发明名称 Golf Club Head
摘要 The present invention provides a golf club head that can hit a ball with a sufficiently large amount of backspin. The golf club head according to the present invention is an iron type golf club head made of a metal and including a flat face. A plurality of traces are formed by milling on the face. The pitch of the traces is between 0.1 mm and 1 mm.
申请公布号 US2011081985(A1) 申请公布日期 2011.04.07
申请号 US20100965366 申请日期 2010.12.10
申请人 BRIDGESTONE SPORTS CO., LTD. 发明人 YAMAGISHI HISASHI;IMAMOTO YASUNORI
分类号 A63B53/04 主分类号 A63B53/04
代理机构 代理人
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