Apparatus for use by a golfer with a putter, and the method of its use, includes a member, removably and firmly attachable at/near its lower end to the shaft of the putter, and extending upwardly from the point of attachment and having an upper end, and the upper end of the member being adapted to contact an appropriate part of the anatomy of the golfer. When a golfer executes a correct putting stroke, the upper end of the member remains in contact with that part of the golfer's anatomy througho...

The invention is a putter training device which comprises a laser, housing for the laser, with to connect the laser to a battery source, a battery source, and a trigger. The housing, incorporating the laser is affixed to the putter face, the wire is wound around the shaft of the putter and the battery source/trigger is affixed to the grip of the putter. The invention is designed to be removed and reattached easily and without need for frequent adjustment or calibration. Proper use of the inventi...

A golf practice device is disclosed. In an embodiment, the golf practice device includes a first upper part and a second lower part. A hinge assembly rotatably connects the first upper part and the second lower part. The first upper part includes an interior sized to removably receive a golf ball for marking a center line on the ball. The second lower part has a base and includes an interior. Compressed powder to mark the golf ball is contained within the interior of the second lower part.

A detachable laser pointer is constructed to include a mounting base, the mounting base having a smoothly arched rear coupling groove for coupling to the shaft of a golf putter and a locating plate of C-shaped cross section upwardly extended from the smoothly arched coupling groove for plugging in between the shaft and grip of the golf putter and a front receiving groove, a joint rotatably coupled to the receiving groove, a laser module pivoted to the joint and adapted for emitting a laser beam ...

A golf club and golf ball marking and alignment device 10 which provides a method to place identification and or other indicia on the surface of a golf club head 34 and golf ball 38. The marking and alignment device 10 contains a well 14 that contains a arc for a golf club head 34 and a golf club head centering band 22 that provide a central window to mark the central dorsal surface of a golf club head 34. Marking and alignment device 10 also has a second well to accommodate a golf ball 38 and a...

A noise abating gear shift mechanism for an automotive transmission. The mechanism includes a gear shift lever, an insert member disposed within the gear shift lever releasably connected to the transmission, and a homogeneous resilient member surrounding the insert member. The gear shifting mechanism is effective to absorb transmission noise and vibration as well as maintain sufficient rigidity to provide firm shift capability.

A photosensor including a fiber substrate having a light receiving window formed in a surface thereof spaced from an information surface to be read, a bundle of optical fibers disposed in the fiber substrate and positioned in the light receiving window. A plurality of color filters of different characteristics are disposed on an end face of the bundle of optical fibers, and a plurality of arrays of photosensitive elements corresponding to the color filters are also provided. The arrays of photos...

A swing training device includes an axial hole and a gap communicated with the axial hole. A diameter of the axial hole is greater than or equal to a diameter of the neck of the head of the golf club. A width of the gap is greater than a diameter of the shaft of the club at a portion adjacent to the head, and the diameter of the neck is greater than the width of the gap. To mount the device of the present invention on a golf club, the device is fitted to the shaft via the gap, and then is moved ...

A training aid for monitoring and improving the orientation a golfer's hands while gripping the golf club as well as the golf club itself during the swing thereof, wherein the structure of the training aid is such as to allow it to be removably attached to the golf club and travel therewith during the swing without interfering with the normal path of the golf club during such swing. A base assembly comprises a housing removably connected to the club shaft and a reference assembly movably interco...

A sport-specific training and conditioning device for a sport using a hand-held implement having a grip portion, includes a handle shaped like the grip portion of the implement, the handle having first and second ends, and a weight on the second end of the handle, the center of mass of the weight being less than about 13 inches from the first end of the handle.