Games using tangible projectile – Golf – Club or club support
Patent
1998-07-29
1999-06-22
Nguyen, Kien T.
Games using tangible projectile
Golf
Club or club support
473345, 473349, 29447, A63B 5304
Patent
active
059137355
ABSTRACT:
A golf club head includes a hollow head body having a bottom opening and a sole member welded to the hollow head body, both of which are made of titanium or titanium alloy. An upwardly-opened weight-fitting concave portion is formed on an inner surface of the sole member. A protrusion is formed on the inner surface of the concave portion. A weight made of a metallic material such as brass is formed. The weight is forcibly fitted into the concave portion and the protrusion of the concave portion is forcibly inserted in the bottom surface of the weight, whereby the weight is fixed in the concave portion. Then, the sole member with the weight is welded to the hollow head body.
REFERENCES:
patent: 4180269 (1979-12-01), Thompson
patent: 4630825 (1986-12-01), Schmidt
patent: 4714252 (1987-12-01), Roraback
patent: 5193811 (1993-03-01), Okumoto
patent: 5294037 (1994-03-01), Schmidt
patent: 5421577 (1995-06-01), Kobayashi
patent: 5774970 (1998-07-01), Huang
Nguyen Kien T.
Royal Collection Incorporated
LandOfFree
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