| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 473314000 | Particular relationship between shaft longitudinal axis and head orientation | 33 |
| 20080261716 | Golf Club | 10-23-2008 |
| 20080280697 | Golf club head and shaft assembly - A golf driver or wood club head assembly has a shaft which is attached to the top of a club head at or near the midpoint of the contact surface or face of the club. | 11-13-2008 |
| 20080287211 | GOLF CLUB - A golf club with a shaft and an asymmetrical head, wherein said head has a gravitational center which is further from a trailing edge than said striking face and is disposed on a vertical plane which includes said grip axis. | 11-20-2008 |
| 20090005190 | Wood-type golf club head - A wood-type golf club head has a hollow structure having a specific configuration in which, in order to make it easier to rotate the club head around the clubshaft during swing while maintaining a large lateral moment of inertia, the relative positions of the club face, the center of gravity, the clubshaft center line and the heel are optimized by limiting the face progression within a range between 21 to 27 mm, and the area ratio (S | 01-01-2009 |
| 20090042666 | GOLF CLUB - A golf club having a shaft, a grip, and a head provides improved balance and feel. The shaft has a shaft distal end, a shaft axis defining a vertical plane, and a forward bend section proximate the shaft distal end. The head is secured to the shaft distal end and includes a striking face, a trailing edge, a club head center of gravity, a heel section having a heel section center of gravity, and a toe section having a toe section center of gravity. The heel section center of gravity is forward of the striking face and the club head center of gravity is further from the trailing edge than the striking face. The forward bend section of the shaft projects from the vertical plane at an attachment angle such that the shaft distal end is forward of the heel section center of gravity. | 02-12-2009 |
| 20090143164 | TWIN-AXIS AND HEAD FOR SPORTS EQUIPMENT - This disclosed subject matter provides twin-axis sports equipment wherein a structure connecting a main shaft and a striking portion comprises two axes. The sports equipment can be a golf club, a hockey stick, an ice hockey stick, a tennis racket, a badminton racket, or the like. The striking portion can be configured as the striking portion of a golf club driver, wood, iron or putter, and can include a golf club driver, wood, iron, or putter having a punched hole or a dimple. A void can be formed in the striking portion, from a toe side and a heel side of the striking portion, which further connects with a main shaft. | 06-04-2009 |
| 20090264215 | Golf club shaft angle adjustment technology - Golf club shaft angle adjustment technology that allows the angle of the shaft of a golf club (ie. the lie) to adjust in small increments, and prevents movement as is the case with gears or teeth. The front of the club head consists of a round opening that accepts a corresponding round member on the end of the shaft. The face of the club inside the round opening on the club head consists of a series of half-spherical divots. The face of the shaft member that opposes the face of the club inside the round opening on the club head also has half-spherical divots. Opposing divots are positioned such that two opposing divots are perfectly in-line when the shaft is at an allowable angle. A ball bearing inserts into the perfectly in-line divots prior to sliding the shaft member into the club head opening to prevent movement when tightened. Inside the club head round opening is a smaller round opening that extends through the back of the club head. The round member on the end of the shaft has an attached threaded post that inserts into the smaller round opening of the club head and allows for the tightening of the round shaft member to the club head from the back of the club head. | 10-22-2009 |
| 20100317455 | Golf club head - The idea relates to a golf club, metal driver (FIG. | 12-16-2010 |
| 20100323809 | GOLF CLUB WITH ADJUSTABLE HOSEL ANGLE - A golf club head with an adjustable hosel that sits within a cavity loaded with filler material. The cavity may generally extend from crown to sole or, in the alternative, extend only a partial amount of the distance from the crown to the sole. | 12-23-2010 |
| 20110014992 | Mass and/or Geometry Centered Golf Clubs - A golf club includes a head and a shaft coupled to the head. The shaft is positioned so that an axis of the shaft intersects at or near a center of mass of the head. | 01-20-2011 |
| 20110014993 | GOLF CLUB - A golf putter with a novel offset and shaft-attachment design is disclosed and claimed. The club includes a head having a strike surface, a sole, and a top line. A tube is coupled to the head, a coupling member is coupled to the distal end of the tube, and a shaft is also coupled to the coupling member. The coupling member connects the tube and the shaft such that they are relatively offset. The longitudinal axes of the tube and the shaft may be substantially parallel, or the coupling member may be adjustable such that the longitudinal axes are not parallel. An alignment indicia is provided on the club head. The tube is coupled to the head at an angle such that it blocks the indicia from a user's view at address when the head is aligned properly. If the club head is not properly aligned, the golfer will be able to see the indicia and therefore know to adjust the club head before putting. Thus, putter disclosed and claimed herein provides both offset and a putting alignment aide. | 01-20-2011 |
