Golf club shaft, grip and socket

Details Golf club shaft, grip and socket Golf club shaft, grip and socket

1997-11-20

1999-06-22

Wong, Steven

Games using tangible projectile

Golf

Club or club support

A63B 5310, A63B 5312

Patent

active

059137347

ABSTRACT:
With respect to the cross-sectional profile of the shaft, the grip and the socket of a golf club in the direction perpendicular to the center axis line thereof, the inside portion which is located inwardly from the center axis line is formed of a material having a larger specific gravity than the outside portion (at the head side) which is located outwardly from the center axis line to provide a weight difference between the outside and inside portions of each of the shaft, the grip and the socket with making no variation to the shape of the cross-sectional profile. The weight difference is set to such a value that when the shaft, the grip or the socket is rolled on the horizontal plane, each is stopped with the same portion placed face down. More specifically, the weight difference between the outside (upper) portion and the inside (lower) portion with respect to the center axis line is set to 2 g or more for the shaft, 3 g or more for the grip and 0.1 g or more for the socket.

REFERENCES:
patent: 3972529 (1976-08-01), McNeil
patent: 5083780 (1992-01-01), Walton
patent: 5242721 (1993-09-01), Oonuki
patent: 5324032 (1994-06-01), Minami
patent: 5759113 (1998-06-01), Lai

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