SRI SPORTS LIMITED Patent applications |
Patent application number | Title | Published |
20140315657 | 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. | 10-23-2014 |
20140310946 | METHOD FOR SURFACE TREATING A GOLF CLUB HEAD - A method for surface treating a golf club head, includes: (a) forming a depression unit in the golf club head, the depression unit being indented inwardly from an outer surface of the golf club head, the outer surface being divided into a working area and a non-working area, the depression unit being formed in the working area; (b) filling the depression unit with a shielding material and covering the non-working area with a covering material; and (c) sandblasting the golf club head after step (b) and removing subsequently the shielding material from the depression unit and the covering material from the non-working area so as to form the working area into sandblasted and non-sandblasted regions that differ in gloss intensity. | 10-23-2014 |
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 |
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 |
20140206475 | GOLF CLUB HEAD - A golf club head according to one or more aspects of the present invention may include a face portion or strike-face wall comprising a top inner boundary, an intermediate inner boundary, and a bottom inner boundary having a bottom-inner-boundary toe portion and a bottom-inner-boundary heel portion. The strike-face wall may further include a first uniform-thickness region, adjoining the top inner boundary, and a variable-thickness region adjoining the uniform-thickness region and a majority of the bottom inner boundary. In another example, the variable-thickness may adjoin a majority of the top inner boundary and the uniform-thickness region may adjoin a majority of the bottom inner boundary. | 07-24-2014 |
20140196821 | GOLF CLUB COVER HAVING A PULL MEMBER - Various exemplary implementations of the principles described herein provide a cover for a golf club. The golf club may include a head and a shaft, the head having a heel end and a toe end, and the shaft connected at the heel end. The cover may include a toe portion substantially shrouding the toe end of the club head and a heel portion substantially shrouding the heel end of the club head and a first length of the shaft. The cover may include a sleeve portion extending from the heel portion and substantially shrouding a second length of the shaft, the second length being greater than the first length. The sleeve portion may have an opening opposite the heel portion. The cover may include a first pull member on the heel portion. | 07-17-2014 |
20140155192 | GOLF CLUB HEAD - A golf club head has a striking face with a plurality of scorelines including a first scoreline and a second scoreline adjacent thereto. The striking face also has a plurality of auxiliary grooves each spaced from the scorelines. In a first imaginary vertical plane, a first path is formed by a first intersection between the first imaginary vertical plane and the striking face, and the auxiliary grooves have a first concentration no less than 0.17 measured between the first and second scorelines. A second imaginary vertical plane is horizontally spaced from the first imaginary plane. A second path is formed in the second imaginary vertical plane by a second intersection between the second imaginary vertical plane and the striking face. The auxiliary grooves in the second imaginary vertical plane have a second concentration that is different from the first concentration measured between the first and second scorelines. | 06-05-2014 |
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 |
20140053391 | METHOD FOR SURFACE TREATING A GOLF CLUB HEAD - A method for surface treating a golf club head, includes: (a) forming a depression unit in the golf club head, the depression unit being indented inwardly from an outer surface of the golf club head, the outer surface being divided into a working area and a non-working area, the depression unit being formed in the working area; (b) filling the depression unit with a shielding material and covering the non-working area with a covering material; and (c) sandblasting the golf club head after step (b) and removing subsequently the shielding material from the depression unit and the covering material from the non-working area so as to form the working area into sandblasted and non-sandblasted regions that differ in gloss intensity. | 02-27-2014 |
20130331200 | SHAFT FITTING SYSTEM - A method of selecting a preferred golf shaft for a player who uses an existing golf shaft, according to one or more aspects of the present invention, may comprise gathering a plurality of empirical data sets, each data set corresponding to an individual golf shaft selected from a plurality of golf shafts; providing a plurality of specification codes, each associated with an individual empirical data set of the plurality of empirical data sets; from the plurality of specification codes, identifying a first specification code associated with the existing golf shaft; gathering feedback associated with the existing golf shaft from the player; and using the feedback to select, from the plurality of specification codes, a second specification code corresponding to the preferred golf shaft. | 12-12-2013 |
20130324292 | 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. | 12-05-2013 |
