| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 473239000 | Adjustable shaft length | 6 |
| 20090143159 | STRIKE FORCE INDICATOR - A golf club providing a universal training tool for golfers of all sizes is disclosed. The golf club includes an adjustable length shaft having a club head secured at one end thereof and a handle secured at the other end thereof, a sensor circuit disposed in the club head, wherein the sensor circuit includes a first sensor adapted to generate and transmit a first measurement signal representing a first desired characteristic of the golf club, and a display circuit disposed in the handle, wherein the display circuit is adapted to receive the first measurement signal, analyze the first measurement signal, and transmit an output to a user in response to the analysis of the first measurement signal. | 06-04-2009 |
| 20100167830 | SWING ALIGNMENT DEVICE - A swing alignment device ( | 07-01-2010 |
| 20110165956 | Smart Golf Club - A golf club that gives instant feedback for helping a player improve his/her ball striking skills while practicing a swing where the golf club has a shaft which is permanently or removably attached to the club head and the club head may have added weights. A shaft extension is attached to the heel of the club face. The toe area of the club head is higher than the club face and the toe and toe area curves down with a sharp indentation. | 07-07-2011 |
| 20140121031 | VARIABLE LENGTH SHAFT AND GRIP - A variable length shaft assembly comprising a shaft, a shaft adapter, a grip sleeve, an actuator screw, a grip, and a screw is disclosed herein. The grip is bonded to the grip sleeve, the shaft adapter is bonded to the shaft, and the shaft adapter comprises a keyed portion that mates with a keyed structure inside of the grip sleeve. The actuator screw comprises external threads that mate with internal threads inside the grip sleeve, and the location of the actuator screw within the grip sleeve can be adjusted with a wrench. Once the actuator screw is at a desired location within the grip sleeve, the shaft is semi-permanently fixed to the grip sleeve by releasable affixing the keyed structure of the shaft adapter to the actuator screw with the screw. The overall length of the assembly can be adjusted and fine-tuned using these structures. | 05-01-2014 |
| 20140335966 | VARIABLE LENGTH SHAFT AND GRIP - A variable length shaft assembly comprising a shaft, a shaft adapter, a grip sleeve, an actuator screw, a grip, and a screw is disclosed herein. The grip is bonded to the grip sleeve, the shaft adapter is bonded to the shaft, and the shaft adapter comprises a keyed portion that mates with a keyed structure inside of the grip sleeve. The actuator screw comprises external threads that mate with internal threads inside the grip sleeve, and the location of the actuator screw within the grip sleeve can be adjusted with a wrench. Once the actuator screw is at a desired location within the grip sleeve, the shaft is semi-permanently fixed to the grip sleeve by releasably affixing the keyed structure of the shaft adapter to the actuator screw with the screw. The overall length of the assembly can be adjusted and fine-tuned using these structures. | 11-13-2014 |
| 20150375080 | GOLF SWING TRAINER - One aspect provides a golf swing trainer for training a golfer to achieve a tour impact position during execution of a golf swing. The golf swing trainer includes a first element which selectively secures to a grip end of a golf club, and a second element coupled to the first element and moveable between a retracted position and an extended position. The second element moves from the retracted position to the extended position by the force of gravity during a backswing of the golf club by a golfer, wherein the second element contacts a midsection of the golfer when in the extended position when the wrists of the golfer are not bent back during a downward portion and an impact portion of a forward swing. | 12-31-2015 |
