Golf club head

Details Golf club head Golf club head

1992-12-01

1994-09-20

Millin, Vincent

Amusement devices: games

Puzzles

Take-aparts and put-togethers

273167H, 273DIG23, A63B 5304

Patent

active

053483022

ABSTRACT:
A golf club head includes: a hosel portion for connection with a shaft; and a base metal body formed integrally with the hosel portion by a metal material so as to continue to the hosel portion, the base metal body being constituted by a sole portion, a top portion and a space portion formed between the sole portion and the top portion and filled with a filling member, the sole portion and the top portion being formed so as to be substantially equal in weight to each other, the space portion being placed in a sweet-spot corresponding position so that the space portion corresponds to a sweet spot, the filling member being formed by a material smaller in specific gravity than the base metal body.

REFERENCES:
patent: 3211455 (1965-10-01), Hyden
patent: 4438931 (1984-03-01), Motomiya
patent: 4523759 (1985-06-01), Igarashi
patent: 4728105 (1988-03-01), Kobayashi
patent: 4792139 (1988-12-01), Nagasaki et al.
patent: 4793616 (1988-12-01), Fernandez
patent: 4890840 (1990-01-01), Kobayashi
patent: 4928972 (1990-05-01), Nakanishi et al.
patent: 5007643 (1991-04-01), Okumoto et al.
patent: 5009425 (1991-04-01), Okumoto et al.
patent: 5135227 (1992-08-01), Okumoto et al.
patent: 5184823 (1993-02-01), Desbiolles et al.

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