Golf club head
AssigneeDaiwa Golf Co., Ltd.
InventorsAkinori Sasamoto, Yuichi Aizawa
Life of this patent
Estimating the term…
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.
Claims14
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.
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,
- 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.
Dependencies are inferred from the claim text.