20130316847 | GOLF CLUB HEAD - A golf club head according to one or more aspects of the present invention may include a strike face, a rear wall behind the strike face, and a perimeter-weighting element at least partially surrounding the rear wall. The club head may further include a preload spacer associated with the rear wall and a resilient component associated with the perimeter-weighting element. The preload spacer engages the resilient component to provide positive reinforcement of the coupling between the resilient component and the perimeter-weighting element. | 11-28-2013 |
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 |
20130274029 | PUTTER-TYPE GOLF CLUB HEAD - A golf club head according to one or more aspects of the present invention may include a body comprising a front surface, having an opening therein for receiving a primary insert. One or more secondary inserts may be disposed in the primary insert and may include a leading surface and a trailing surface. The trailing surface may be physically exposed to the elements and the leading surface may be physically exposed and/or visually exposed. | 10-17-2013 |
20130252763 | GOLF BALL | 09-26-2013 |
20130244809 | GOLF CLUB HEAD - A golf club may include a front surface, a rear surface having a recess, and an insert at least partially disposed in the recess. The insert may comprise a durometer hardness of less than about 95 Shore A and a cavity having a reinforcement member disposed therein. Preferably, the durometer hardness of the reinforcement member is also less than about 95 Shore A. The insert may further comprise an anterior perimetric boundary having a first length and a posterior perimetric boundary having a second length. The ratio of the first length to the second length may be less than 1 and greater than 0.5. In one example, the insert may have a triangular front profile and a triangular side profile. | 09-19-2013 |
20130217515 | Muscle-Back, with Insert, Iron Type Golf Club Head - A muscle-back iron golf club head includes a blade-like upper mass, a muscle-like lower mass, a planar front surface, a top surface, a sole surface, a heel surface, a toe surface, and a rear surface having a first contour. A recess is in the rear surface, the recess having a first portion in the blade-like upper mass and a second portion in the muscle-like lower mass. An insert may be provided in the recess, and such insert may substantially fill the recess and may include a back surface having a second contour which is different from the first contour of the club head rear surface. | 08-22-2013 |
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 |
20130123041 | 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 of length >3.5 inches, volume 0.300 cm | 05-16-2013 |
20130116064 | Golf Club Head - A golf club head according to one or more aspects of the present invention may include a main cavity having at least one auxiliary cavity and a base surface. An insert may be associated with the base surface and may comprise at least two contact elements, with a bridge member disposed therebetween. Different contact elements of the insert may be disposed in separate respective auxiliary cavities, such that each contact element may be associated with the base surface. The bridge member of the insert may be dissociated from the base surface. Moreover, a surface coating may be selectively applied to the head to permit a durable adhesive bond between the insert and the base surface. | 05-09-2013 |
20130080075 | SHAFT FITTING SYSTEM - A method of selecting a preferred golf shaft for a player who uses an existing golf shaft, according to one or more aspects of the present invention, may comprise gathering a plurality of empirical data sets, each data set corresponding to an individual golf shaft selected from a plurality of golf shafts; providing a plurality of specification codes, each associated with an individual empirical data set of the plurality of empirical data sets; from the plurality of specification codes, identifying a first specification code associated with the existing golf shaft; gathering feedback associated with the existing golf shaft from the player; and using the feedback to select, from the plurality of specification codes, a second specification code corresponding to the preferred golf shaft. | 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 |
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 |
20130065706 | GOLF CLUB HEAD - An approach is provided for coating a golf club head with a material. The approach involves securing a first golf club head component to a second golf club head component using an adhesive, resulting in a golf club head main body having an exterior surface. The approach further includes physical vapor depositing at least one layer on at least a portion of the exterior surface of the golf club head main body at a temperature less than a melting point of the adhesive. | 03-14-2013 |
20130053172 | WEIGHT MEMBER FOR A GOLF CLUB HEAD - A weight member for removable attachment to a weight port of a golf club head is provided. The weight member comprises a head that has a tool mating port for operatively receiving a portion of a fastening tool. The weight member further comprises a shaft that is associated with the head such that the shaft terminates at an end surface. The shaft has a threaded external surface and a non-threaded internal bore that extends from the end surface. | 02-28-2013 |
