Patent ID: 9089750
Filing Date: 2015-07-28
Classification: A63B

Abstract:
1. An extension device for use on a butt-end of a golf club shaft, comprising: an upper part having first and second ends and a first portion having a first and second end; a lower part provided in an upper tubular opening of the golf club shaft; and a connecting device provided within the upper part and extending from a second end of the upper part, a distal portion of the connecting device threadably connected to the lower part; wherein the connecting device is engageable to adjust the position of the lower part relative to the upper part, and wherein the first portion of the upper part is secured to an inner surface of a grip and a second portion of the upper part remains unconnected to the grip, and wherein at least a portion of the second portion of the upper part is provided within a first end of the lower part, the lower part being slidable over the second portion of the upper part, such that engagement of the connecting device adjusts a distance between the first end of the lower part and the second end of the first portion of the upper part.