发明名称 Golf club head
摘要 A head 2 is hollow. The head 2 has a face 4, a crown 6 and a sole 8. A rib 20 is provided on the inner surface of the head. Preferably, the rib 20 has a toe side part 20t located on the inner surface of a side 10 of a toe side, a sole disposing part 20s located on the inner surface of the sole 8, and a heel side part 20h located on the side 10 of a heel side. Preferably, the toe side part 20t and the sole disposing part 20s are connected with each other. Preferably, the sole disposing part 20s and the heel side part 20h are connected with each other.
申请公布号 US8226500(B2) 申请公布日期 2012.07.24
申请号 US20090542088 申请日期 2009.08.17
申请人 YAMAMOTO AKIO;HAYASE SEIJI;SRI SPORTS LIMITED 发明人 YAMAMOTO AKIO;HAYASE SEIJI
分类号 A63B53/04 主分类号 A63B53/04
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