| Patent application number | Description | Published |
| 20090011848 | Releasable and Interchangeable Connections For Golf Club Heads and Shafts - Golf club heads are releasably engaged with shafts so that the club heads and shafts can be readily interchanged and/or so that the shaft position with respect to the club head can be readily changed. Assemblies for connecting the club head and shaft may include: (a) a shaft engaging member including a rotation-inhibiting structure; (b) a club head engaging member including a shaft-receiving chamber and a retaining structure for engaging the rotation-inhibiting structure; and (c) a securing system for releasably securing the shaft engaging member with respect to the club head engaging member. The club head and shaft may be changed by releasing the securing system and exchanging the original parts with different parts. Furthermore, the shaft may be bent or otherwise extend at an angle from the shaft engaging member so as to allow adjustment of the shaft position with respect to the club head. | 01-08-2009 |
| 20090011850 | Releasable and Interchangeable Connections for Golf Club Heads and Shafts - Golf club heads are releasably engaged with shafts so that the club heads and shafts can be readily interchanged and/or so that the shaft position with respect to the club head can be readily changed. Assemblies for connecting the club head and shaft may include: (a) a shaft engaging member including a rotation-inhibiting structure; (b) a club head engaging member including a shaft-receiving chamber and a retaining structure for engaging the rotation-inhibiting structure; and (c) a securing system for releasably securing the shaft engaging member with respect to the club head engaging member. The club head and shaft may be changed by releasing the securing system and exchanging the original parts with different parts. Furthermore, the shaft may be bent or otherwise extend at an angle from the shaft engaging member so as to allow adjustment of the shaft position with respect to the club head. | 01-08-2009 |
| 20090062029 | Releasable and Interchangeable Connections for Golf Club Heads and Shafts - Golf club heads are releasably engaged with shafts so that the club heads and shafts can be readily interchanged and/or so that the shaft position with respect to the club head can be readily changed. Assemblies for connecting the club head and shaft may include: (a) a cylindrical structure having a cylindrical interior chamber for receiving a golf club shaft, a rotation-inhibiting structure, and a securing structure; and (b) a securing system for releasably engaging the securing structure. The club head and shaft may be changed by releasing the securing system and exchanging the original parts with different parts. Furthermore, the shaft may be bent or otherwise extend at an angle from the shaft connection assembly so as to allow adjustment of the shaft position with respect to the club head. | 03-05-2009 |
| 20090326688 | Systems and Methods for Fitting Golfers with Golf Clubs - Golf club fitting systems and methods include: (a) receiving input data indicating a golfer's driver loft angle and shaft flexibility characteristic; (b) determining initial candidate fairway wood clubs based on this data; and (c) identifying the initial candidate fairway wood clubs. Such systems and methods further may include: (d) receiving launch monitor data generated when the golfer hits balls using the initial candidate fairway wood clubs; (e) determining and identifying additional candidate fairway wood clubs for testing; (f) receiving launch monitor data generated when the golfer hits balls using the additional candidate fairway wood clubs; and (g) determining and identifying a recommendation for a final first fairway wood club based on the data. Other clubs in the fitted set also may be determined by these fitting systems and methods. | 12-31-2009 |
| 20100041491 | Orientation Marker for Golf Club Having Releasable and Interchangeable Head and Shaft Connections - A golf club may have an orientation marker located on the golf club that indicates at least a relative orientation between the golf club head and shaft. The orientation marker may be located, for example, on the golf club head or shaft. A key member provides additional information with respect to the relative orientation between the golf club head and the shaft. The key member may be located, for example, on the golf club head, shaft, or grip portion, or on a head cover for the golf club head. | 02-18-2010 |
| 20100160064 | Releasable and Interchangeable Connections for Golf Club Heads and Shafts - Golf club heads are releasably engaged with shafts so that the club heads and shafts can be readily interchanged and/or so that the shaft position with respect to the club head can be readily changed. Assemblies for connecting the club head and shaft may include: (a) a shaft engaging member including a rotation-inhibiting structure; (b) a club head engaging member including a shaft-receiving chamber and a retaining structure for engaging the rotation-inhibiting structure; and (c) a securing system for releasably securing the shaft engaging member with respect to the club head engaging member. The club head and shaft may be changed by releasing the securing system and exchanging the original parts with different parts. Furthermore, the shaft may be bent or otherwise extend at an angle from the shaft engaging member so as to allow adjustment of the shaft position with respect to the club head. | 06-24-2010 |
