Matches 1 - 50 out of 96 1 2 >
Match Document Document Title
7625297 Golf club shaft with adjustable stiffness  
A golf club shaft having adjustable stiffness. An elongated tensioning member extends through the shaft and is mounted to both ends of the shaft. A tensioner assembly is mounted to the shaft and is...
7614963 Golf club shaft insert assemblies, insert assembly systems and apparatus for use with same  
Insert assemblies for use with a golf club shaft including an insert and an insert lock, insert assembly systems, and apparatus for use with insert assemblies.
7594861 Direct flex  
A one way action golf club flex modification system mounted within a golf club. The non-linear shape of the flex modification member engages the interior wall of the hollow shaft at two regions on...
7500921 Golf club shaft insert assembly  
An insert assembly for use with a golf club shaft including an insert and an insert lock.
7494423 Golf club shaft insert assemblies, insert assembly systems and apparatus for use with same  
Insert assemblies for use with a golf club shaft including an insert and an insert lock, insert assembly systems, and apparatus for use with insert assemblies.
7479069 Insert for altering the stiffness of a golf club shaft  
A golf accessory is provided that includes an insert for removably and interchangeably mounting within an interior of a golf club shaft for interchangeably altering a predetermined stiffness or...
7435187 Golf club incorporating a damping element  
A damping element for a golf club is disclosed. The damping element is utilized to reduce an amplitude of vibrations in the golf club. The damping element may be positioned within an interior void...
7399236 Golf club grip and golf club using the same  
A golf club grip includes: a grip body including a grip cylinder portion and a grip end portion disposed at one end of the grip cylinder portion and formed with a through-hole for communicating a...
7309294 Club shaft  
A club shaft composed of a club shaft body and a single- or multi-layered coating film covering said club shaft body, wherein said coating film includes a coating layer having good scratch or scuff...
7252597 Golf club assembly with recessed adjuster assembly  
A golf shaft having adjustable stiffness and frequency. A hollow golf shaft has a compression assembly disposed along and within the hollow shaft between the butt end and the bend point of the...
7226365 Shaft structure with adjustable and self-regulated stiffness  
A shaft structure with adjustable and self-regulating stiffness is provided for golf clubs, fishing rods, and the like. The shaft structure employs in a presently preferred form a hollow tube in...
7140973 Putter grip with improved vibration transmission to hands  
A putter or other golf club grip has rigid vibration transmitting protrusions either attached to the club shaft or in intimate contact with both the shaft and the golfer's hands, areas between said...
7090589 Golf swing trainer  
A golf swing trainer comprises a shaft having a grip end and a head end, and a weighted filling inside the shaft. The weighted filling comprises lead shot, tungsten powder, and polyurethane resin...
RE38983 Golf club shaft and insert therefor  
Golf clubs, golf shafts, and inserts for golf club shafts have a coil or coil-type insert for enhancing swing weight control, stiffness and flex control, shock absorption and vibration elimination...
6755752 Golf club adjusting tool, golf club and golf club adjusting method  
In order to provide an adjusting tool for a golf club to enhance directionability or a driving distance with a flex characteristics of a shaft which is suitable for the taste of a player, there is...
6671642 Method of evaluating energy loss of golf ball  
At step 1, a golf ball model is divided into a large number of elements composed of a large number of nodal points in the form of meshes; a physical property of a material for the golf ball is...
6656058 Torque minimization apparatus for a golf club  
A torque reduction and swing improvement arrangement for a golf club. The arrangement comprises a hallow elongated golf club shaft with a longitudinal axis therewithin, having a handle portion at...
6641489 Golf club shaft with suppressed vibration modes  
A golf club having suppressed vibration modes is disclosed. The club comprises a shaft, a golf club head, a grip and a plurality of discrete shaft stiffeners. The shaft stiffeners are strategically...
6595868 Filled arrow shaft and method of making same  
A filled shaft for an arrow. The filled shaft includes an elongated cylindrical tube and at least one foamed resin filling substantially the elongated cylindrical tube from end to end. The shaft...
6575854 Automatic adjusting device for adjusting the position of the center of gravity of an object  
An automatic adjusting device for adjusting the position of the center of gravity of an object comprises a weighting element, an elastic element, a base seat, and a hollow tube body. One end of the...
6544129 Shock and vibration dampening device for a golf club  
A vibration dampening device ( 10 ) for use on the shaft ( 101 ) of a golf club ( 100 ) to reduce the vibration generated along the shaft ( 101 ) of a golf club ( 100 ) by a mis-hit golf shot...
6431995 Golf club head with non-metallic filled cavity  
The golf club of the present invention is comprised of an elongated shaft and a club head, where the club head further includes a striking face, a front toe region, a rear heel region, and opposing...
6394909 Golf club with fixed-tension shaft  
A golf club having a hollow shaft whose flexibility is determined by the tension on a wire coinciding with the shaft longitudinal axis. The is attached between a fixed assembly in the handle and a...
6361451 Variable stiffness shaft  
An variable shaft, for example for a golf club. A hollow shaft has a cable or wire in the center, and means for varying the tension of the cable or wire. Increasing tension on the cable or wire...