20130053171 | GOLF CLUB HEAD - A golf club head has a striking face with a plurality of scorelines including a first scoreline and a second scoreline adjacent thereto. The striking face also has a plurality of auxiliary grooves each spaced from the scorelines. In a first imaginary vertical plane, a first path is formed by a first intersection between the first imaginary vertical plane and the striking face, and the auxiliary grooves have a first concentration no less than 0.17 measured between the first and second scorelines. A second imaginary vertical plane is horizontally spaced from the first imaginary plane. A second path is formed in the second imaginary vertical plane by a second intersection between the second imaginary vertical plane and the striking face. The auxiliary grooves in the second imaginary vertical plane have a second concentration that is different from the first concentration measured between the first and second scorelines. | 02-28-2013 |
20130023356 | GOLF CLUB HEAD - A golf club head has a main body including a top portion, a bottom portion opposite the top portion, a striking face, a rear portion opposite the striking face. The striking face has a striking face plane and a striking face outer periphery that is coplanar with the striking face plane. The striking face outer periphery has an outer periphery heel portion, an outer periphery toe portion opposite the outer periphery heel portion, an outer periphery top portion, and an outer periphery bottom portion opposite the outer periphery top portion. The striking face also has a recess extending rearward from the striking face plane, and the recess includes a recess periphery coplanar with the striking face plane. The striking face further has an insert disposed within the recess. The striking face additionally has a minimum periphery width separating the striking face outer periphery and the recess periphery. The periphery width is no greater than 1.25 mm. | 01-24-2013 |
20130017908 | GOLF BALL - An object of the present invention is to provide a golf ball which is excellent in abrasion-resistance and durability. The golf ball of the present invention comprises a cover using a cover composition containing thermoplastic polyurethane (A) and a polyisocyanate mixture (B) in which a urethane prepolymer (b-1a) having at least two isocyanate groups or a polyisocyanate (b-1b) having at least three isocyanate groups is dispersed in a thermoplastic resin (b-2) which does not substantially react with the isocyanate groups. | 01-17-2013 |
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 |
20120304451 | METHOD FOR SURFACE TREATING A GOLF CLUB HEAD - A method for surface treating a golf club head, includes: (a) forming a depression unit in the golf club head, the depression unit being indented inwardly from an outer surface of the golf club head, the outer surface being divided into a working area and a non-working area, the depression unit being formed in the working area; (b) filling the depression unit with a shielding material and covering the non-working area with a covering material; and (c) sandblasting the golf club head after step (b) and removing subsequently the shielding material from the depression unit and the covering material from the non-working area so as to form the working area into sandblasted and non-sandblasted regions that differ in gloss intensity. | 12-06-2012 |
20120295731 | Golf Club - A golf club according to one or more aspects of the present invention may have a mass less than 300 g, a length greater than about 45 inches, a swing weight between D | 11-22-2012 |
20120283038 | Golf Club Head With Improved Mass Distribution - A golf club head having a striking wall having a front surface, and a rear surface, a top surface, and a sole portion extending rearwardly from the rear surface, the sole portion having a forward end, a rearward end, an upper surface and a lower surface. The intersection of the upper surface and the rear surface defines an interior sole line. The intersection of the upper surface and the rearward end defines a trailing edge. The A region on the upper surface includes variation of the height of the trailing edge or exterior sole line relative to the height of the interior sole line. | 11-08-2012 |
20120277035 | METHOD FOR EVALUATING HIT FEELING - The evaluation method includes a first step, by using measurement means M | 11-01-2012 |
20120241341 | SHOCK-ABSORBING GOLF BAG AND STRAP SYSTEM - A shock-absorbing strap assembly for attachment to a load including an inelastic strap having an elongate direction and a widthwise direction and a discrete elastic member having an expandable portion. The elastic member is coupled to the inelastic strap. The inelastic strap is coupled to, and overlaps, the elastic member such that, when the strap assembly is in a relaxed state, the inelastic strap forms at least one slack. The strap assembly further includes a shoulder pad coupled to the inelastic strap and at least partially overlapping the inelastic strap and the elastic member, such that at least a portion of the inelastic strap slidably engages with at least a portion of the shoulder pad when an external tension is applied to the inelastic strap. | 09-27-2012 |
20120238375 | GOLF CLUB HEAD - A golf club head includes a primary component and a secondary component, wherein the secondary component is rotatably or pivotally associated with the rear surface of the primary component. The secondary component is adjustable between a first orientation and a second orientation relative to the primary component such that the golf club head has a first sole contour when the secondary component is in the first orientation and a second sole contour when the secondary component is in the second orientation, the first sole contour being different from the second sole contour. | 09-20-2012 |
