Matches 1 - 42 out of 42
Match Document Document Title
6705952 Golf club with an internal mechanism for measuring the force of a golf swing  
A golf club with an internal mechanism for measuring the force of a golf swing, and consequently, the distance a golf ball will travel when hit by the golf swing. The mechanism comprises a marker...
6648769 Instrumented golf club system & method of use  
An instrumented golf club system having an instrumented golf club, an interface means and a computing means is disclosed herein. The instrumented golf club includes a plurality of sensors, an...
6558267 Golf training aid  
A hinged golf training club having a hinge that pivots at a zero degree angle relative to the reference plane 42 of zero degree clubhead 32. The club looks substantially like and acts...
6441745 Golf club swing path, speed and grip pressure monitor  
The golf club has a head and a shaft. A three axis linear accelerometer is mounted on the shaft adjacent to the head. The axis of one accelerometer is in parallel alignment with an axis of the...
6440005 Golf club  
A small fin extends radially aft from a golf club head to resist rotation of a golf club shaft about its longitudinal axis. The fin is aligned relative to the club head so as to produce minimum...
6431992 Golf swing training club  
A golf swing training club that trains a golfer to square more accurately the golf club face during the swing for improving the golfer's swing and golf game. The golf swing training club generally...
6398664 Practice golf club  
The present invention relates to a practice golf club which enables a beginner to learn not to reduce his driving range and correct an impact misbehavior due to an excessive force on a grip during...
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...
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...
6007341 Golf swing training device  
A golf swing training device includes a plurality of elongate shaft sections connected by a hinge apparatus having a plurality of distinct hinge axes, a club head secured to one of the shaft...
5997408 Training aid for chipping and putting  
A golf training aid for establishing an idealized golf club position and swing path for short golf swings is attachable to a golf club adjacent the club grip. The training aid has a shaped,...
5807183 Golf-swing training device  
A golf-swing training device includes an elongated cylindrical member which has a first end, an open second end, and a tubular channel that extends between the first end and the open second end. A...
5700205 Sports training system  
A system measures and records deflection of an elongated shaft such as the shaft of a golf club and provides a trace or diagram of the swing of the club. The system includes an elongated rod,...
5672117 Articulated putter with sighting device  
A golf putter club having a stationary grip portion hingedly mounted to a swingable shaft portion. A head mounted at its center of gravity to the remote end of the shaft. An alignment mark visible...
5634857 Golf club having angularly adjustable shaft  
The proximal and distal parts of a golf club shaft that has been cut into two parts are pivotally interconnected to one another and are releasably lockable into any one of a plurality of different...
5599021 Golf swing muscle articulator and rehabilitation device  
A sports swing exercise device composed of a weight attached to a shaft by means of a spring. When the shaft is swung, the muscles used in the swing are not only strengthened with repeat use, they...
5527038 Golf teaching aid  
A golf swing teaching aid golf club is provided herein. It includes a golf club which is simple in construction and is devoid of complicated mechanical, electrical or electronic gadgetry. The golf...
5505454 Golf swing practice device  
Disclosed herein is a golf swing practice device or training aid which aids a golfer in developing and/or maintaining the rhythm and dynamics of a proper swing based principally on the smooth...
5489100 Training golf clubs  
A training golf club with a spring-loaded hinge between two club half-shafts which "breaks" if the club swing is skewed or jerky is disclosed. First and second main hinge components lie side by...
5454568 One way breaking golf swing training club  
A live-action golf swing training device provides the user with a proper take-away for his or her swing by using a one-way breaking joint which supports the alignment of the club on impact with a...
5439226 Training apparatus for golfers  
A training apparatus for golfers which assists the golfer to hold the golfer's head steady during his swing. The apparatus has a stand which supports two thin flexible rods which extend outwardly...
5405139 Golf swing improvement device  
A golf swing training device comprised of a shaft with a grip over which a tubular elastomeric member is fitted. The tubular elastomeric member has one end affixed adjacent to the grip and the...
5370396 Pivoting golf club  
Disclosed herein is an improved golf club having an improved one-way hinge which is more durable than hinges used on typical hinged golf clubs. The hinged golf club includes a tubular shaft divided...
5362048 Golf club  
A golf club has a head having a generally forwardly directed face constructed for striking a golf ball, a shaft extending outwardly from the head and having a grip portion thereon for gripping the...
5338035 Practice golf club  
A practice golf club is presented. In accordance with the present invention, the practice golf club comprises upper and lower shafts connected by a one-way hinge. The one-way hinge is located near...
5277427 Golf training club  
The club has a hinge interposed on a shaft between the hand grip and club head, the hinge allowing the shaft to articulate about thirty degrees in both a front and back direction from the...
5255994 Adjustably tensioned snap-release joint for an exercise golf club  
An adjustably tensioned snap-release joint for use as a golf club swing training device is described which includes an upper shaft insert, a lower shaft insert, a screw inserted into a first bore...
5205561 Golf club  
A golf club in which the head of the club is hinged to the shaft such that the head breaks or pivots rearward with respect to the shaft when, during a golf swing, the club does not follow a...
5190291 Golf club which provides sensory information during a swing  
A golf club includes an extremely flexible shaft (22) which is cylindrical and has a high flex point relative to the head (24). Twisting of the flexible shaft (22) under the influence of an...
4889343 Golf swing trainer  
A golf club swing trainer has a handle portion and a shank portion connected together by a pivotable connecting assembly. One or more weights are connected to, and off-set from, the lower part of...
4856782 Release-jointed golf club  
A golf club includes an articulated release joint connecting the lower and upper sections of the shaft in alignment. The release joint includes a lower link fixed to the lower section of the shaft...
4580785 Golf club  
A golf club is provided which will enable a golf player to easily determine when he has executed an improper swing known as a "twist swing". The golf club of the present invention is characterized...
4548413 Game device  
A game device for holding and propelling a ball therefrom upon swinging movement which includes an elongated shaft with a chute member for holding the ball. The chute member is pivoted to the shaft...
4453716 Transverse force indicating device for swing teaching  
A transverse force indicating device for assisting in the teaching of a smooth swing for a golf club or other rod-like object includes a joint apparatus interconnecting bifurcated guide rods on a...
4367871 Articulable training device for racquet sports and the like  
An articulable training device, particularly adapted for continuously reinforcing proper stroking or serving techniques necessary to successfully play various racquet sports such as tennis, is...
4090711 Golf club shafts including vibratory means  
There is disclosed a vibratory apparatus for use in conjunction with a golf club and located within the hollow confines of a tubular shaft portion of said club. The apparatus comprises first and...
3679205 TENNIS RACKET FOR DEVELOPING TENNIS SWING  
A tennis racket is provided with a hinge intermediate the handle and racket head for providing hinged movement of the racket in the plane of the racket head. The hinge is preferably provided with a...
3318602 Golf club having a handle with vibration sensing means  
3229980 Practice golf club  
3180308 Golf club shaft indicator  
3033575 Practice golf club  
3606340 Title is not available  
Matches 1 - 42 out of 42