Golf club set and golf club shaft set

Details Golf club set and golf club shaft set Golf club set and golf club shaft set

2007-01-30

2007-01-30

Blau, Stephen (Department: 3711)

Games using tangible projectile

Golf

Club or club support

C473S319000

Reexamination Certificate

active

11127111

ABSTRACT:
Disclosed is a golf club set having harmonized golf club performance among the club numbers. In the golf club set, for at least three golf clubs, a ratio or a sum of a frequency, the frequency being measured by vibrating a tip portion of a golf club shaft constituting each of the golf clubs, and a frequency, the frequency being measured by vibrating a rear end portion of the golf club shaft, is determined in relation with order of the club number.

REFERENCES:
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patent: 5924936 (1999-07-01), Penley
patent: 6607450 (2003-08-01), Hackman

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