Golf club shaft

Details Golf club shaft Golf club shaft

1993-05-11

1998-02-10

Passaniti, Sebastiano

Games using tangible projectile

Golf

Club or club support

473323, 273DIG23, A63B 5310

Patent

active

057162913

ABSTRACT:
Tubular golf club shaft made from composite materials comprising layers of fibers impregnated with plastic resin and provided over its length with at least one area of enlargement and/or narrowing. The curve of generation of the internal diameter of the shaft as a function of its length beginning at the point of the smallest internal diameter and extending to at least one of the ends of the shaft incorporates at least one decreasing portion.

REFERENCES:
patent: 1565069 (1925-12-01), Edwards
patent: 1670531 (1928-05-01), Cowdery
patent: 2040540 (1936-05-01), Young
patent: 2250429 (1941-07-01), Vickery
patent: 2250441 (1941-07-01), Vickery
patent: 2809144 (1957-10-01), Grimes
patent: 3764137 (1973-10-01), Petro
patent: 4131701 (1978-12-01), Vanauken
patent: 4319750 (1982-03-01), Roy
patent: 4836545 (1989-06-01), Pompa
patent: 5083780 (1992-01-01), Walton et al.

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