Golf clubs

Details Golf clubs Golf clubs

1998-01-14

1999-08-31

Chapman, Jeanette

Games using tangible projectile

Golf

Club or club support

473316, A63B 5312

Patent

active

059446161

ABSTRACT:
A tubular metal blank for the production of golf club shafts for iron clubs, the blank being at least 44" in length, having a cylindrical tip portion, a cylindrical butt portion, and an intermediate, integral, tapering portion, remaining parameters of the blank including the material, the taper angle, the length of the intermediate portion, and the wall thickness being so chosen as to produce a blank of a stiffness characteristic such that by appropriate trimming of the butt and tip portions of the blank, the blank can be used to produce a shaft for any golf club from a 1 iron to a sand wedge in any of the recognized flex ranges Tour Stiff, S, R and A. There is also disclosed a method of producing a golf club shaft and a means of determining how much to cut from the blank to produce a shaft.

REFERENCES:
patent: Re33735 (1991-11-01), Rumble
patent: 3963236 (1976-06-01), Mann
patent: 4070022 (1978-01-01), Braly
patent: 4122593 (1978-10-01), Braly
patent: 4455022 (1984-06-01), Wright
patent: 5163681 (1992-11-01), Hodgetts
patent: 5722899 (1998-03-01), Cheng
patent: 5776008 (1998-07-01), Lundberg
patent: 5821417 (1998-10-01), Naruo

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