| 20110039631 | ANGLED CONNECTION FOR GOLF CLUB HEADS AND SHAFTS - A golf club having a shaft, a club head and a connection region structure provides an angled connection of the shaft to the club head. The connection region structure includes a first end, a second end and a bore extending from the first end toward the second end. The first end has an opening to receive the distal end of the shaft. The second end is opposite to the first end and includes a mounting surface. The bore receives the distal end of the shaft and defines a longitudinal axis. The mounting surface is at a non-zero angle to a perpendicular to the longitudinal axis of the bore. Further, the mounting surface abuts the first surface of a shaft-attachment structure that projects from a main body of the club head. | 02-17-2011 |
| 20110092310 | GOLF CLUB HAVING REMOVABLE SOLE WEIGHT USING CUSTOM AND INTERCHANGEABLE PANELS - A golf club head is presented comprising a sole including a removable panel secured to the sole via a non-threaded attachment assembly. Further, the removable panel may have a large surface area relative to its thickness, resulting in a chip-like or wafer-like weight member. This design allows the mass of the removable panel to be spread substantially along the surface of the sole as opposed to in the interior of the club head. The golf club head may comprise more than one removable panel. A removable panel of the present invention may generally comprise one or more discrete areas of higher basis weight or higher density. Even further, the removable panel may generally be releasably attached via a quick disconnect mechanism that allows easy interchangeability. | 04-21-2011 |
| 20110151990 | Self aligning golf club - A golf club assembly is designed to self align its self when the golfer takes a practice swing before hitting a golf ball to the green. The golf ball trajectory to the hole on the green is more accurate, because of this self alignment screw added to the golf club head and the centerline line of the shaft is attached to the golf head to intersect with the centerline of the golf head. This centerline is developed from the sweet spot to the center of gravity of the club head. The club head is designed so it has the same height as the sweet spot. | 06-23-2011 |
| 20110207548 | Golf Club With Near Vertical Shaft - A golf club having a bent hosel. The hosel is approximately five inches long and the bend is approximately centered on the hosel. The hosel is connected to the golf club base to angle toward the golfer. At its middle, or approximately two and one half inches above the golf club base, the hosel is bent away from the golfer to a nearly vertical angle. The shaft of the golf club is connected to the upper portion of the bent hosel causing the shaft to continue at the nearly vertical angle. The novel angling of the hosel and shaft allow an average golfer to consistently hit straighter shots beginning with a putter, but including golf irons and golf woods. | 08-25-2011 |
| 20110237345 | DIRECTION CHANGE STRUCTURE OF GOLF CLUB HEAD - A direction change structure of golf club head includes a ferrule that is fit to a body of a club head for coupling a shaft of a golf club. The ferrule includes an eccentric feature and has a separation preventing threaded member embedded therein. The body of the club head has a sole in which a recessed cavity is formed to correspond to the joint portion. A fastening threaded member is fit with a washer and is inserted through the recessed cavity to threadingly engage the separation preventing threaded member for fixing the ferrule. As such, with the fastening threaded member loosened, the ferrule is rotatable to realize direction change in order to enhance ball hitting performance. | 09-29-2011 |
| 20110294592 | Sweetspot golf club - A sweetspot golf club assembly is designed to help a golfer to drive a golf ball further and to its target more accurately , because of its sweet spot location on the face of the club head and its shaft location at the club head. The sweetspot is where the center-line of the head will pierce the face of the head. The club shaft is attached to the head so its center-line will intersect the center-line of the club head . The center-line of the club head is established by constructing a line from the center of gravity of the head to a perpendicular line that is on the flat face of the head , and is parallel to the ground line, and at the same height to the center of gravity of the head. This club head includes a high lighted straight line on top of a fore and aft rib that is above , and parallel , and on center with the center-line of the club head . This acts as a sight line to assist the golfer to align the club head to the center of the golf ball , and align the sight line with a imaginary line going from the center of the golf ball to its target. The above improvements will assist the golfer to drive the golf ball further and with more accuracy. | 12-01-2011 |
| 20120015756 | Aerodynamic balanced wood form and/or iron form golf club - The wood or iron golf club has a reduced shaft width transverse to the direction of motion and a greater shaft depth parallel to the direction of motion, therefore, has a reduced frontal area that creates less aerodynamic drag and a higher resistance to bending opposite the direction of motion, respectively. The low drag rigid shaft allows higher head velocity, higher momentum transfer to the ball, higher ball velocity, and longer more accurate drives then current clubs with elongated cone shaped symmetrical shafts. | 01-19-2012 |
