are formed by the forging so as to destroy an orientation of the α-phase. | 06-30-2011 |
20110177880 | Golf Club Head and Method of Manufacture - Embodiments of golf clubs and methods of manufacture are described herein. Other embodiments and related methods are also disclosed herein. | 07-21-2011 |
20110183775 | GOLF CLUB - A golf club head includes a body defining an interior cavity. The body includes a sole positioned at a bottom portion of the golf club head, a crown positioned at a top portion, and a skirt positioned around a periphery between the sole and crown. The body has a forward portion and a rearward portion. The club head includes a face positioned at the forward portion of the body. The face defines a striking surface having an ideal impact location at a golf club head origin. Some embodiments of the club head form a club head for a fairway wood that has a high moment of inertia, a low center-of-gravity and a thin crown. | 07-28-2011 |
20110190073 | METAL WOOD CLUB WITH IMPROVED MOMENT OF INERTIA - A more efficient triangular shape for metal wood clubs or driver clubs is disclosed. This triangular shape allows the clubs to have higher rotational moments of inertia in both the vertical and horizontal directions, and a lower center of gravity. | 08-04-2011 |
20110195800 | GOLF CLUB HEAD WITH IMPROVED AERODYNAMIC CHARACTERISTICS - A driver type golf club head comprising a body having a face, a crown and a sole, wherein the highest point of the crown surface is located within a crown apex zone, and the club head has a depth, the depth being at least twice the length as a height of the club head, wherein the depth is at least 4.600 inches. | 08-11-2011 |
20110195801 | METHOD OF FORMING A GOLF CLUB HEAD WITH IMPROVED AERODYNAMIC CHARACTERISTICS - A driver type golf club head comprising a body having a face, a crown and a sole, wherein the highest point of the crown surface is located within a crown apex zone, and a portion of the crown contour exists above a radius arc of approximately 5.25 inches. | 08-11-2011 |
20110212795 | Golf Club Heads and Methods to Manufacture the Same - Embodiments of golf club heads and methods to manufacture golf club heads are disclosed herein. Other examples and related methods are also generally described herein. | 09-01-2011 |
20110250986 | Golf Club Heads With Protrusion Weights And Related Methods - Embodiments of club heads with protrusion weights are described herein. Other embodiments and related methods are also disclosed herein. | 10-13-2011 |
20110275455 | GOLF CLUB HEAD WITH CONCAVE INSERT - A hollow golf club head with a concave portion is disclosed and claimed. The club head includes a metallic portion and a light weight portion, which may be formed of plastic, composite, or the like. The concave portion allows the club designer to make a club head having very thin portions while still maintaining the requisite structural integrity. Convex bulges may optionally be provided to house weight inserts to enhance the playing characteristics of the golf club. | 11-10-2011 |
20110281667 | GOLF CLUB HEAD WITH STIFFENING AND SOUND TUNING COMPOSITE MEMBER - A golf club head with sound tuning composite members forming at least a portion of the surface of the golf club head is disclosed herein. The composite members being a composite layer made out of a sandwiched core layer that is interposed inside the midsection of the composite member to provide vibration damping and sound tuning characteristics. | 11-17-2011 |
20110306441 | HOLLOW GOLF CLUB HEAD - There is provided a Ti alloy hollow club head which is more lightweight yet capable of realizing a better repulsion force by adjusting weight and thickness of a club head plate, with its strength ensured. Ribs are formed by chemically polishing the inner surface of a material of a crown plate to a 0.3 to 0.9 mm thickness, and a 0.3 to 4 mm width, and then first concave portions are formed to a 0.2 to 0.5 mm thickness. Thus, strength of the crown plate can be ensured by the ribs, while making the thickness thereof as thin as possible. | 12-15-2011 |
20110312439 | GOLF CLUB HEAD - A golf club head | 12-22-2011 |
20120028733 | GOLF CLUB HEAD WITH A BODY-CONFORMING WEIGHT MEMBER - A golf club head includes a main body having a top portion, a bottom portion, a striking face, and an interior surface. A weight member is coupled to the interior surface of the main body. In an imaginary vertical plane that passes through the weight member, the interior surface of the main body comprises a first point and a second point. An imaginary line passes through the first point and the second point. A first imaginary boundary line and a second imaginary boundary line, both passing through the weight member and being perpendicular to the imaginary line, pass through the first point and the second point, respectively. Between the first point and the second point, the interior surface of the main body has an irregularity factor of at least 1.2 and the weight member comprises a distribution factor of at most 1.0 and a conformity factor of at most 0.07. | 02-02-2012 |
20120034999 | GOLF CLUB HEAD AND SYSTEM - A golf club head system and a golf club head for inclusion into a golf club are provided. The golf club head includes a main body member and a secondary body member. The main body member has a striking surface, a sole portion, a crown portion, and a rear face substantially opposed to the striking surface. The main body member defines an at least substantially enclosed main body cavity. The secondary body member is attached to the main body member and extends at least substantially over the entire rear face of the main body member. The golf club head system includes two or more secondary body members, each configured for interchangeable attachment to a main body member. Each secondary body member defines an internal concavity, has a different external shape, and has a different combination of center-of-gravity and moment-of-inertia characteristics. | 02-09-2012 |
20120035000 | METHOD FOR MAKING GOLF CLUB HEADS USING POLISHING MARKS - Certain disclosed embodiments concern making sports equipment, such as golf club heads, using polishing marks to facilitate removing material from as-cast work pieces to produce a final thickness within a desired specification, such as 0.6 millimeter or less ±0.05 millimeter. At least one polish mark, more typically plural polish marks, is formed into an outer surface of an as-cast article to a depth selected to provide a final product thickness subsequent to polishing that is ±0.05 millimeter of a final desired thickness. The golf club head or component is then polished at least once to remove club head material substantially corresponding to the depth of the at least one polish mark. The method may further comprise joining the club head to a shaft. | 02-09-2012 |
20120058839 | GOLF CLUB WITH OPTIMUM MOMENTS OF INERTIA IN THE VERTICAL AND HOSEL AXES - A hollow golf club is provided having an outer shell and an inner frame. The outer shell comprises one or more lightweight members. The inner frame fits within a smaller envelope and sits on the sole of the club head. One or more weights are located either on or within the inner frame to optimize the moment of inertia of the club head about both the vertical axis running through the center of gravity or geometric center of the club head, referred to as the “y-axis,” and the axis running through the center of the shaft of the golf club, referred to as the “hosel axis.” The ratio of moment of inertia of the club head about the y-axis to moment of inertia of the club head about the hosel axis is preferably 0.55. More preferably, this ratio is 0.75. | 03-08-2012 |
20120083362 | HOLLOW GOLF CLUB HEAD HAVING CROWN STRESS REDUCING FEATURE - A hollow golf club incorporating a stress reducing feature including a crown located stress reducing feature located on the crown of the club head. The location and size of the crown stress reducing feature, and their relationship to one another and other club head engineering variables, play a significant role in reducing the peak stress seen on the golf club's face during an impact with a golf ball, as well as selectively increasing deflection of the face. | 04-05-2012 |
20120100929 | GOLF CLUB HEAD - A golf club head includes a striking face having a face center, a bottom portion, a top portion including an exterior surface, a hosel including an imaginary vertical hosel plane, a forwardmost point, and a rearwardmost point. In an imaginary vertical plane perpendicular to the hosel plane and passing through the face center, the exterior surface includes a path having a first point and a second point rearward of the first point. An imaginary infinite straight line passes through the first point and the second point, but does not penetrate the exterior surface. A segment of the imaginary straight line is delimited by the first point and the second point. A maximum distance between the segment and the exterior surface of the top portion is no greater than 0.70 mm and a distance between the first point and the second point is no less than 22 mm. | 04-26-2012 |
20120100930 | GOLF CLUB HEAD - A golf club head | 04-26-2012 |
