Games using tangible projectile – Golf – Club or club support
Patent
1998-08-20
1999-07-13
Nguyen, Kien T.
Games using tangible projectile
Golf
Club or club support
473346, 473350, A63B 5304
Patent
active
059218720
ABSTRACT:
A golf club having a crown of such an improved strength that it can be thin-walled. A head 1 is hollow and metallic. A number of depressions 26 are formed by forging, for example, on nearly an entire area on an outside surface of a crown 1a of the head 1. Thus, the strength of the crown 1a is improved, thus enabling it to be thin-walled. Accordingly, the head 1 can be large-sized, with its center of gravity being lowered.
REFERENCES:
patent: 5090702 (1992-02-01), Viste
patent: 5351958 (1994-10-01), Helmstetter
patent: 5601501 (1997-02-01), Kobayashi
patent: 5700208 (1997-12-01), Nelms
patent: 5704850 (1998-01-01), Shieh
K. K. Endo Seisakusho
Nguyen Kien T.
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