| US 7,530,901 B2 | ||
| Golf club head | ||
| Yasunori Imamoto, Tokyo (Japan); and Hisashi Yamagishi, Tokyo (Japan) | ||
| Assigned to Bridgestone Sports Co., Ltd., Tokyo (Japan) | ||
| Filed on Oct. 19, 2005, as Appl. No. 11/252,801. | ||
| Claims priority of application No. P2004-305910 (JP), filed on Oct. 20, 2004. | ||
| Prior Publication US 2006/0084525 A1, Apr. 20, 2006 | ||
| Int. Cl. A63B 53/04 (2006.01) | ||
| U.S. Cl. 473—334 [473/345; 473/347; 473/349] | 8 Claims |
| 1. A hollow golf club head comprising:
a fiber-reinforced-plastic body including a main portion of a crown portion; and
a metal body including a face portion, a front edge portion of the crown portion continuous with the face portion, and a central
portion of a sole portion in a toe-heel direction, wherein:
the front edge portion of the crown portion made of a metal defines a recess portion in an upper surface thereof,
a front edge portion of the fiber-reinforced-plastic body overlaps and is joined to the front edge portion of the crown portion
made of the metal; and
the central portion of the sole portion narrows as the sole portion extends from a front to rear direction, wherein a front
part of the sole portion comprises a groove portion which extends in a heel-toe direction.
|