20120100931 | GOLF CLUB HEAD - An iron-type golf club head is disclosed having a heel portion, a sole portion, a toe portion, a top-line portion, a front portion, a rear portion, and a striking face. A back wall is also disclosed in the rear portion enclosing a portion of the rear portion to create an enclosed cavity. The cavity is defined by at least a rear surface of the striking face, an inner back wall surface, and the sole portion. A plug and a filler material is located within the enclosed cavity. The filler material surrounds the plug and is configured to hold the plug in place. The plug is lighter than the filler material. | 04-26-2012 |
20120108358 | GOLF CLUB - A golf club comprises a club shaft and a golf club head attached to the tip end of the club shaft, wherein the length of the golf club is from 45 to 47 inches, the volume V of the golf club head is from 440 to 470 cu·cm, the moment of inertia M of the golf club head around the center line of the club shaft is 5500 to 6500 g sq·cm, and the ratio M/V of the moment of inertia M (g sq·cm) to the volume V (cu·cm) is from 11.0 to 13.5. | 05-03-2012 |
20120108359 | GOLF CLUB - A golf club has a reverse flex of from 90 to 140 mm. In a front view of the golf club head under a standard state in which the golf club head is placed on a horizontal plane at its lie angle and loft angle, a first straight line drawn to pass through the centroid of the toe-crown-side thin portion and the centroid of the back surface of the face portion is inclined at an angle θA of from 30 to 40 degrees with respect to the horizontal plane; and a second straight line drawn to pass through the centroid of the heel-sole-side thin portion and the centroid of the back surface of the face portion is inclined at an angle θB of from 39 to 42 degrees with respect to the horizontal plane. | 05-03-2012 |
20120129626 | GOLF CLUB HEAD WITH IMPROVED AERODYNAMIC CHARACTERISTICS - Methods of forming a golf club head having improved aerodynamic characteristics are disclosed herein. A preferred method is the largest tangent circle method, which utilizes a Cartesian coordinate system. The method results in identification and measurement of certain club head features, which can be adjusted to improve aerodynamic properties of the golf club head. One method of the present invention lowers the drag of the club head by specifying dimensional relationships of the driver head based on location of apex and nadir points, while another method lowers the drag of the club head by improving overall face design. | 05-24-2012 |
20120142450 | GOLF CLUB HEAD - This invention provides a hollow golf club head including a face portion, a crown portion, and a sole/side portion including a sole portion and a side portion. This golf club head includes a rib which extends from the toe side to the heel side in the sole portion, and a weight portion which is provided in the sole portion on the side of the face portion with respect to the rib or the back side with respect to the rib, and increases the amplitude of vibration of the sole portion. | 06-07-2012 |
20120142451 | GOLF CLUB HEAD HAVING A COMPOSITE CROWN - A golf club head having a high COR (maximum coefficient of restitution of at least 0.80) is durable and has desirable acoustic qualities. The club head includes a body portion, a striking face and a crown forming a hollow cavity of at least 150 cc. The body portion defines front and upper openings, and it includes a sole and a side section. The striking plate encloses the front opening. While partially assembled, final weighting and/or other attachment of other members to the inner surface of the club head can be preformed, as desired. The crown is secured to the body portion, enclosing the upper opening. A surface veil may also be provided about a junction of the crown and body. The striking plate and/or the crown are adhesively attached. | 06-07-2012 |
20120142452 | GOLF CLUB HEAD HAVING A STRESS REDUCING FEATURE WITH APERTURE - A hollow golf club incorporating a stress reducing feature including an aperture located on the crown or sole of the club head. The location and size of the stress reducing feature and aperture, and their relationship to one another, play a significant role in selectively increasing deflection of the face. | 06-07-2012 |
20120149494 | HOLLOW GOLF CLUB HEAD - This invention provides a hollow golf club head comprising a face portion, a crown portion, a sole portion, a side portion, and a hosel portion. A crown projecting portion in which the crown portion partly projects upward is formed at a position including a face center in the face-side region of the crown portion, and the thickness of the crown projecting portion gradually decreases toward the back. | 06-14-2012 |
20120157229 | GOLF CLUB HEAD AND METHOD OF MANUFACTURING THEREOF - A clubhead of a golf club which is a metallic hollow clubhead includes: a face portion; a crown portion; a hosel portion; and a lower part including a sole portion and side portions, wherein: the hosel portion and the crown portion are welded to the lower part; and the lower part is pressed out of a material plate and is thereafter subjected to a chemical polishing so that a thickness of the lower part varies by position. | 06-21-2012 |
20120165117 | GOLF CLUB - A golf club has a reverse flex of 110 to 160 mm. The face portion includes a central thick part, a toe-crown-side thin part on a crown-side and on a toe-side of the central thick part, and a heel-sole-side thin part on a sole-side and on a heel-side of the central thick part. In the front view of the head, a first straight line passing an area centroid of the toe-crown-side thin part and an area centroid of a back surface of the face portion has an angle θA of 10 to 30 degrees, and a second straight line passing an area centroid of the heel-sole-side thin part and the area centroid of the back surface of the face portion has an angle θB of 36 to 40 degrees, each with respect to the horizontal plane. | 06-28-2012 |
20120172145 | GOLF CLUB - A golf club has a reverse flex is 80 to 110 mm. The face portion includes a central thick part, a toe-crown-side thin part on a crown-side and on a toe-side of the central thick part, and a heel-sole-side thin part on a sole-side and on a heel-side the central thick part. In the front view of the head, a first straight line passing an area centroid of the toe-crown-side thin part and an area centroid of a back surface of the face portion has an angle θA of 38 to 45 degrees, and a second straight line passing an area centroid of the heel-sole-side thin part and the area centroid of the back surface of the face portion has an angle θB of 40 to 45 degrees, each with respect to the horizontal plane. | 07-05-2012 |
20120172146 | HIGH LOFT, LOW CENTER-OF-GRAVITY GOLF CLUB HEADS - A golf club head includes a body defining an interior cavity. The body includes a sole positioned at a bottom portion of the golf club head, a crown positioned at a top portion, and a skirt positioned around a periphery between the sole and crown. The body has a forward portion and a rearward portion. The club head includes a face positioned at the forward portion of the body. Embodiments include golf club heads having high static loft angles, low centers of gravity, or both high static loft angles and low centers of gravity. | 07-05-2012 |
20120196701 | Golf Club Head or Other Ball Striking Device Having Impact-Influencing Body Features - A ball striking device, such as a golf club, includes a head with a face having an outer surface configured for striking a ball, a body connected to the face, an elongated, inwardly recessed channel located on the body and extending across a portion of the body, and an insert mounted within the channel. The insert includes a resiliently deflectable base member that engages the channel to retain the insert within the channel and a rigid outer member connected to the base member and forming at least a portion of the outer surface of the insert, where the outer member is made from a different material than the base member. Additionally, the insert has an outer surface that is substantially flush with at least one immediately adjacent surface of the body. | 08-02-2012 |
20120196702 | IRON HEAD - An iron head includes a striking face; a backside surface; a sole surface; a hosel; a recess portion provided in an upper portion of the backside surface; a protruding portion provided at a lower portion of the backside surface and projecting backward; a first hollow portion provided on a heel side of the protruding portion; and a second hollow portion disposed on a toe side and inside the protruding portion. The protruding portion includes a middle portion between the first hollow portion and the second hollow portion. The first hollow portion is disposed away from the second hollow portion by a distance gradually increasing from an upper surface of the protruding portion toward the sole surface. | 08-02-2012 |
20120225734 | GOLF CLUB HEAD AND GOLF CLUB USING THE SAME - A golf club head provided with a hollow includes a head main portion made of metal material with an opening, a cover member made of fiber reinforced resin and covering the opening, wherein the opening includes a crown opening region provided in a crown portion and a sole-side opening region provided in the sole and side portions, and the crown opening region has an opening area projected onto an outer surface of the club head in a range of from 63 to 77% of a superficial area of the crown portion. The sole-side opening region has an opening area projected onto the outer surface of the club head being in a range of from 4 to 25% of the superficial area of the sole portion and the side portion in sum total. | 09-06-2012 |