20120220390 | GOLF CLUB HEAD - A golf club head according to one or more aspects of the present invention may include a main cavity having at least one auxiliary cavity and a base surface. An insert may be associated with the base surface and may comprise at least two contact elements, with a bridge member disposed therebetween. Different contact elements of the insert may be disposed in separate respective auxiliary cavities, such that each contact element may be associated with the base surface. The bridge member of the insert may be dissociated from the base surface. Moreover, a surface coating may be selectively applied to the head to permit a durable adhesive bond between the insert and the base surface. | 08-30-2012 |
20120214607 | CLUB FITTING SYSTEM - A method of determining a reference lie angle for at least one iron-type golf club custom-fit for a player, according to one or more aspects of the present invention, comprises providing a first hitting surface and a second hitting surface, the first hitting surface being different from the second hitting surface; providing a test club comprising a data acquisition device; directing the player to swing the test club relative to the first hitting surface, whereby initial information is collected by the data acquisition device; determining whether the initial information collected by the data acquisition device satisfies a pre-set condition; if the condition is satisfied, directing the player to swing the test club relative to the second hitting surface, whereby supplemental information is collected by the data acquisition device; and evaluating the supplemental information collected by the data acquisition device to determine the reference lie angle. | 08-23-2012 |
20120196692 | METHOD, APPARATUS, AND SYSTEM FOR GOLF PRODUCT RECONFIGURATION AND SELECTION - A computer program is disclosed for reconfiguring a property-adjustable golf club. The program receives data input corresponding to a current configuration of an adjustable feature of the golf club, and data input corresponding to trajectory adjustment information. Based on the data input, reconfiguration information is generated, and outputted, that corresponds to one of a plurality of configurations of the adjustable feature of the golf club. | 08-02-2012 |
20120172151 | GOLF BALL - An object of the present invention is to provide a golf ball traveling a great distance of a driver shot. The present invention provides a golf ball having a spherical core and at least one cover layer covering the spherical core, wherein the spherical core is formed from a rubber composition containing (a) a base rubber, (b) an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof as a co-crosslinking agent, (c) a crosslinking initiator, (d) a carboxylic acid and/or a salt thereof, and (e) an organic sulfur compound having a naphthalene ring, provided that the rubber composition further contains (e) a metal compound in the case of containing only (b) the α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms as the co-crosslinking agent. | 07-05-2012 |
20120172150 | GOLF BALL - An object of the present invention is to provide a golf ball having a great flight distance on driver shots. The present invention provides a golf ball having a spherical core and at least one cover layer covering the spherical core, wherein when JIS-C hardness, which is measured at nine points obtained by dividing a radius of the spherical core into equal parts having 12.5% intervals therebetween, is plotted against distance (%) from a core center, the spherical core is such that R | 07-05-2012 |
20120172149 | GOLF BALL - An object of the present invention is to provide a golf ball having a low spin rate on driver shots and excellent in flight distance performance. The present invention provides a golf ball having a spherical core and at least one cover layer covering the spherical core, wherein the spherical core is formed from a rubber composition containing (a) a base rubber, (b) an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof as a co-crosslinking agent, (c) a crosslinking initiator, and (d) a salt of a carboxylic acid, provided that the rubber composition further contains (e) a metal compound in the case of containing only (b) the α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms as the co-crosslinking agent. | 07-05-2012 |
20120172144 | GOLF CLUB HEAD | 07-05-2012 |
20120142453 | GOLF BALL - An object of the present invention is to provide a golf ball excellent in flying performance, in particular, to provide a golf ball traveling a great flight distance. The present invention provides a golf ball having a spherical core and at least one cover layer covering the spherical core, wherein the spherical core is formed from a rubber composition containing (a) a base rubber, (b) an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof as a co-crosslinking agent, (c) a crosslinking initiator, and (d) a carboxylic acid, provided that the rubber composition further contains (e) a metal compound in the case of containing only (b) the α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms as the co-crosslinking agent. | 06-07-2012 |
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 |
