Golf club head

Games using tangible projectile – Golf – Club or club support

Reexamination Certificate

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Details

C473S345000, C473S350000, C473S346000

Reexamination Certificate

active

11001046

ABSTRACT:
To provide a golf club head in which a sole portion has a high rigidity. A weight material is mounted near a central part of the sole portion in the fore-to-aft direction, and a rib extends in the toe-to-heel direction. Since the sole portion has high rigidity in the toe-to-heel direction, there is less deformation of the head in the toe-to-heel direction when hitting the ball, thereby suppressing the vibration of the sole portion. An elastic body is filled in a recess portion and closely contacted with the weight material, whereby the vibration of the sole portion is absorbed by the elastic body.

REFERENCES:
patent: 4313607 (1982-02-01), Thompson
patent: 4319752 (1982-03-01), Thompson
patent: 4429879 (1984-02-01), Schmidt
patent: 4438931 (1984-03-01), Motomiya
patent: 4602787 (1986-07-01), Sugioka et al.
patent: 5316305 (1994-05-01), McCabe
patent: 5941782 (1999-08-01), Cook
patent: 6254494 (2001-07-01), Hasebe et al.
patent: 6340337 (2002-01-01), Hasebe et al.
patent: 6595871 (2003-07-01), Sano
patent: 6773360 (2004-08-01), Willett et al.
patent: 6783465 (2004-08-01), Matsunaga
patent: 2-88677 (1990-03-01), None
patent: 2001-104520 (2001-04-01), None
patent: 2001-129130 (2001-05-01), None
patent: 2001-212272 (2001-08-01), None
patent: 2001-353240 (2001-12-01), None
patent: 2003-88601 (2003-03-01), None

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