| US 7,530,903 B2 | ||
| Golf club head | ||
| Yasunori Imamoto, Tokyo (Japan); and Hisashi Yamagishi, Tokyo (Japan) | ||
| Assigned to Bridgestone Sports Co., Ltd., Tokyo (Japan) | ||
| Filed on Oct. 03, 2005, as Appl. No. 11/240,364. | ||
| Claims priority of application No. 2004-291558 (JP), filed on Oct. 04, 2004. | ||
| Prior Publication US 2006/0073910 A1, Apr. 06, 2006 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. A63B 53/04 (2006.01) | ||
| U.S. Cl. 473—335 [473/345; 473/347; 473/349] | 13 Claims |
| 1. A hollow golf club head comprising:
a face portion made of metal;
a sole portion;
a side portion;
a crown portion;
a hosel portion, and
a first weight member made of a metal material, wherein:
a front edge portion of the side portion and a front edge portion of the sole portion are made of the metal and are continuous
with the face portion,
a the metallic portion of the sole portion extends to a rear face portion of the golf club head, and
the first weight member is provided at a rear portion of the metallic portion of the sole portion; wherein:
the crown portion comprises:
a main portion made of a fiber reinforced resin; and
a front edge portion made of the metal,
the front edge portion of the crown portion is continuous with the face portion,
the sole portion comprises a center portion made of the metal in a toe-heel direction, and
a weight of a portion made of the fiber reinforced resin including the main portion of the crown portion is in a range of
5% to 30% of a total weight of the golf club head.
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