20120077619 | Muscle-Back, with Insert, Iron Type Golf Club Head - A muscle-back iron golf club head includes a blade-like upper mass, a muscle-like lower mass, a planar front surface, a top surface, a sole surface, a heel surface, a toe surface, and a rear surface having a first contour. A recess is in the rear surface, the recess having a first portion in the blade-like upper mass and a second portion in the muscle-like lower mass. An insert may be provided in the recess, and such insert may substantially fill the recess and may include a back surface having a second contour which is different from the first contour of the club head rear surface. | 03-29-2012 |
20120077618 | Muscle-Back, with Insert, Iron Type Golf Club Head - A muscle-back iron golf club head includes a blade-like upper mass, a muscle-like lower mass, a planar front surface, a top surface, a sole surface, a heel surface, a toe surface, and a rear surface having a first contour. A recess is in the rear surface, the recess having a first portion in the blade-like upper mass and a second portion in the muscle-like lower mass. An insert may be provided in the recess, and such insert may substantially fill the recess and may include a back surface having a second contour which is different from the first contour of the club head rear surface. | 03-29-2012 |
20120071258 | GOLF CLUB - A golf club of the present invention comprises at least one adjusting mechanism. In the golf club, at least two specifications can be adjusted independently of each other. Preferably, a head, a shaft, a grip, or a joined part therebetween has an adjusting mechanism ( | 03-22-2012 |
20120058840 | 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. | 03-08-2012 |
20120034998 | Golf club head with improved mass distribution - A golf club head having a striking wall having a front surface, and a rear surface, a top surface, and a sole portion extending rearwardly from the rear surface, the sole portion having a forward end, a rearward end, an upper surface and a lower surface. The intersection of the upper surface and the rear surface defines an interior sole line. The intersection of the upper surface and the rearward end defines a trailing edge. A region on the upper surface includes variation of the height of the trailing edge or exterior sole line relative to the height of the interior sole. | 02-09-2012 |
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 |
20110300959 | GOLF CLUB FITTING METHOD, DEVICE THEREOF, AND ANALYSIS METHOD - The analysis method includes steps of acquiring measurement data obtained from swings and values of hitting results (flight distance or the like) (STEP | 12-08-2011 |
20110237347 | GOLF CLUB HEAD - A golf club head according to one or more aspects of the present invention may include a strike face, a rear wall behind the strike face, and a perimeter-weighting element at least partially surrounding the rear wall. The club head may further include a preload spacer associated with the rear wall and a resilient component associated with the perimeter-weighting element. The preload spacer engages the resilient component to provide positive reinforcement of the coupling between the resilient component and the perimeter-weighting element. | 09-29-2011 |
20110212791 | DIAGNOSING METHOD OF GOLF SWING AND SILHOUETTE EXTRACTING METHOD - In a method capable of diagnosing quality of a swing without circumstance, a camera | 09-01-2011 |
20110209516 | APPARATUS FOR ADJUSTING THE LIE AND LOFT OF A GOLF CLUB HEAD - An apparatus includes an actuator having an actuation axis, a base having a base plane, a first actuator mount for associating the actuator with the base in a first position, and a second actuator mount for associating the actuator with the base in a second position, and a clamp for associating the golf club head with the base. If the actuator is in the first position, the actuation axis is substantially perpendicular to the base plane, and, if the actuator is in the second position, the actuation axis is oblique relative to the base plane. | 09-01-2011 |
20110201452 | Golf club head with improved mass distribution - A golf club head having a striking wall having a front surface, and a rear surface, a top surface, and a sole portion extending rearwardly from the rear surface, the sole portion having a forward end, a rearward end, an upper surface and a lower surface. The intersection of the upper surface and the rear surface defines an interior sole line. The intersection of the upper surface and the rearward end defines a trailing edge. A region on the upper surface includes variation of the height of the trailing edge or exterior sole line relative to the height of the interior sole. | 08-18-2011 |
20110183771 | STRIKE FACE INSERT - A golf club head, according to one or more aspects of the present invention, comprises a metallic striking wall having a striking surface and at least one through score-line opening. At least one complementary component may be disposed rearward of the striking surface such that at least a part of the at least one complementary component extends into only a part of the at least one through score-line opening. | 07-28-2011 |
20110165965 | GOLF CLUB HEAD - A hollow golf club bead 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. | 07-07-2011 |
20110130214 | METHOD FOR DESIGNING GOLF CLUB AND GOLF CLUB - A designing method of the present invention includes the steps of: measuring a golf swing to obtain a measured result; obtaining a swing model provided with a link model and joint torque data based on the measured result, the link model having at least two links; performing simulation for swing the golf club using the swing model; and obtaining head information in a specific situation during a swing based on a result of the simulation. In the designing method, a plurality of specifications of the golf club and/or the plurality of swing models are used to obtain the plurality of head information, and stability is evaluated using a difference between the head information. In the designing method, it was found that a great lateral moment of inertia of a head and a small depth of a center of gravity of the head contribute to the stability. | 06-02-2011 |