20120225735 | GOLF CLUB HEAD - The present invention is a unique golf club head characterized by a long blade length with a long heel blade length section, while having a small club moment arm and a low center of gravity, and all the benefits afforded therefrom. | 09-06-2012 |
20120252601 | Golf Club Head or Other Ball Striking Device Having Custom Machinable Portions - A ball striking device, such as a golf club, includes a head with a face having a ball-striking surface configured for striking a ball, a body connected to the face, and at least one weight element connected to the body. The head has a total weight that is higher than a target weight of the head, and the at least one weight element is configured to be at least partially removed by a material removal technique to lower the total weight of the head to approximately equal the target weight. The at least one weight element may be integrally connected to the body, such as being integrally formed with at least a portion of the body. The material removal technique may constitute milling, machining, or other material removal techniques or combination of such techniques. | 10-04-2012 |
20120277029 | HOLLOW GOLF CLUB HEAD HAVING SOLE STRESS REDUCING FEATURE - A hollow golf club head incorporating a stress reducing feature including a sole located stress reducing feature. The location and size of the sole stress reducing feature, and their relationship to one another and other club head engineering variables, play a significant role in selectively increasing deflection of the face. | 11-01-2012 |
20120277030 | HOLLOW GOLF CLUB HEAD HAVING CROWN STRESS REDUCING FEATURE - A hollow golf club head incorporating a stress reducing feature including a crown located stress reducing feature. The location and size of the crown stress reducing feature, and their relationship to one another and other club head engineering variables, play a significant role in selectively increasing deflection of the face. | 11-01-2012 |
20120302368 | GOLF CLUB HEAD - A hollow golf club head comprises a main body member provided with a face opening and a sole opening, a face member brazed/soldered to the main body member to close the face opening, and a sole member brazes/soldered/welded to the main body member to close the sole opening. The main body member has a thin front edge part of the sole opening and a thick heat blocking part between the thin front edge part and the face portion. The sole member has a front edge part connected to the sole opening's front edge part and a thicker sole reinforcing part positioned backward thereof. The thicknesses of the sole member's front edge part and the sole opening's front edge part are not less than 0.5 mm and less than 2.5 mm. The thicknesses of the sole reinforcing part and the heat blocking part are 2.5 to 10.0 mm. | 11-29-2012 |
20120309559 | Golf Club Head - A hollow golf club head includes a sole, a crown, a skirt, and a striking face. The golf club includes a junction interconnecting the sole, crown, and skirt to the striking face, the junction including at least one stiffening member. | 12-06-2012 |
20120322577 | GOLF CLUB HEAD - A golf club head having a hollow internal structure, of which a face portion includes, on its internal surface, an intersection portion located in the central portion of the face portion, a C-shaped outer peripheral portion having an opening on the side of a hosel portion, four main ribs extending from the intersection portion up to an outer edge of the face portion, and an intermediate portion located between the intermediate portion and the outer peripheral portion and the hosel portion. The intermediate portion is divided to four areas by the four main ribs. The thicknesses of a toe side area and a heel side area are greater than the thickness of the outer peripheral portion, and the thicknesses of a crown side area and a sole side area are less than the thickness of the outer peripheral portion. | 12-20-2012 |
20120322578 | GOLF CLUB HEAD - This invention discloses a golf club head which has a hollow shell structure and includes a face portion, a sole portion, a crown portion, a back portion, a toe-side side portion, and a heel-side side portion. A ratio R/H×100% is 5% to 20%, where R is the radius of curvature of the upper corner edge on which the face portion and the crown portion intersect with each other, and H is the maximum head height. | 12-20-2012 |
20120322579 | METAL WOOD CLUB WITH IMPROVED MOMENT OF INERTIA - A golf club head having at least two discrete weight members positioned on the sole to optimize moment of inertia is disclosed. A first weight member is located toward and substantially parallel with the face edge of the sole. A second member is located toward the back of the sole and substantially centered between the heel and toe edges of the sole. In one embodiment, a golf club head includes a sole comprising four sections and wherein a rib of material connects two of said sections. In another embodiment, a golf club head includes a cavity formed between the crown and sole and having an opening at the back of the club head. In yet another embodiment, a golf club head is tapered to form a waist and has a back that has a bowed-shape. | 12-20-2012 |
20130012334 | Golf Clubs and Golf Club Heads Having a Configured Shape - Aspects of this disclosure relate to a golf club head which includes a wood type golf club head body including a ball striking face portion at a front side, a rear side, a crown portion, and a sole portion. Further, the sole or crown or rear portion of the club head body may be configured so that the body includes a bump portion which protrudes from the sole or crown or rear portion and an indented portion which recedes into the sole or crown or rear portion and creates a recess in the sole or crown or rear portion of the body. Further, the bump portion and the indented portion may be configured so that a center of gravity of the golf club head body is nearer to one of the heel edge of the body and the toe edge of the body. | 01-10-2013 |
20130029781 | GOLF CLUB WITH SELECTED LENGTH TO WEIGHT RATIO - A golf club can include a shaft and club head. The club can have a selected length to weight ratio based on the length of the shaft and the overall weight of the club. The club head can include one or more areas with selective removal of weight to lighten the club head and/or move weight around in the club head. | 01-31-2013 |
20130029782 | GOLF CLUB HEAD - A golf club head with a hollow comprises a face portion whose front face defines a clubface for hitting a ball, the face portion comprising a central thicker portion provided in a center region thereof and a peripheral thinner portion provided around the central thicker portion and with a thickness smaller than that of the central thicker portion, the inner surface of the peripheral thinner portion comprising a first region and a second region, the first region being provided with a plurality of first grooves which extend straightly in a certain direction, and the second region being provided with a plurality of second grooves which extend straightly in the different direction of first grooves. | 01-31-2013 |
20130029783 | GOLF CLUB HEAD AND METHOD FOR PREDICTING CARRY DISTANCE PERFORMANCE THEREOF - A hollow golf club head has: a moment of inertia Ix around a vertical axis of 4500 to 5900 g sq·cm; and a moment of inertia Iy around an inclined axis of 5300 to 6800 g sq·cm, which satisfy Iy=<1.071 I×Ix+482 g sq·cm. The vertical axis passes through the center of gravity of the head under a standard state in which the head is set on a horizontal plane so that a shaft center line is inclined at a lie angle of 60 degrees with respect to the horizontal plane within a vertical plane and a club face lies at the loft angle. The inclined axis passes through the center of gravity of the head and is inclined downwardly toward the toe from the heel at 62 degrees with respect to the horizontal plane within a plane parallel with the above-mentioned vertical plane. | 01-31-2013 |
20130035178 | GOLF CLUB HEAD WITH HIGH SPECIFIC-GRAVITY MATERIALS - Golf club heads comprising weighted materials that can be added, removed, and moved in order to change the weight and center of gravity of the club. In some instances, the weighted material is a polymer composition comprising metal and having a specific gravity greater than about 4. Also disclosed are methods of modifying the center of gravity of a golf club head and methods of manufacturing golf club heads. | 02-07-2013 |
20130059678 | Golf Club and Golf Club Head Structures - A golf club head has a body defining a ball striking face. The body further has a first leg extending away from the ball striking face and a second leg extending away from the ball striking face wherein a void is defined between the first leg and the second leg. The body further defines a crown that extends over the void. | 03-07-2013 |
