Patent ID: 8740720
Filing Date: 2014-06-03
Classification: A63B

Abstract:
1. An extension device for a golf club shaft, comprising: a top piece, a bottom piece, an inner screw, and a grip to cover the device; the bottom piece fitted into a tubular opening of the golf club shaft; the top piece having a cylindrical opening traversing along its axis and a plurality of teeth extending from a lower surface; the bottom piece having a threaded center section and a plurality of receptacles corresponding in dimension and location to the teeth, wherein the top and bottom pieces can be pressed together; and the inner screw traversing through the top piece and having a threaded lower end which engages a treaded section of the bottom piece, wherein a golfer by using an appropriate tool can by turning the inner screw tightened the top piece into the bottom piece, wherein the top piece being available in varying lengths to provide varying shaft lengths and wherein the grip comprises a series of pleated rings that expand or contract in compliance with length adjustments of the shaft.