20110124440 | METHOD FOR EVALUATING HIT FEELING - A valuation method of the present invention quantitatively estimates hit feeling of a sport hitting tool. The evaluation method includes: a first step of using a measuring means M | 05-26-2011 |
20110118056 | Structural response modifying features for a golf club head - A golf club head having a crown, a sole having a length, l | 05-19-2011 |
20110111882 | SHAFT FITTING SYSTEM - A method of selecting a preferred golf shaft for a player who uses an existing golf shaft, according to one or more aspects of the present invention, may comprise gathering a plurality of empirical data sets, each data set corresponding to an individual golf shaft selected from a plurality of golf shafts; providing a plurality of specification codes, each associated with an individual empirical data set of the plurality of empirical data sets; from the plurality of specification codes, identifying a first specification code associated with the existing golf shaft; gathering feedback associated with the existing golf shaft from the player; and using the feedback to select, from the plurality of specification codes, a second specification code corresponding to the preferred golf shaft. | 05-12-2011 |
20110111873 | CLUB FITTING SYSTEM - A method of determining a reference lie angle for at least one iron-type golf club custom-fit for a player, according to one or more aspects of the present invention, comprises providing a first hitting surface and a second hitting surface, the first hitting surface being different from the second hitting surface; providing a test club comprising a data acquisition device; directing the player to swing the test club relative to the first hitting surface, whereby initial information is collected by the data acquisition device; determining whether the initial information collected by the data acquisition device satisfies a pre-set condition; if the condition is satisfied, directing the player to swing the test club relative to the second hitting surface, whereby supplemental information is collected by the data acquisition device; and evaluating the supplemental information collected by the data acquisition device to determine the reference lie angle. | 05-12-2011 |
20110105243 | GOLF CLUB HEAD - A golf club head according to one or more aspects of the present invention may include a face portion or strike-face wall comprising a top inner boundary, an intermediate inner boundary, and a bottom inner boundary having a bottom-inner-boundary toe portion and a bottom-inner-boundary heel portion. The strike-face wall may further include a first uniform-thickness region, adjoining the top inner boundary, and a variable-thickness region adjoining the uniform-thickness region and a majority of the bottom inner boundary. In another example, the variable-thickness may adjoin a majority of the top inner boundary and the uniform-thickness region may adjoin a majority of the bottom inner boundary. | 05-05-2011 |
20110073244 | TUBULAR BODY - In this manufacturing method, a tubular body | 03-31-2011 |
20110056600 | Golf Club Cover Having a Pull Member - Various exemplary implementations of the principles described herein provide a cover for a golf club. The golf club may include a head and a shaft, the head having a heel end and a toe end, and the shaft connected at the heel end. The cover may include a toe portion substantially shrouding the toe end of the club head and a heel portion substantially shrouding the heel end of the club head and a first length of the shaft. The cover may include a sleeve portion extending from the heel portion and substantially shrouding a second length of the shaft, the second length being greater than the first length. The sleeve portion may have an opening opposite the heel portion. The cover may include a first pull member on the heel portion. | 03-10-2011 |
20100292026 | Strike Face Insert - A golf club head, according to one or more aspects of the present invention, comprises a metallic striking wall having a striking surface and at least one through score-line opening. At least one complementary component may be disposed rearward of the striking surface such that at least a part of the at least one complementary component extends into only a part of the at least one through score-line opening. | 11-18-2010 |
20100287760 | MANUFACTURING METHOD OF GOLF CLUB HEAD - A manufacturing method of the present invention includes the steps of: preparing a pre-line forming member having no face line; and cutting the pre-line forming member using a cutter | 11-18-2010 |
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 |
20100279792 | Golf Club Head - A golf club head according to one or more aspects of the present invention may include a main cavity having at least one auxiliary cavity and a base surface. An insert may be associated with the base surface and may comprise at least two contact elements, with a bridge member disposed therebetween. Different contact elements of the insert may be disposed in separate respective auxiliary cavities, such that each contact element may be associated with the base surface. The bridge member of the insert may be dissociated from the base surface. Moreover, a surface coating may be selectively applied to the head to permit a durable adhesive bond between the insert and the base surface. | 11-04-2010 |