20130065705 | GOLF CLUB HEADS WITH WEIGHT REDISTRIBUTION CHANNELS AND RELATED METHODS - Embodiments of golf club heads with weight redistribution channels are described herein. Other examples and related embodiments are also disclosed herein. | 03-14-2013 |
20130079176 | GOLF CLUB HEAD - A golf club head includes a striking face having a face center, a bottom portion, a top portion including an exterior surface, a hosel including an imaginary vertical hosel plane, a forwardmost point, and a rearwardmost point. In an imaginary vertical plane perpendicular to the hosel plane and passing through the face center, the exterior surface includes a path having a first point and a second point rearward of the first point. An imaginary infinite straight line passes through the first point and the second point, but does not penetrate the exterior surface. A segment of the imaginary straight line is delimited by the first point and the second point. A maximum distance between the segment and the exterior surface of the top portion is no greater than | 03-28-2013 |
20130079177 | GOLF CLUB HEAD - A golf club head includes a striking face having a face center, a bottom portion, a top portion including an exterior surface, a hose | 03-28-2013 |
20130085013 | Golf Club and Golf Club Head Structures - A golf club head has a body defining a ball striking face. The body further has a first leg extending away from the ball striking face and a second leg extending away from the ball striking face wherein a void is defined between the first leg and the second leg. The body further defines a crown that extends over the void. | 04-04-2013 |
20130102411 | GOLF CLUB HEAD AND GOLF CLUB - A golf club head ( | 04-25-2013 |
20130102412 | GOLF CLUB HEAD - A golf club having an increased moment of inertia and improved ball-hitting directionality is provided. A metal hollow golf club head comprises: a face portion; a crown portion; and a sole portion, and when the golf club has a lie angle of 60° with its club head volume being within 470 cm | 04-25-2013 |
20130102413 | GOLF CLUB HEAD - An iron-type golf club head is disclosed having a heel portion, a sole portion, a toe portion, a top-line portion, a front portion, a rear portion, and a striking face. A back wall is also disclosed in the rear portion enclosing a portion of the rear portion to create an enclosed cavity. The cavity is defined by at least a rear surface of the striking face, an inner back wall surface, and the sole portion. A plug and a filler material is located within the enclosed cavity. The filler material surrounds the plug and is configured to hold the plug in place. The plug is lighter than the filler material. | 04-25-2013 |
20130102414 | GOLF CLUB WITH OPTIMUM MOMENTS OF INERTIA IN THE VERTICAL AND HOSEL AXES - A hollow golf club is provided having an outer shell and an inner frame. The outer shell comprises one or more lightweight members, such as the crown or the skirt, and preferably fits within an envelope of about 5 inches×5 inches×2.8 inches. The inner frame fits within a smaller envelope and sits on the sole of the club head. One or more weights are located either on or within the inner frame to optimize the moment of inertia of the club head about both the vertical axis running through the center of gravity or geometric center of the club head, hereinafter referred to as the “y-axis,” and the axis running through the center of the shaft of the golf club, hereinafter referred to as the “hosel axis.” The weights can be attached to the inner frame or can be distributed within the inner frame. In another embodiment, the hitting face and a portion of the skirt proximate the toe form a curved blade in the shape of a sickle or battle ax and an inner support bridges the toe end of the curved blade to the hosel for structural support. The ratio of moment of inertia of the club head about the y-axis to moment of inertia of the club head about the hosel axis is preferably 0.55. More preferably, this ratio is 0.75. | 04-25-2013 |
20130109502 | GOLF CLUB HEAD | 05-02-2013 |
20130116065 | GOLF CLUB HEAD AND GOLF CLUB - A golf club head with a hollow portion therein, includes a head main body provided with at least one opening which includes at least a part of a sole portion forming a bottom of the head, a resin member composed of a fiber reinforced resin which is attached to the head main body so as to close the opening, and a reinforcing member across the opening having a specific gravity greater than that of the resin member. | 05-09-2013 |
20130123043 | GOLF CLUB HEADS WITH PROTRUSION WEIGHTS AND RELATED METHODS - Embodiments of club heads with protrusion weights are described herein. Other embodiments and related methods are also disclosed herein. | 05-16-2013 |
20130130830 | Golf Club And Golf Club Head Structures Having Nano Coating - Golf club and golf club head structures having a nano coating are presented. In some examples, the golf club heads may be formed of two or more parts. The two or more parts or portions may be formed of different materials or materials having different weights or densities to manipulate the center of gravity of the club head, overall weight of the club head, etc. The two or more parts of the golf club head may be covered with a nano coating to provide the appearance of a uniform, one-piece golf club head. In some examples, all or substantially all of the golf club head may be covered with the nano coating. | 05-23-2013 |
20130130831 | GOLF CLUB WEIGHT ATTACHMENT MECHANISMS AND RELATED METHODS - Embodiments of golf club weight attachment mechanisms are described herein. Other examples and related methods are also described herein. | 05-23-2013 |
20130130832 | GOLF CLUB WEIGHT ATTACHMENT MECHANISMS AND RELATED METHODS - Embodiments of golf club weight attachment mechanisms are described herein. Other examples and related methods are also described herein. | 05-23-2013 |
20130172103 | GOLF CLUB HEAD - A golf club head includes a body defining an interior cavity. The body includes a sole positioned at a bottom portion of the golf club head, a crown positioned at a top portion, and a skirt positioned around a periphery between the sole and crown. The body has a forward portion and a rearward portion. The club head includes a face positioned at the forward portion of the body. In some embodiments, the crown includes a lattice-like structure having thin regions surrounded by a web of relatively thicker regions. In some embodiments, the club head includes one or more stiffening tubes attached between the sole and the crown to improve the acoustic performance of the golf club head. | 07-04-2013 |
20130184100 | GOLF CLUB HEAD HAVING A STRESS REDUCING FEATURE AND SHAFT CONNECTION SYSTEM SOCKET - A golf club incorporating a stress reducing feature in contact with a shaft connection system socket. The location and size of the stress reducing feature and the shaft connection system socket, and their relationship to one another, selectively increase deflection of the face and maintain stability of the shaft connection system. | 07-18-2013 |
20130210543 | GOLF CLUB HEAD - A golf club head is manufactured so as to be at least partially composed of martensitic stainless steel and to have an exterior surface. At least one chromium layer is deposited on at least a portion of the exterior surface of the golf club head. At least one outer layer is deposited by physical vapor deposition on at least a portion of the at least one chromium layer, the outer layer including a metal and a nonmetal. | 08-15-2013 |
20130217514 | GOLF CLUB HEAD - A hollow golf club head comprises a face portion with a face for hitting a ball on its front and a crown portion forming a top surface of the head, wherein the head comprises a face member including the face portion and made of a metallic material and a crown member attached to the face member to form the crown portion at least partially, the crown member includes a first member made of a metal material and a second member made of a fiber reinforced resin for supporting the first member so that the first member does not directly contact with the face member, the head has a primary natural frequency of from 3800 to 6500 Hz and an antinode when the head vibrates in the primary natural mode appears in the first member. | 08-22-2013 |
20130252759 | METAL WOOD CLUB WITH IMPROVED MOMENT OF INERTIA - A more efficient triangular shape for metal wood clubs or driver clubs is disclosed. This triangular shape allows the clubs to have higher rotational moments of inertia in both the vertical and horizontal directions, and a lower center of gravity. | 09-26-2013 |
20130274031 | GOLF CLUB HEAD - A high forgiveness wood-type golf club head comprises a body and a face. The body defines an interior cavity and comprises a sole that forms a bottom portion of the golf club head, a crown that forms a top portion of the golf club head and a skirt that forms a periphery of the golf club head between the sole and the crown. The face place is positioned at a front portion of the golf club head opposite a rear portion of the golf club head. The body defines an outer periphery having a generally triangular shape in plan. | 10-17-2013 |
20130281228 | GOLF CLUB HEAD - A hollow golf club head includes a sole, a crown, a skirt, and a striking face. The golf club includes a junction interconnecting the sole, crown, and skirt to the striking face, the junction including at least one stiffening member. | 10-24-2013 |