| 20120071265 | Releasable and Interchangeable Connections for Golf Club Heads and Shafts - Golf club heads are releasably engaged with shafts so they may be readily interchanged and/or so that the shaft orientation with respect to the club head can be readily changed. Assemblies for connecting the club head and shaft may include a shaft adapter and a head adapter. The shaft adapter may have an exterior surface extending along a first axis and a bore having a cross-sectional shape along a second axis configured to attach to a shaft member. The second end of the shaft adapter has a cross-sectional shape of a regular polygon. The head adapter has a first end and a second end along a first axis and a bore having a shape of a regular polygon along a second axis that is shaped to receive the second end of the shaft adapter in a plurality of orientations. | 03-22-2012 |
| 20120149488 | GOLF CLUB HOSEL - Golf is a massive industry as well as sport globally with golfers investing in continuous evolutions and modifications to golf clubs with sensitivity to weight of a few grams, offset in angle of a degree, “feel” etc. Prior art designs focused to the golf club head, grip, and in a few instances the shaft. However, considerations of accurate alignment between the elements during initial assembly/replacement are not addressed. It is, therefore, desirable to provide a means of assembling a golf club shaft that provides for an accurate alignment between the multiple elements such that alignment between them is established, can be maintained with replacements, and also allows for meaningful adjustments in the grip and head to be achieved as multiple other factors do not confound the desired interpretation of the impact of an adjustment. Accordingly the invention provides for such alignment between multiple elements of a golf club. | 06-14-2012 |
| 20120225731 | GOLF CLUB - Disclosed is a golf club having a structure with which optional angle adjustment can be easily and firmly performed by a user himself/herself without changing the direction of a shaft along the circumference thereof with respect to a head. To this end, the distal end portion of the shaft to which a plug member is fixed is fitted into a shaft insertion hole of a hosel portion from above, an angle adjusting member is fitted from below, and a fixing bolt is fitted into a bolt insertion hole of the angle adjusting member and screwed into an internal thread portion of the plug member. A radial clearance is left between the outer circumferential surface of a lower end portion of the plug member fitted into the shaft insertion hole and the inner circumferential surface of the shaft insertion hole corresponding to the outer circumferential surface, and a spacer portion partially formed on the angle adjusting member along the circumference of the angle adjusting member is fitted into a part of the radial clearance along the circumference of the radial clearance. The fixing angle of the head body with respect to the shaft can be adjusted by the circumferential position of the spacer portion fitted into the radial clearance. | 09-06-2012 |
| 20120231896 | ADJUSTABLE GOLF CLUB SHAFT AND HOSEL ASSEMBLY - An adjustable shaft and hosel assembly allows for dependent and independent adjustment of a golf club's face angle, loft angle, and lie angle. The adjustable shaft and hosel assembly comprises a shaft sleeve, a hosel portion, a tubular adjustment piece having non-parallel upper and lower surfaces, and a retention piece removably attached to the tip end of the shaft sleeve, wherein the retention piece prevents the tubular adjustment piece from becoming detached from the shaft sleeve. The retention piece may be a ball joint, a universal joint connection, or a retention cap. | 09-13-2012 |
| 20120302366 | GOLF CLUB WITH ADJUSTABLE HOSEL ANGLE - A golf club head with an adjustable hosel that sits within a cavity loaded with filler material. The cavity may generally extend from crown to sole or, in the alternative, extend only a partial amount of the distance from the crown to the sole. | 11-29-2012 |
| 20130005499 | GOLF CLUB WITH MULTI-COMPONENT NECK - A golf putter with a multi-component neck providing a novel offset and shaft-attachment design is described and claimed. The club includes a head having a strike surface, a sole, and a top line. The multi-component neck includes a lower neck component and a coupling member. The coupling member is joined to a shaft. The coupling member connects the lower neck component and the shaft such that they are relatively offset. The length of the lower neck component and/or the design of the coupling member determine the distance from the club head center of gravity and the intersection of the projected longitudinal axis of the shaft with the head. | 01-03-2013 |
| 20130324286 | Golf Clubs And Golf Club Heads Including Structure To Selectively Adjust The Face And Lie Angle Of The Club Head - Aspects of this invention relate to structures and methods for connecting golf club heads to shafts in a releasable and adjustable manner allowing independent adjustability of face angle, loft angle, and lie angle of a club head. Assemblies for connecting the club head and shaft may include: (a) a hosel assembly; (b) an adjustment member; and (c) a securing system for releasably and adjustably securing the hosel assembly and adjustment member to the club head. The face angle, loft angle, and lie angle may be independently adjusted by releasing the securing system and rotating the different structures or exchanging the original parts with different parts. | 12-05-2013 |