20100279791 | GOLF CLUB HEAD - A golf club head comprising a strike face having a heel portion, a toe portion, and an intermediate portion. The intermediate portion includes one or more score lines. At least a portion of one or more score lines include a different average surface roughness and associated surface reflectance than at least the intermediate portion. A method for producing such a club head is also provided. | 11-04-2010 |
20100279788 | Golf Club Head - A golf club head according to one or more aspects of the present invention may include a heel, a toe, a crown, a sole, a strike face, and a lower transition region between the strike face and the sole. The lower transition region may have a plurality of nadir angles progressively increasing in size from the central region of the strike face to the heel and/or toe. The club head may further include an upper transition region between the strike face and the crown. The upper transition region may have a plurality of apex angles progressively increasing in size from the central region of the strike face to the heel and/or toe. | 11-04-2010 |
20100273567 | GOLF CLUB - A golf club according to one or more aspects of the present invention may have a mass less than 300 g, a length greater than about 45 inches, a swing weight between D | 10-28-2010 |
20100261548 | 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. | 10-14-2010 |
20100261547 | GOLF CLUB HEAD - A golf club head according to one or more aspects of the present invention may generally include a strike face, a top portion, a bottom portion, a heel portion, a toe portion, and a hosel having a central axis located in a first imaginary vertical plane. A discrete, at least partially curvilinear stiffening element, having generally vertical side surfaces, may be coupled to at least one of the top portion and the bottom portion to improve the dynamic-excitation response of the club head. Preferably, the stiffening element is oriented such that an imaginary horizontal line intersects at least one of the vertical surfaces at at least two points. Additionally, the stiffening element may have at least two inflection points located along a non-linear path characterized by the vertical projection of one of the side surfaces onto at least one of the bottom portion and the top portion of the club head. | 10-14-2010 |
20100240475 | METHOD OF SELECTING PREFERRED CUSTOMIZED EQUIPMENT PARAMETERS FOR GOLF CLUBS - A method of selecting preferred customized equipment parameters for golf clubs, according to one or more aspects of the present invention, may comprise collecting a primary data set comprising a plurality of actual golf-equipment parameters and a plurality of actual player-skill evaluation data; providing a plurality of secondary data sets, each comprising a first subset including a plurality of reference golf-equipment parameters and a plurality of reference player-skill evaluation data, and a second subset including a plurality of potential customized golf-equipment parameters; comparing the first subset of each of the plurality of secondary data sets with a corresponding subset of the primary data set; selecting all secondary data sets wherein the first subsets match the corresponding subset of the primary data set; identifying, from the second subsets of all the secondary data sets wherein the first subsets match the corresponding subset of the primary data set, the plurality of potential customized golf-equipment parameters belonging to a specific secondary data set; and designating the plurality of potential customized equipment parameters belonging to the specific secondary data set as the plurality of preferred customized golf-equipment parameters. | 09-23-2010 |
20090305812 | GOLF CLUB HEAD AND METHOD FOR PRODUCING THE SAME - A golf club head | 12-10-2009 |
20090102097 | Mold for golf balls | 04-23-2009 |
20090082136 | Golf ball - The present invention aims to improve spin performance and abrasion resistance for a golf ball having a cover using a nonionic polyurethane as a resin component. The golf ball of the present invention is a golf ball including a core and a cover covering the core and in which the cover contains a nonionic polyurethane as a resin component and the nonionic polyurethane has a hard segment content of 24.5% to 34.7% by mass. | 03-26-2009 |
20090005188 | Analysis method of golf club - According to the present invention, a torque applied from a golf player to a golf club during a swing is analyzed in a time-series manner. A DLT method is suitable as a determination procedure. Preferably, a link model is used in this analysis. Preferably, the three-dimensional coordinate of the mark provided at a position that corresponds to the link model is determined by a DLT method. Preferable analysis method includes: modeling using a golf club, and at least a part of a golf player who grips a grip member of the golf club to provide a link model in which the golf club is connected with the golf player via a joint; and analyzing the torque that acts on the joint is analyzed during the swing in a time-series manner. This joint is positioned in the vicinity of the grip member. This analysis can be applied to a method of diagnosing a swing, a method of selecting a golf club, and a method of designing a golf club. | 01-01-2009 |