| 20100160068 | Releasable and Interchangeable Connections for Golf Club Heads and Shafts - Golf club heads are releasably engaged with shafts so that the club heads and shafts can be readily interchanged and/or so that the shaft position with respect to the club head can be readily changed. Assemblies for connecting the club head and shaft may include: (a) a shaft engaging member including a rotation-inhibiting structure; (b) a club head engaging member including a shaft-receiving chamber and a retaining structure for engaging the rotation-inhibiting structure; and (c) a securing system for releasably securing the shaft engaging member with respect to the club head engaging member. The club head and shaft may be changed by releasing the securing system and exchanging the original parts with different parts. Furthermore, the shaft may be bent or otherwise extend at an angle from the shaft engaging member so as to allow adjustment of the shaft position with respect to the club head. | 06-24-2010 |
| 20100160070 | Releasable and Interchangeable Connections for Golf Club Heads and Shafts - Golf club heads are releasably engaged with shafts so that the club heads and shafts can be readily interchanged and/or so that the shaft position with respect to the club head can be readily changed. Assemblies for connecting the club head and shaft may include: (a) a shaft engaging member including a rotation-inhibiting structure; (b) a club head engaging member including a shaft-receiving chamber and a retaining structure for engaging the rotation-inhibiting structure; and (c) a securing system for releasably securing the shaft engaging member with respect to the club head engaging member. The club head and shaft may be changed by releasing the securing system and exchanging the original parts with different parts. Furthermore, the shaft may be bent or otherwise extend at an angle from the shaft engaging member so as to allow adjustment of the shaft position with respect to the club head. | 06-24-2010 |
| 20100197422 | 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. | 08-05-2010 |
| 20100197423 | 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 may have a cross-sectional shape of a regular polygon or a cross-sectional shape defined by splines. The head adapter has a first end and a second end along a first axis and a bore having either a shape of a regular polygon or a cross-sectional shape defined by splines along a second axis that is shaped to receive the second end of the shaft adapter in a plurality of orientations. | 08-05-2010 |
| 20100216566 | Orientation Marker For Golf Club Having Releasable And Interchangeable Head And Shaft Connections - A golf club may have an orientation marker located on the golf club that indicates at least a relative orientation between the golf club head and shaft. The orientation marker may be located, for example, on the golf club head or shaft. A key member provides additional information with respect to the relative orientation between the golf club head and the shaft. The key member may be located, for example, on the golf club head, shaft, or grip portion, or on a head cover for the golf club head. | 08-26-2010 |
| 20100234122 | Releasable and Interchangeable Connections for Golf Club Heads and Shafts - Golf club heads are releasably engaged with shafts so that the club heads and shafts can be readily interchanged and/or so that the shaft position with respect to the club head can be readily changed. Assemblies for connecting the club head and shaft may include: a shaft adapter, a collet, a ferrule, and a club head having an interior chamber. The club head and shaft may be changed by releasing the securing system and exchanging the original parts with different parts. Furthermore, the shaft may be bent or otherwise extend at an angle from the shaft adapter so as to allow adjustment of the shaft position with respect to the club head. | 09-16-2010 |
| 20110047778 | Releasable And Interchangeable Connections For Golf Club Heads And Shafts - Golf club heads are releasably engaged with shafts so that the club heads and shafts can be readily interchanged and/or so that the shaft position with respect to the club head can be readily changed. Assemblies for connecting the club head and shaft may include: a shaft adapter, a collet, a ferrule, and a club head having an interior chamber. The club head and shaft may be changed by releasing the securing system and exchanging the original parts with different parts. Furthermore, the shaft may be bent or otherwise extend at an angle from the shaft adapter so as to allow adjustment of the shaft position with respect to the club head. | 03-03-2011 |
| 20110053698 | GOLF CLUBS AND GOLF CLUB HEADS HAVING DIGITAL LIE AND/OR OTHER ANGLE MEASURING EQUIPMENT - Golf club heads having sensors configured to measure one or more swing parameters are provided. The golf club head may include several gyroscopes and accelerometers. In one embodiment, the club head contains three gyroscopes that measure angular rate data along different orthogonal axes. At least one gyroscope may an analog gyroscope. Accelerometers may provide data regarding the three orthogonal axes associated with the gyroscopes. The club head may further include software and/or hardware that perform computer-executed methods for determining one or more swing parameters. Exemplary club heads may include a display device for displaying an output of the swing parameter(s). Further aspects of the invention relate to novel methods and algorithms for calculating measurements relating to the swing parameters. | 03-03-2011 |
| 20110111874 | Orientation Marker For Golf Club Having Releasable And Interchangeable Head And Shaft Connections - A golf club may have an orientation marker located on the golf club that indicates at least a relative orientation between the golf club head and shaft. The orientation marker may be located, for example, on the golf club head or shaft. A key member provides additional information with respect to the relative orientation between the golf club head and the shaft. The key member may be located, for example, on the golf club head, shaft, or grip portion, or on a head cover for the golf club head. | 05-12-2011 |
| 20110118051 | 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. | 05-19-2011 |