20130303306 | GOLF CLUB WITH IMPROVED PERFORMANCE CHARACTERISTICS - A metal wood type golf club with improved performance characteristics is disclosed herein where the metal wood type golf club head will combined the performance characteristics of both a driver type golf club head and a fairway type golf club head. More specifically, the present invention relates to a golf club head with a volume of between about 150 cc to about 360 cc, a CG location between about 10 mm to about 20 mm above the ground, a face depth of between about 30 millimeters (mm) to about 65 millimeters (mm), a loft of about between 10 degrees to about 16 degrees, and a COR of about 0.790 to about 0.830, wherein the entire golf club has a length of between about 41 inches to about 45 inches. | 11-14-2013 |
20130310193 | FAIRWAY WOOD GOLF CLUB HEAD - A fairway wood golf club characterized by a long blade length with a long heel blade length section, while maintaining a small club moment arm, as well as a high ratio of the heel blade length section to the club head front-to-back dimension, a low ratio of the club moment arm to the heel blade length section, or a low center of gravity height, and all the benefits afforded therefrom. | 11-21-2013 |
20130310194 | HOLLOW GOLF CLUB HEAD HAVING SOLE STRESS REDUCING FEATURE - A hollow golf club head incorporating a stress reducing feature including a sole located stress reducing feature. The location and size of the sole stress reducing feature, and their relationship to one another and other club head engineering variables, play a significant role in selectively influencing deflection of the face. | 11-21-2013 |
20130316848 | GOLF CLUB HEAD HAVING A SHIELDED STRESS REDUCING FEATURE - A hollow golf club incorporating a stress reducing feature having a shield serving to lessen the visual impact of the stress reducing feature, reduce the likelihood of debris from entering the stress reducing feature, and reduce the likelihood of damage to the stress reducing feature, while adding rigidity to a portion of the stress reducing feature and still allowing the stress reducing feature to selectively increase the deflection of the face. | 11-28-2013 |
20130324305 | GOLF CLUB HEAD AND METHOD FOR MANUFACTURING THE SAME - A golf club head comprises a metal member made of at least one kind of metal material and a resin member made of a resin material welded to the metal member. A method for manufacturing the golf club head comprises a step of welding the resin member to the metal member. | 12-05-2013 |
20130324306 | GOLF CLUB AND GOLF CLUB HEAD WITH A SOLE CAVITY FEATURE - A golf club includes a shaft and a club head for a metal wood type club. The club head includes a ball striking face, a heel, a toe, a rear, a crown and a sole. The sole includes a forward sole surface and a rearward sole surface. The substantially horizontally-oriented forward sole surface extends rearwardly from the ball striking face to a rearward edge. The substantially horizontally-oriented rearward sole surface extends forwardly from the rear of the club head. The rearward sole surface extends over and is offset in a height direction from the rearward edge. A cavity may be located above the forward sole surface, the cavity having a rearward facing opening located below the rearward sole surface. A projection may extend rearwardly from the rearward edge beneath the rearward sole surface, the projection having sides that extend in a generally breadthwise direction. | 12-05-2013 |
20130324307 | GOLF CLUB AND GOLF CLUB HEAD WITH A CROWN RECESSED FEATURE - A golf club includes a shaft and a club head. The club head includes a ball striking face, a heel, a toe, a rear, and a crown. The crown may include a substantially horizontally-oriented forward crown region extending rearwardly from the ball striking face. The crown further may include a primary recessed feature located rearward of the forward crown region and extending from the heel to the toe of the club head. The recessed feature may have a floor and a front wall extending upward from the floor to the forward crown region. The crown may further include a substantially horizontally-oriented rearward crown region extending forwardly from the rear of the club head. The recessed feature may be located between the forward crown region and the rearward crown region. A back wall of the recessed feature may extend upward from the floor to the rearward crown region. | 12-05-2013 |
20130331203 | GOLF CLUB HEAD - A hollow golf club head includes a face portion, a sole portion, a side portion, a crown portion, and a hozel portion. A main portion of the crown portion is made of a fiber reinforced resin. The fiber reinforced resin portion includes a bulk molding compound (BMC) molded body. At least the face portion, a leading edge of the crown portion continuous with the face portion, and a center portion of the sole portion in a toe-heel direction are made of a metal. Alternatively to this configuration, the face portion may be provided with a metal faceplate, a portion subsequent to the face portion may include a BMC molded body, and a rear portion of the crown portion may include a molded laminate of prepreg sheets. The height of center of gravity may be 24 mm or less. | 12-12-2013 |
20130344987 | HOLLOW GOLF CLUB HEAD AND METHOD OF MANUFACTURING THE SAME - This invention provides a hollow golf club head including a metal plate portion provided with thin and thick portions. A medium thick portion having an intermediate thickness between the thicknesses of the thin and thick portions is formed at the boundary portion between the thin and thick portions. The thin and medium thick portions are formed by the steps of pressing the metal plate portion to form a recess in one surface of the metal plate portion and a projection on its other surface, performing chemical milling of the recess and a portion surrounding it, and removing the projection by grinding. | 12-26-2013 |
20140018185 | GOLF CLUB HEAD - A hollow golf club head comprises a head main body made of a metallic material and having a bottom portion including a first portion and a second portion being connected with the first portion having difference in level, and at least one weight member having a specific gravity larger than that of the head main body and attached to the second portion of the head main body. | 01-16-2014 |
20140038748 | Fairway Wood-Type Golf Clubs with High Moment of Inertia - Fairway wood-type golf clubs as described herein may include: (a) a club head with a volume of at least 300 cc; (b) a shaft member attached to the club head, wherein the golf club has a length between 37 and 43 inches; and (c) a grip or handle member attached to the shaft member. The club head may further include: (1) a ball striking face, wherein the ball striking face has a loft angle between 12 and 32 degrees; and (2) a club head body engaged or integrally formed with the ball striking face, with a sole portion that includes a ground-engaging surface. | 02-06-2014 |
20140038749 | METHOD FOR MANUFACTURING AND GOLF CLUB HEAD - A method for forming a golf club head comprises placing an uncured composite material between a core and a mold that comprises a first piece and a second piece. The second piece is moved towards the first piece such that the uncured composite material is compressed between the core and at least a portion of the mold. The uncured composite material is heated. A first portion of the golf club head is removed from the mold. A second portion of the golf club head is provided. The first portion is attached to the second portion. In certain arrangements, the second portion is formed from a metallic material. | 02-06-2014 |
20140045609 | GOLF CLUB HEAD - A golf club head comprises a loft angle no less than 18°, a striking face, a sole portion, and a top portion having an exterior surface. In an imaginary vertical plane spaced from a face center by no more than 10 mm and perpendicular to an imaginary striking face plane, an imaginary line segment has a length of 25 mm, a first endpoint located in the imaginary striking face plane, a second endpoint located above the exterior surface, and forms an angle θ with the striking face plane between 55° and 65°. The line segment is tangent to the exterior surface at a first point. A second point is located on the imaginary line segment and spaced from the first point by no less than 1 mm. The second point is spaced from the exterior surface by a gap distance that is no greater than 0.15 mm. | 02-13-2014 |
20140045610 | GOLF CLUB HEAD WITH IMPROVED AERODYNAMIC CHARACTERISTICS - A driver type golf club head comprising a body having a face, a crown and a sole, wherein the highest point of the crown surface is located within a crown apex zone, and the club head has a depth, the depth being at least twice the length as a height of the club head, wherein the depth is at least 4.600 inches. | 02-13-2014 |
20140045611 | GOLF CLUB HEADS WITH WEIGHT REDISTRIBUTION CHANNELS AND RELATED METHODS - Embodiments of golf club heads with weight redistribution channels are described herein. Other examples and related embodiments are also disclosed herein. | 02-13-2014 |
