Games using tangible projectile – Golf – Club or club support
Patent
1998-07-21
2000-02-22
Chapman, Jeanette
Games using tangible projectile
Golf
Club or club support
473350, A63B 5304
Patent
active
060274158
ABSTRACT:
A set of iron golf clubs whose balance weights are able to be easily manufactured, with a well-harmonized design as a set of golf clubs. The specific gravity of the materials of balance weights 17 are changed per each club number. Thus, the weight of the respective balance weights 17 can be changed per each club number, without changing the shape and size thereof. For example, the specific gravity of the materials of the balance weights 17 may be made larger as the club number increases, thus enabling the setting of the weight of the respective heads 1 for each club number, with the weight of the respective head body 17 being kept substantially constant.
REFERENCES:
patent: 4555112 (1985-11-01), Masghati
patent: 4869507 (1989-09-01), Sahm
patent: 5062638 (1991-11-01), Shira
patent: 5423535 (1995-06-01), Shaw
patent: 5549297 (1996-08-01), Mahaffey
patent: 5879243 (1999-03-01), Hackman
Blau Stephen L.
Chapman Jeanette
Kabushiki Kaisha Endo Seisakusho
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