6354960 Golf club shaft with controllable feel and balance using combination of fiber reinforced plastics and metal-coated fiber-reinforced plastics  
A golf club shaft is formed with an elongated body using a combination of fiber-reinforced plastics and metal-coated fibers to obtain the optimally characterized golf club for a particular player....
6354958 Vibration damper for a golf club  
A vibration damper for use with a golf club having a shaft having a grip at a first end for gripping the club and a head at a second end for striking a golf ball. The grip is constructed of an...
6319147 Iron golf club set  
Disclosed is an iron golf club set which comprises a plurality of golf clubs of different counts, each golf club having a steel shaft, wherein a steel shaft of a shorter golf club is set heavier...
6302805 Golf club shaft with improved performance characteristics  
A club shaft for a golf club and method for making a club shaft for a golf club are provided herein. The club shaft includes a shaft butt section, a shaft tip section and a shaft intermediate...
6257997 Adjusting stiffness and flexibility in sports equipment  
A sports apparatus with variable directions of stiffness and flexibility, including sports equipment having a body; and a flexure resistance spine that is elongated and is stiffer and less flexible...
6241623 Golf club with adjustably flexible shaft  
A golf club having a hollow shaft whose flexibility is altered by rotating the club handle. Change in flexibility results from change in tension on a wire coinciding with the shaft longitudinal...
6231456 Golf shaft vibration damper  
A vibration damping insert adapted to be positioned within the hollow tubular shaft of a golf club. The insert includes a central rod member sized to fit within the hollow shaft of the club and a...
6196935 Golf club  
A golf club includes an electroactive assembly attached to the club and electrically tuned to capture energy from one or more vibrational modes with high efficiency. More generally, a sports...
6117028 Shock absorbing device for use in ballgame goods having tubular rod-shaped body  
A shock-absorbing device is designed for use in ballgame goods having a tubular rod-shaped body and is composed of a tubular body and a weight. The tubular body is made of a soft elastic material....
6117021 Golf club shaft  
A set of golf shafts is disclosed. The set comprises a plurality of shafts that decrease in length along the set. Each shaft includes a reverse taper section disposed a distance from the tip...
6113508 Adjusting stiffness and flexibility in sports equipment  
A sports apparatus with variable directions of stiffness and flexibility, including sports equipment having a body with an elongated cavity; and a stiffening rod that is elongated and has a...
6056646 Golf club shaft with inner member  
A golf club comprising a shaft, having a handle end where grip may be installed and a head end where head may be installed, said shaft is characterized by having a concentric inner member, at least...
6042485 Vibration damping device  
A vibration damping device including an elastic main body portion and a plurality of damping members. Each of the damping members have at least a portion thereof within the elastic main body...
5971864 Thrust powered golf club  
A golf club for impelling a golf ball further with thrust force assist. Pressurized fluid from a fluid pump enters the club through the handle assembly and exits out through a fluid nozzle at the...
5968621 Tubular member  
A tubular member for use as a fishing rod, a golf club shaft or the like, in which the member is formed of a plurality of layers containing carbon fiber impregnated with resin, with the layers...
5943758 Fabrication of a hollow composite-material shaft having an integral collar  
A hollow golf club shaft is prepared by flag rolling a base layer of composite material pieces over a mandrel having a larger-diameter region and a reduced-diameter region. The base layer is...
5938542 Golf shaft with bulge section  
A composite shaft used in the manufacture of golf clubs includes a straight shaft of tapered form extending between an upper butt end a lower tip end. A radially outwardly protruding bulge section...
5904628 Golf club  
Various forms of golf clubs are disclosed, which include one or more inflatable bladders in the golf club head and/or golf club shaft, as well as internal and external grooving of the golf club...
5902656 Dampers for internal applications and articles damped therewith  
The present invention provides a damper comprising a compressible and resilient shaft and at least one constrained layer damping section attached to the exterior of the shaft via an adhesive. The...
5857694 Adaptive sports implement  
A sports implement including an electroactive element, such as a piezoceramic sheet attached to the implement and a circuit attached to the electroactive element. The circuit may be a shunt, or may...
5842933 Implement grip with built-in shock absorber  
An implement grip having a built-in shock absorber. The shock absorber may have a coiled configuration or interspersed coils. Implements range from sports equipment such as golf clubs, tennis...
5795244 Golf club shaft with an airfoil channel  
A golf club shaft is disclosed. The golf club shaft includes an elongated tubular member having an outer surface and a longitudinal axis. The elongated tubular member has a plurality of channels...
5788586 Golf club having vibration damping device and method for making same  
A golf club having a vibration damping device including a club head, a shaft connected to the club head having resonant frequencies over a predetermined range and a rod disposed within the shaft...
5766090 Vibration dampening material for putter shafts  
An improved putter of the type which has a filled hollow shaft. The improved putter has a shaft which is filled with a resin, which in turn, is filled with micro-balloons. The filling bonds to the...
5766089 Golf club  
The invention relates to a golf club by which a soft ball hitting feeling can be obtained while the excellent orientation of a ball peculiar to a hollow metallic head is maintained. A shaft is...
5735752 Golf club shaft and insert therefor  
Golf clubs, golf shafts, and inserts for golf club shafts have a coil or coil-type insert for enhancing swing weight control, stiffness and flex control, shock absorption and vibration elimination...
Matches 1 - 50 out of 96 1 2 >