20140051528 | STRIKING FACE OF A GOLF CLUB HEAD - A golf club head with improved striking face performance is disclosed herein. More specifically, the present invention discloses a golf club head having a thickened central region surrounded by an internal and an external transition region; wherein the thickened central region has an inner perimeter that takes on a shape that substantially resembles the shape of an outer perimeter of the striking face of the golf club head. | 02-20-2014 |
20140051529 | FAIRWAY WOOD GOLF CLUB HEAD - A fairway wood golf club characterized by a long blade length, a small club moment arm, and a large transfer distance thereby producing a relatively small CG angle and a relatively high face closing moment of inertia, and all the benefits afforded therefrom. | 02-20-2014 |
20140057737 | GOLF CLUB HEADS WITH APERTURES AND METHODS TO MANUFACTURE GOLF CLUB HEADS - Embodiments of golf club heads with apertures and methods to manufacture golf club heads are generally described herein. Other embodiments may be described and claimed. | 02-27-2014 |
20140057738 | HOLLOW GOLF CLUB HEAD HAVING CROWN STRESS REDUCING FEATURE - A hollow golf club head incorporating a stress reducing feature including a crown located stress reducing feature. The location and size of the crown stress reducing feature, and their relationship to one another and other club head engineering variables, play a significant role in selectively increasing deflection of the face. | 02-27-2014 |
20140080634 | GOLF CLUB HEAD WITH FLEXURE - A golf club head including a crown, a sole, a hosel, a face and a flexure. The golf club head includes a multi-material construction including a face member, a midsection and an aft member that allows optimization of the mass distribution of the golf club head. The flexure provides compliance during an impact between the golf club head and a golf ball. | 03-20-2014 |
20140113744 | GOLF CLUB HEAD - A golf club head includes a striking face having a face center, a bottom portion, a top portion including an exterior surface, a hosel including an imaginary vertical hosel plane, a forwardmost point, and a rearwardmost point. In an imaginary vertical plane perpendicular to the hosel plane and passing through the face center, the exterior surface includes a path having a first point and a second point rearward of the first point. An imaginary infinite straight line passes through the first point and the second point, but does not penetrate the exterior surface. A segment of the imaginary straight line is delimited by the first point and the second point. A maximum distance between the segment and the exterior surface of the top portion is no greater than 0.70 mm and a distance between the first point and the second point is no less than 22 mm. | 04-24-2014 |
20140128178 | GOLF CLUB WITH OPTIMUM MOMENTS OF INERTIA IN THE VERTICAL AND HOSEL AXIS - A hollow golf club is provided having an outer shell and an inner frame. The outer shell comprises one or more lightweight members, such as the crown or the skirt, and preferably fits within an envelope of about 5 inches×5 inches×2.8 inches. The inner frame fits within a smaller envelope and sits on the sole of the club head. One or more weights are located either on or within the inner frame to optimize the moment of inertia of the club head about both the vertical axis running through the center of gravity or geometric center of the club head, hereinafter referred to as the “y-axis,” and the axis running through the center of the shaft of the golf club, hereinafter referred to as the “hosel axis.” The weights can be attached to the inner frame or can be distributed within the inner frame. In another embodiment, the hitting face and a portion of the skirt proximate the toe form a curved blade in the shape of a sickle or battle ax and an inner support bridges the toe end of the curved blade to the hosel for structural support. The ratio of moment of inertia of the club head about the y-axis to moment of inertia of the club head about the hosel axis is preferably 0.55. More preferably, this ratio is 0.75. | 05-08-2014 |
20140141904 | Mid-Density Materials for Golf Applications - The golf club head has a body comprising a crown portion, a sole portion, a toe portion, heel portion, hosel portion, rear portion, and a front portion including a striking face. At least one or more portions of the body of the golf club head is made out of at least one or more mid-density materials. The at least one mid-density material or composite of mid-density materials have a density within a range from about 4.5 g/cm | 05-22-2014 |
20140155193 | GOLF CLUB HEAD - A golf club head includes: a face portion; a crown portion, furrows being formed on an interior surface of at least a part of the crown part in a mesh-like pattern; a side portion; a sole portion, at least a front part of the sole portion being made of metal, and furrows being formed on an interior surface of at least a part of the front part in a mesh-like pattern; and a hosel portion. | 06-05-2014 |
20140155194 | GOLF CLUB HEAD - Disclosed herein are various embodiments of a golf club head having improved mass distribution characteristics. The golf club head includes a body and a face positioned at a forward portion of the body. The golf club head also includes one or more mass elements positioned at predetermined locations about the head. The mass elements assist in achieving a desired relationship between the moment of inertia about a center of gravity x-axis and the moment of inertia about a center of gravity z-axis. | 06-05-2014 |
20140213389 | GOLF CLUB HEAD AND MANUFACTURING METHOD FOR SAME - The present invention provides a golf club head that enables increasing the moment of inertia while also improving durability, and a manufacturing method for the same. The golf club head of the present invention includes a crown portion. The crown portion has a first region having a first thickness and multiple second regions having a second thickness that is smaller than the first thickness. The second regions are distributed in a radiating fashion so as to extend from an origin toward a peripheral portion of the crown portion excluding the face side, the origin being located within 15 mm of the center of gravity of the golf club head in the toe-heel direction and also being located in the vicinity of the face side in the face-back direction in a plan view. | 07-31-2014 |
20140213390 | ADVANCED HYBRID IRON TYPE GOLF CLUB - The present invention is a unique advanced hybrid iron type golf club. The club is characterized by a long heel blade length section, while having a small club moment arm, Zcg, and volume. The golf club incorporates the discovery of unique relationships among key club head engineering variables. | 07-31-2014 |
20140243111 | GOLF CLUB HEAD - A golf club ( | 08-28-2014 |
20140256466 | GOLF CLUB HEAD WITH IMPROVED PERFORMANCE - A golf club head with an improved sweet spot, defined as a portion of the striking face that has at least 99.7% of the maximum ballspeed is disclosed herein. More specifically, the present invention discloses a golf club head with a significantly circular sweet spot that encompasses at least about 1.5% of the total striking face. A golf club head in accordance with the present invention may generally have a improved face geometry with an elliptical factor of greater than about 0.5, a beveled transition portion around the striking face of the golf club head, a variable face thickness region with decreases thickness, or even a tilted bulge and roll radius all helping improve the performance of the golf club head. | 09-11-2014 |
20140274460 | GOLF CLUB HEADS WITH OPTIMIZED CHARACTERISTICS AND RELATED METHODS - Embodiments of golf club heads with optimized characteristics presented herein. Other examples and related methods are also disclosed herein. | 09-18-2014 |
20140274461 | GOLF CLUB HEADS WITH OPTIMIZED CHARACTERISTICS AND RELATED METHODS - Embodiments of golf club heads with optimized characteristics presented herein. Other examples and related methods are also disclosed herein. | 09-18-2014 |
20140274462 | Golf Club Head Structures Having Split, Multi-Part Heads - Golf club heads include at least one part having a side wall extending completely around the golf club head, wherein the side wall ends at an edge (a free end) that defines an open side of the part. An interior surface of this side wall has a draft angle of −1° or more as it extends to its edge. In some club heads, the interior surface of at least one club head part will be shaped so that the interior surface does not converge as the side wall of that part extends to its edge. For some club head parts, the planar cross sectional area defined inside the interior surface of the part will either stay the same or get larger as one moves to the part edge. By avoiding or limiting features of negative draft angles, converging interior surfaces, and/or smaller cross sectional areas on interior surfaces of a part, manufacturing and tooling may be simplified. | 09-18-2014 |
20140274463 | METAL WOOD CLUB WITH IMPROVED MOMENT OF INERTIA - A more efficient triangular shape for metal wood clubs or driver clubs is disclosed. This triangular shape allows the clubs to have higher rotational moments of inertia in both the vertical and horizontal directions, and a lower center of gravity. | 09-18-2014 |