| 20130324287 | Adjustable Golf Club and System and Associated Golf Club Heads and Shafts - In general, aspects of this invention relate to golf clubs or golf club components incorporating adjustment members that permit ready adjustability of golf club parameters and/or interchangeability of golf club components to change a golf club configuration, and methods for providing golf clubs. According to aspects of this invention, an adjustment member may be utilized to allow the adjustability of a golf club parameter to change a golf club configuration, while ensuring there is substantially no change to other club or club head variables, parameters or characteristics. According to another aspect of this invention, an adjustment member may be utilized to allow the adjustability of two golf club parameters independently to change a golf club configuration, while ensuring there is substantially no change to other club or club head variables, parameters or characteristics. | 12-05-2013 |
| 20130337936 | GOLF CLUB - A golf club includes a club head having a face surface for hitting a ball. A center of gravity of the club head is situated on a vertical plain including an axis of a shaft. The club head includes a body portion for connecting to the shaft and a face portion attached to the body portion. The face portion is configured so that a face angle of the club head becomes a hook face. | 12-19-2013 |
| 20140100057 | GOLF CLUB - A golf putter with a novel offset and shaft-attachment design is disclosed and claimed. The club includes a head having a strike surface, a sole, and a top line. A tube is coupled to the head, a coupling member is coupled to the distal end of the tube, and a shaft is also coupled to the coupling member. The coupling member connects the tube and the shaft such that they are relatively offset. The longitudinal axes of the tube and the shaft may be substantially parallel. An alignment indicia is provided on the club head. The tube is coupled to the head at an angle such that it blocks the indicia from a user's view at address when the head is aligned properly. If the club head is not properly aligned, the golfer will be able to see the indicia and therefore know to adjust the club head before putting. Thus, putter disclosed and claimed herein provides both offset and a putting alignment aide. | 04-10-2014 |
| 20140106894 | GOLF CLUB WITH ADJUSTABLE HOSEL ANGLE - A golf club head with an adjustable hosel that sits within a cavity loaded with filler material. The cavity may generally extend from crown to sole or, in the alternative, extend only a partial amount of the distance from the crown to the sole. | 04-17-2014 |
| 20140162807 | Golf Club - A golf club has a club head forming a generally hollow body having a generally planar front wall for impacting a ball, a rear wall opposite to the front wall, two side walls, a top wall and a bottom wall surrounding a hollow interior. A tubular shaft hosel extends upwardly from the top wall of the club head and an upstanding center wall is located between the side walls and extending rearwardly from the front wall so as to transfer forces between walls. A portion of the hosel is connected to the top wall and the center wall so as to transfer forces therebetween. The front edge of the center wall can be recessed away from the front wall to allow some flexing of the front wall on impact. | 06-12-2014 |
| 20150343277 | GOLF CLUBS AND GOLF CLUB HEADS - Golf club heads include a golf club head body, a ball striking face, and a shaft engaging member configured to engage a golf club shaft with the golf club head body. Additionally, the shaft engaging member may be configured to engage the golf club head body and the shaft below a center of gravity of the golf club head, and/or the shaft engaging member may have rotational locking structure that can be locked in a plurality of positions. Further, the golf club head may include a face member and a rear member, where the rear member is configured to transfer energy and/or momentum to the face member, particularly on off-center hits. | 12-03-2015 |
| 20150367186 | GOLF CLUB ADJUSTABLE HOSEL ASSEMBLY - An adjustable assembly includes a golf club shaft having a tip portion, a golf club head, a hosel insert, a shaft adapter and a fastener. The hosel portion defines an upper hosel opening. The hosel insert is secured to the hosel portion and includes a first set of upwardly extending projections. The shaft adapter extends about a first longitudinal axis, and defines a shaft opening for engaging the tip portion. The shaft adapter includes a second set of downwardly extending projections for selectable engagement with the first set of projections. The first and second sets of projections are shaped to enable rotational movement of the shaft adapter about the first axis with respect to the hosel insert in a first rotational direction, and to inhibit rotational movement of the shaft adapter with respect to the hosel insert in a second rotation direction, opposite the first rotational direction. | 12-24-2015 |
| 20160023068 | Modular Hosel, Weight-Adjustable Golf Club Head Assembly - A golf putter head with a front portion comprising traditional shape and appearance, with an integral face insert extending through the head to an alignment and weighting portion extending beyond the main body of the putter, adding improved alignment, increased moment of inertia (MOI) and adjustable weighting and adjustable balance and optimizable center of percussion. The putter head comprises a central face insert portion extending through the body and above the traditional weight flange, with mass relieved portions below the top of the alignment piece in order to receive one or more optional weights, and the upper side of the rearwardly extending portion being engraved or marked with various alignment indicia, and the whole through-head insert face portion and rearwardly extending portion being affixed to the base portion of the head at least in part with threaded fasteners. | 01-28-2016 |
