| Patent application number | Description | Published |
|---|
| 20080242442 | GOLF CLUB HEAD WITH VARYING FACE GROOVES - The present invention is directed to a golf club head with an improved striking surface. Grooves are machined into the strike surface with tight tolerances. The grooves have sharp edges, radiused ends, and a draft angle between about 2° and 12°. The striking face is machined such that it has a uniform texture with a roughness of more than 40 Ra. The grooves may contain a plurality of portions, including a radiused or angled portion, a portion having substantially parallel walls, a portion having a v-shape, and a curved portion. The grooves may also be characterized by various dimensions, including draft angle, inclusive side wall angle, width, depth, cross-sectional area, spacing, and pitch ratio. Preferred values for these dimensions are provided. A golf club head having a variety of groove types and a set of golf clubs with grooves varying among the individual clubs of the set are also disclosed. | 10-02-2008 |
| 20080242443 | GOLF CLUB HEAD HAVING A GROOVED AND TEXTURED FACE - The present invention is directed to a golf club head with an improved striking surface. The grooves are machined into the strike surface with tight tolerances. The grooves have sharp edges, radiused ends, and a draft angle between about 2° and 12°. The striking face is machined such that it has a uniform texture with a roughness of more than 40 Ra. The face may be selectively textured to enhance certain shots that the golfer may perform. This may include providing a plurality of distinct sets of texturing to accommodate a plurality of different shots. The grooves may contain a plurality of portions, including a radiused or angled portion, a portion having substantially parallel walls, a portion having a v-shape, and a curved portion. The grooves may also be characterized by various dimensions, including draft angle, inclusive side wall angle, width, depth, cross-sectional area, spacing, and pitch ratio. | 10-02-2008 |
| 20080254908 | INTERCHANGEABLE SHAFT AND CLUB HEAD CONNECTION SYSTEM - Disclosed herein is a golf club including a shaft, a club head and several devices for releasably connecting the shaft to the club head. | 10-16-2008 |
| 20080254909 | TWO-PART HOSEL CONNECTION SYSTEM FOR GOLF CLUBS - Disclosed herein is a golf club including a shaft, a club head and several devices for releasably connecting the shaft to the club head. | 10-16-2008 |
| 20090075750 | IRON-TYPE GOLF CLUB - Disclosed herein is a golf club including a club head having a muscle back shell or a lightweight muscle back. | 03-19-2009 |
| 20090075751 | IRON-TYPE GOLF CLUB - A a golf club including a club head having a club head main body, a supporting member and a muscle back shell. The muscle back shell is coupled to the club head main body and the supporting member. | 03-19-2009 |
| 20090149276 | 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. | 06-11-2009 |
| 20090239676 | INTERCHANGEABLE SHAFT AND CLUB HEAD CONNECTION SYSTEM - Disclosed herein is a golf club including a shaft, a club head and several devices for releasably connecting the shaft to the club head. | 09-24-2009 |
| 20100203980 | SET OF IRON CLUBS WITH CONSTANT GROUND ROLL - A set of iron clubs where each club in the set has the same or substantially the same ground roll. The set is produced by adjusting at least two club design characteristics of the clubs based upon measured or assumed player swing data. The design characteristics of the clubs include club length, static clubhead loft, location of the center of gravity, shaft flexibility, and groove volume. Preferably, club length and static clubhead loft are adjusted for coarse adjustments, while the other characteristics are used to fine-tune the design. | 08-12-2010 |
| 20100261543 | INTERCHANGEABLE SHAFT AND CLUB HEAD CONNECTION SYSTEM - Disclosed herein is a golf club including a shaft, a club head and several devices for releasably connecting the shaft to the club head. | 10-14-2010 |
| 20100285898 | GOLF CLUB HEAD HAVING A GROOVED AND TEXTURED FACE - The present invention is directed to a golf club head with an improved striking surface. The grooves are machined into the strike surface with tight tolerances. The grooves have sharp edges, radiused ends, and a draft angle between about 2° and 12°. The striking face is machined such that it has a uniform texture with a roughness of more than 40 Ra. The face may be selectively textured to enhance certain shots that the golfer may perform. This may include providing a plurality of distinct sets of texturing to accommodate a plurality of different shots. The grooves may contain a plurality of portions, including a radiused or angled portion, a portion having substantially parallel walls, a portion having a v-shape, and a curved portion. The grooves may also be characterized by various dimensions, including draft angle, inclusive side wall angle, width, depth, cross-sectional area, spacing, and pitch ratio. | 11-11-2010 |