20140295992 | GOLF CLUB HEAD WITH A BODY-CONFORMING WEIGHT MEMBER - A golf club head includes a main body having a top portion, a bottom portion, a striking face, and an interior surface. A weight member is coupled to the interior surface of the main body. In an imaginary vertical plane that passes through the weight member, the interior surface of the main body comprises a first point and a second point. An imaginary line passes through the first point and the second point. A first imaginary boundary line and a second imaginary boundary line, both passing through the weight member and being perpendicular to the imaginary line, pass through the first point and the second point, respectively. Between the first point and the second point, the interior surface of the main body has an irregularity factor of at least 1.2 and the weight member comprises a distribution factor of at most 1.0 and a conformity factor of at most 0.07. | 10-02-2014 |
20140302946 | GOLF CLUB HEAD - An exemplary golf club head having an increased amount of discretionary mass may be realized by utilizing improved drop angles, an improved average crown height, and/or articulation points. The discretionary mass may be placed low and deep in the club head to improve the location of the center of gravity as well as the inertial properties. A preferred break length may also be utilized to further improve the depth of the center of gravity. In one example, the center of gravity may be positioned to substantially align the sweet spot with the face center of the club head. | 10-09-2014 |
20140342847 | GOLF CLUB HEAD WITH CHANNEL AND STABILIZING STRUCTURE - The invention generally relates to a golf club with a channel area. The channel area includes a groove disposed alongside a ramp having a shallow slope with respect to the horizontal when the club head is at address. The channel area may extend across a portion of the club head such as the crown or the sole. The ramp is oriented such that, during a high speed drive, the ramped portion of the sole may distribute and neutralize torsional stresses, dampening unwanted and unpredictable twisting, preventing the ball from flying in unpredictable directions while the deeper groove contributes to a high coefficient of restitution of a ball-striking face, a large sweet spot area, or both, thus causing the ball to fly a long distance. | 11-20-2014 |
20140342848 | GOLF CLUB HEAD HAVING A STRESS REDUCING FEATURE - A hollow golf club incorporating a stress reducing feature including at least a toe located stress reducing feature or a heel located stress reducing feature at least partially located on the skirt of the golf club head. The location and size of the stress reducing feature and their relationship to one another play a significant role in selectively increasing deflection of the face. | 11-20-2014 |
20140349780 | GOLF CLUB HEADS WITH SLIT FEATURES AND RELATED METHODS - Golf club heads with slit features are described herein. Other embodiments and related methods are also disclosed herein. | 11-27-2014 |
20140371002 | GOLF CLUB HEAD HAVING A STRESS REDUCING FEATURE WITH APERTURE - A golf club incorporating a stress reducing feature including an aperture located on the crown or sole of the club head. The location and size of the stress reducing feature and aperture, and their relationship to one another, play a significant role in selectively increasing deflection of the face. | 12-18-2014 |
20150031473 | Sole with a Shaft Adjusting Hole for a Gold Club Head - A sole with a shaft adjusting hole for a golf club head includes a recessed portion adjacent to a striking portion and a root of the gold club head. The recessed portion includes a shaft adjusting hole. The sole of the golf club head is a plate separate from the striking portion and a crown of the golf club head. The shaft adjusting hole includes a bottom wall and a peripheral wall extending upward from the bottom wall. The peripheral wall includes a plurality of inclined plane faces. | 01-29-2015 |
20150038261 | Golf Club Head Or Other Ball Striking Device Having Impact-Influencing Body Features - A ball striking device, such as a golf club, includes a head with a face having an outer surface configured for striking a ball, a body connected to the face, an elongated, inwardly recessed channel located on the body and extending across a portion of the body, and an insert mounted within the channel. The insert includes a resiliently deflectable base member that engages the channel to retain the insert within the channel and a rigid outer member connected to the base member and forming at least a portion of the outer surface of the insert, where the outer member is made from a different material than the base member. Additionally, the insert has an outer surface that is substantially flush with at least one immediately adjacent surface of the body. | 02-05-2015 |
20150038262 | GOLF CLUB HEAD HAVING A COMPOSITE CROWN - A golf club head having a high COR that is durable and has desirable acoustic qualities. The club head includes a body portion, a striking face and a crown forming a hollow cavity of at least 150 cc in volume. The body portion defines a front opening and an upper opening, and it includes a sole and a side section that extends rearward of the front opening. The striking plate is secured to the body portion, enclosing the front opening. While partially assembled, final weighting and/or other attachment of other members to the inner surface of the club head can be preformed, as desired. The crown is secured to the body portion, enclosing the upper opening. A surface veil may also be provided about a junction of the crown and body. The crown has a maximum thickness no greater than about 2 mm. The density of the crown is less than the density of the body portion. At least one of the striking plate and the crown is attached to the second portion by adhesive bonding, and the golf club head has a maximum coefficient of restitution of at least 0.80. | 02-05-2015 |
20150045147 | GOLF CLUB HEAD - A hollow golf club head has a crown portion extending from a face portion and configured so as to generate good ball hitting sound. The crown portion is provided with a first region having a first thickness, a second region having a second thickness and a third region having a third thickness, wherein the third thickness is less than the second thickness which is less than the first thickness. The first region is disposed in a face portion side of the crown portion and extending in the toe-heel direction. The third region is disposed backward of the first region. The second region surrounds the third region. | 02-12-2015 |
20150057102 | STRUCTURAL RESPONSE MODIFYING FEATURES OF A GOLF CLUB HEAD - A hollow golf club head having face end and tail ends, a strike face at the face end, a crown, a sole, and a structural response modifying constraining member having first and second ends, the second being forward of the first and spaced from the strike face, the constraining member extending vertically and in contact with the sole and the crown at its first and second ends, and extending horizontally distance that is substantially less than the sole length, when the club head is in address position. | 02-26-2015 |
20150072803 | GOLF CLUB HEAD WITH VARIABLE THICKNESS FACE TO BODY TRANSITION - A golf club having variable face to body transition is disclosed herein. More specifically, the present invention relates to a golf club head having an indented transition region that helps facilitate the transition of thickness variation from the striking face to a rear aft body. The indented transition region may be located on the crown, the skirt, or the sole, and achieves improved performance by achieving an increased thickness reduction slope. | 03-12-2015 |
20150072804 | IRON GOLF CLUB HEAD AND IRON GOLF CLUB - In an iron golf club head with a face portion and a neck portion integrally molded by forging, the iron golf club head is made of an iron steel material at least containing 0.30% by weight or less of carbon and 0.0005% by weight to 0.003% by weight of boron. The face portion has been subjected to quenching processing. | 03-12-2015 |
20150141164 | Golf Club Heads Including A Polymeric Body In Which A Part Of A Frame Or Base Member Is Embedded - Wood-type golf clubs and/or golf club heads include: (a) a golf club head base member including a face member having a ball striking face; and (b) a polymeric body member engaged with the golf club head base member, wherein the polymeric body member is formed via a rotational molding process (or other centrifugal force inducing molding process) and/or engaged with the golf club head base member via a rotational molding process (or other centrifugal force inducing molding process). The polymeric body member forms at least a portion of a crown member of the club head in some structures. | 05-21-2015 |
20150148148 | Golf Club Weight Attachment Mechanisms and Related Methods - Embodiments of golf club weight attachment mechanisms are described herein. In some embodiments, a golf club head comprises a head body with an interior cavity, a shell portion, and a bracket with a weight member coupled to the bracket. In one embodiment, the bracket and the weight member can be configured to be fully contained within the interior cavity. Other examples and related methods are also described herein. | 05-28-2015 |
