Golf club head
First Claim
Patent Images
1. A golf club head comprising:
- a one-piece base metal body including an integral hosel portion adapted to be connected to a shaft of a golf club, an integral sole portion and an integral top portion, said base metal body defining a space between said sole portion and said top portion; and
a filling member filled in said space, and wherein;
said sole portion and said top portion are substantially equal in weight to each other;
the center of gravity of the golf club head is positioned at a substantially middle portion between said sole portion and said top portion within said space; and
said filling member is formed of a material smaller in specific gravity than said base metal body.
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Accused Products
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.
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Citations
14 Claims
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1. A golf club head comprising:
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a one-piece base metal body including an integral hosel portion adapted to be connected to a shaft of a golf club, an integral sole portion and an integral top portion, said base metal body defining a space between said sole portion and said top portion; and a filling member filled in said space, and wherein; said sole portion and said top portion are substantially equal in weight to each other; the center of gravity of the golf club head is positioned at a substantially middle portion between said sole portion and said top portion within said space; and said filling member is formed of a material smaller in specific gravity than said base metal body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A golf club head comprising:
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a one-piece base metal body including; an integral hosel portion adapted to be connected to a shaft of a golf club, an integral sole portion, an integral top portion opposite said sole portion, said base metal body defining a space between said sole portion and said top portion; and a filling member filling in said space, said filling member defining a facing surface proximate a hitting surface for hitting a golf ball, and a rear surface opposite said facing surface, said space extending through said base metal body from said facing surface to said rear surface, wherein said sole portion and said top portion are substantially equal in weight to each other; the center of gravity of the golf club head is positioned at a substantially middle portion between said sole portion and said top portion within said space; and said filling member is formed of a material smaller in specific gravity than said base metal body. - View Dependent Claims (14)
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Specification