Master shaft and method of making golf club shafts therefrom

Details Master shaft and method of making golf club shafts therefrom Master shaft and method of making golf club shafts therefrom

1981-11-09

1984-06-19

Marlo, George J.

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

273 80B, 273DIG007, 428 36, A63B 5310

Patent

active

044550227

ABSTRACT:
A hollow, tapered master shaft is made of glass fiber cloth impregnated with synthetic polyester resin and has a length of about 55 inches, a wall thickness of about 0.03-0.06 inch, a butt end outside diameter of about 0.80-0.88 inch and a tip end outside diameter of about 0.35-0.42 inch. A golf club shaft is made from this master shaft by cutting away a portion of the length of the master shaft, from one or both ends, to derive the desired length, flexure and butt and tip dimensions.

REFERENCES:
patent: 1594801 (1926-08-01), Stackpole
patent: 2934345 (1960-04-01), Scott
patent: 3313541 (1967-04-01), Benkoczy et al.
patent: 3963236 (1976-06-01), Mann
patent: 4122593 (1978-10-01), Braly
patent: 4240631 (1980-12-01), MacDougall

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