20150321054 | GOLF CLUB WITH MULTI-COMPONENT CONSTRUCTION - A golf club head with multi-component construction. The golf club head includes heel and toe portions that generally provide ground contacting surfaces and a raised central region. A portion of a club head wall is spaced away from a second portion of the club head wall by a less than about 2 cm. | 11-12-2015 |
20150335964 | GOLF CLUB HEAD STRUCTURES HAVING SPLIT, MULTI-PART HEADS - Golf club heads include at least one part having a side wall extending completely around the golf club head, wherein the side wall ends at an edge (a free end) that defines an open side of the part. An interior surface of this side wall has a draft angle of −1° or more as it extends to its edge. In some club heads, the interior surface of at least one club head part will be shaped so that the interior surface does not converge as the side wall of that part extends to its edge. For some club head parts, the planar cross sectional area defined inside the interior surface of the part will either stay the same or get larger as one moves to the part edge. By avoiding or limiting features of negative draft angles, converging interior surfaces, and/or smaller cross sectional areas on interior surfaces of a part, manufacturing and tooling may be simplified. | 11-26-2015 |
20150360096 | GOLF CLUB HEADS WITH OPTIMIZED CHARACTERISTICS AND RELATED METHODS - Embodiments of golf club heads with optimized characteristics presented herein. Other examples and related methods are also disclosed herein. | 12-17-2015 |
20150360097 | GOLF CLUB HEADS WITH OPTIMIZED CHARACTERISTICS AND RELATED METHODS - Embodiments of golf club heads with optimized characteristics presented herein. Other examples and related methods are also disclosed herein. | 12-17-2015 |
20160001144 | GOLF CLUB HEAD | 01-07-2016 |
20160008679 | WOOD GOLF CLUB HEAD | 01-14-2016 |
20160008680 | GOLF CLUB HEAD WITH CHANNEL AND STABILIZING STRUCTURE | 01-14-2016 |
20160008683 | GOLF CLUB HEAD | 01-14-2016 |
20160016054 | GOLF CLUB HEAD HAVING A STRESS REDUCING FEATURE WITH APERTURE - A golf club incorporating a stress reducing feature including an aperture located on the crown or sole of the club head. The location and size of the stress reducing feature and aperture, and their relationship to one another, play a significant role in selectively improving the performance of the golf club head. | 01-21-2016 |
20160051868 | GOLF CLUB HEAD HAVING A MULTI-MATERIAL FACE - A golf club with a multi-material face is disclosed herein. More specifically, the golf club head in accordance with the present invention has a striking face that forms a pocket, wherein the pocket is filled with a secondary material having a lower density to improve the performance of the golf club head. The multi-material face disclosed in accordance with the present invention may generally have an inter laminar shear strength of greater than about 60 MPa, most preferably greater than about 60 MPa and less than about 145 MPa. | 02-25-2016 |
20160107048 | METAL WOOD CLUB - A golf club head is provided having a body and a face, with a slot in a perimeter region of the body of the club head adjacent the face. The slot increases the flex of the hitting surface on impact with a golf ball, thereby increasing the speed with which the ball rebounds off the hitting face and increases the overall distance the ball is hit. The slot preferably moves the sweet spot of the hitting face a distance X from the face center of the hitting face. The slot may be filled with an insert. | 04-21-2016 |
20160114226 | GOLF CLUB HEAD - A metalwood golf club head comprising a locally raised crown peak, wherein said crown peak defined as the highest point on an outer surface of the crown when the golf club head is grounded at prescribed lie and loft, a crown peak plane parallel to the ground plane, the crown peak plane passing through the crown peak, a crown cutoff plane parallel to the crown peak plane, the crown cutoff plane offset downwards towards said ground plane 5 mm along said y-axis from said crown peak plane, an upper crown portion located above said crown cutoff plane and defined by said crown cutoff plane and said outer surface of said crown, wherein a volume of said upper crown portion is greater than 2 cm | 04-28-2016 |
20160114229 | GOLF CLUB HEADS WITH ENERGY STORAGE CHARACTERISTICS - Embodiments of golf club heads with energy storage characteristics are presented herein. In some embodiments, a golf club head comprises a hollow body comprising a strikeface, a heel region, a toe region opposite the heel region, a sole, and a crown. In many embodiments, the crown comprises an upper region comprising a top rail and a lower region. In some embodiments, a cavity is located below the top rail, is located above the lower region of the crown, and is defined at least in part by the upper and lower regions of the crown. The cavity comprises a top wall, a back wall, a bottom incline, a back cavity angle measured between the top and back walls of the cavity and at least one channel. | 04-28-2016 |
20160129319 | GOLF CLUB HEAD WITH FLEXURE - A golf club head including a crown, a sole, a hosel, a face and a flexure. The flexure provides compliance during an impact between the golf club head and a golf ball, and is tuned to vibrate, immediately after impact, at a predetermined frequency. A slot is included in a portion of the golf club head and works with the flexure to further tune performance. | 05-12-2016 |
20160151687 | Golf Club Heads or Other Ball Striking Devices Having Distributed Impact Response | 06-02-2016 |
20160158609 | GOLF CLUB HEAD - A golf club head having a face part, a sole part, a side part, a crown part and a hosel part, all of which surround a hollow part comprises a penetration hole that is provided on the crown part, penetrating the crown part so that the hollow part is connected with an outer atmosphere of the golf club head and a non-metal cover that is provided over the penetration hole. A recess part, which forms a recess, is provided on a surface of the non-metal cover. | 06-09-2016 |
20160184664 | GOLF CLUB HEAD - A golf club head including a face portion having an improved restitution factor is provided. The golf club head has a hollow structure and includes a face portion, a crown portion, a sole portion, and a side portion. The crown portion includes a first region that spreads out forward of a boundary line that extends from a heel side to a toe side, and a second region that spreads out rearward of the boundary line and is thinner than the first region. The crown portion further includes a protruding portion formed at position that is in a vicinity of the boundary line, is on the second region, and is rearward of the boundary line via a gap. | 06-30-2016 |
20160184667 | MULTI-ZONE GOLF CLUB HEADS - A golf club head with low and high density zones designed to provide specific densities for use in various parts of the club head to achieve maximum volume and properties within specific weight goals. The low and high density zones may be formed from laminates having different equivalent densities than the layers used to form the laminates. | 06-30-2016 |
20160193509 | Low Profile Driver Type Golf Club Head | 07-07-2016 |
20160375322 | GOLF CLUB HEAD AND MANUFACTURING METHOD FOR SAME - The present invention provides a golf club head that enables increasing the moment of inertia while also improving durability, and a manufacturing method for the same. The golf club head of the present invention includes a crown portion. The crown portion has a first region having a first thickness and multiple second regions having a second thickness that is smaller than the first thickness. The second regions are distributed in a radiating fashion so as to extend from an origin toward a peripheral portion of the crown portion excluding the face side, the origin being located within 15 mm of the center of gravity of the golf club head in the toe-heel direction and also being located in the vicinity of the face side in the face-back direction in a plan view. | 12-29-2016 |
20160375323 | CG Height Adjustability By Conformal Weighting - A golf club head comprising a conformal weight sized to fit within a recess or channel disposed in a crown or sole is disclosed herein. In some embodiments, the crown or sole itself is a conformal weight, and is removably affixed to a base structure comprising a striking face and a skeletal support structure. In other embodiments, the golf club head comprises a conformal weight in the form of a sole cap that is removably affixed to the golf club head and covers small weight ports disposed in the sole. | 12-29-2016 |
20160375324 | GOLF CLUB HEADS AND METHODS TO MANUFACTURE GOLF CLUB HEADS - Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a body portion with a toe portion, a heel portion, a top portion, a sole portion, a back portion, and a front portion. The golf club head may include an interior cavity. The interior cavity may be filled with an elastic polymer material. Other examples and embodiments may be described and claimed. | 12-29-2016 |
20170232312 | GOLF CLUB HEADS WITH OPTIMIZED CHARACTERISTICS AND RELATED METHODS | 08-17-2017 |
20170232313 | ADVANCED HYBRID IRON TYPE GOLF CLUB | 08-17-2017 |
20180021640 | GOLF CLUB HEADS AND METHODS TO MANUFACTURE GOLF CLUB HEADS | 01-25-2018 |