Patent ID: 7252596

Claim:
A putter alignment device for use on the shaft of a golf club, the device comprising: a viewer for attachment to the shaft, the viewer providing a view of a target in front of the club when the viewer is looked into from above, the viewer comprising: a parallelepiped reflection chamber, the chamber having a top and a front perpendicular to the top; a reflector within the reflection chamber; an upper barrel connected to the top of the reflection chamber, the upper barrel communicating with the reflector at a 45 degree angle, the upper barrel having a top and a bottom; a lower barrel connected to the front of the reflection chamber, the lower barrel communicating with the reflector at a 45 degree angle, the lower barrel having a front and a back; attachment means for attaching the viewer to the shaft of the club; adjustment means for adjustably positioning the viewer to be above a head of the club; a clamp assembly pivotally affixed to the viewer, the clamp assembly comprising: a parallelepiped clamp base having a length; a clamp removably affixed to the clamp base; a shaft receiver within the clamp and the clamp base; more than one tensioning knob removably affixing the clamp to the clamp base; a pivot rod extending from the length of the clamp base; a circlamp attached to a bottom of the reflection chamber of the viewer, the circlamp removably and slideably receiving the pivot rod of the clamp base; a tensioning knob within the circlamp, the tensioning knob for tightening the circlamp about the pivot rod, whereby the clamp assembly removably and pivotally fastens the viewer to the club shaft, the viewer laterally disposed from the club shaft to be positioned generally above the club head; sighting means for sighting the target through the viewer, whereby the head of the club is aligned with the target, the level indicating the slope of the target surface; an upwardly visible level disposed upon the lower barrel of the viewer, the level for indicating the planar position of the viewer with respect to the target and a target surface.