| 20100304890 | WEDGE TYPE GOLF CLUB HEAD - A wedge type golf club head is disclosed herein where the wedge type golf club head has enhanced performance characteristics such as improved backspin, ball speed, and launch angle. More specifically, the present invention relates to a wedge type golf club head having an adjustable center of gravity, where the center of gravity may be adjusted based on different backing profiles that comprises at least one hollow chamber. | 12-02-2010 |
| 20100331097 | IRON-TYPE GOLF CLUBS - A set of iron-type golf clubs includes long irons with channel back configurations and short irons with cavity back configurations. The rear face configurations transition from channel backs through to pure cavity backs for increased performance continuum for the set. Additional design parameters for the set may also be systematically varied through the set, such as groove type and depth, loft angle, cavity volume, hitting face roughness, and sole width. At least one of the clubs of the set includes a sandwich-type construction for the hitting face having a dampening element disposed between a hitting face insert and a lightweight reinforcing core. In one embodiment, at least one club head is oversized. | 12-30-2010 |
| 20100331098 | IRON-TYPE GOLF CLUBS - A set of iron-type golf clubs includes long irons with channel back configurations and short irons with cavity back configurations. The rear face configurations transition from channel backs through to pure cavity backs for increased performance continuum for the set. Additional design parameters for the set may also be systematically varied through the set, such as groove type and depth, loft angle, cavity volume, hitting face roughness, and sole width. At least one of the clubs of the set includes a sandwich-type construction for the hitting face having a dampening element disposed between a hitting face insert and a lightweight reinforcing core. In one embodiment, at least one club head is oversized. | 12-30-2010 |
| 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 |
| 20110053706 | GOLF CLUB HEAD - 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. The metallic portion of the club head may take on the appearance of a frame, into which several light-weight inserts are positioned. These light-weight inserts may be positioned in the crown, skirt, and sole of the club head. The club head may be formed by co-molding, eliminating the need for welding or adhesives, freeing mass to be used in more beneficial ways. The club head may be large to increase playability and forgiveness. The club head may include one or more light-weight inserts to manipulate the playing characteristics of the resulting golf club. These inserts may have attachment surfaces that are relatively angled such that the inserts are subjected to compressive forces rather than shear forces upon impact with a golf ball during a golf swing. | 03-03-2011 |
| 20110118046 | INTERCHANGEABLE SHAFT AND CLUB HEAD CONNECTION SYSTEM - Disclosed herein is a golf club including a shaft, a club head and several devices for releasably connecting the shaft to the club head. | 05-19-2011 |
| 20110159985 | GOLF CLUB HEAD WITH VARYING FACE GROOVES - The present invention is directed to a golf club head with an improved striking surface. Grooves are machined into the strike surface with tight tolerances. The grooves have sharp edges, radiused ends, and a draft angle between about 2° and 12°. The striking face is machined such that it has a uniform texture with a roughness of more than 40 Ra. The grooves may contain a plurality of portions, including a radiused or angled portion, a portion having substantially parallel walls, a portion having a v-shape, and a curved portion. The grooves may also be characterized by various dimensions, including draft angle, inclusive side wall angle, width, depth, cross-sectional area, spacing, and pitch ratio. Preferred values for these dimensions are provided. A golf club head having a variety of groove types and a set of golf clubs with grooves varying among the individual clubs of the set are also disclosed. | 06-30-2011 |
