Games using tangible projectile – Golf – Club or club support
Reexamination Certificate
2003-12-08
2008-07-22
Hunter, Alvin A (Department: 3711)
Games using tangible projectile
Golf
Club or club support
C473S345000
Reexamination Certificate
active
07402113
ABSTRACT:
A golf club head and a golf club provided with the golf club head. The head has outer shell structure portions including a hosel portion, a face portion, a sole portion, a crown portion, and a side portion and a joining portion where a crown member used in the crown portion is bonded to a member used in another outer shell structure portion. The member to be used as the crown member has an equivalent rigidity not more than 0.8 times as high as that of a sole member used in the sole portion where the equivalent rigidity of a member used in any one of the outer shell structure portions is defined as the product of the thickness of the relevant member and the elastic modulus of the member in a direction in which a golf ball-striking surface of the face portion is oriented.
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Mori Tomoaki
Nakahara Norihiko
Nishizawa Yoh
Saegusa Hiroshi
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Hunter Alvin A
The Yokohama Rubber Co. Ltd.
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