发明名称 Iron-type golf club head
摘要 An iron-type golf club head 1 having excellent durability and weight distribution design and comprising a metallic head body 1A having a face 2 for hitting a golf ball and a recess portion 13, and a metallic weight member 1B having a larger specific gravity than the head body 1A, the member 1B being fitted to and welded to the recess portion to form a part of the outer surface of the head body 1A, wherein at least one closed space 14 surrounded by the weight member 1B and the surface of the recess portion 13 is formed inside the head body.
申请公布号 US8342985(B2) 申请公布日期 2013.01.01
申请号 US20090412824 申请日期 2009.03.27
申请人 SRI SPORTS LIMITED;HIRANO TOMOYA 发明人 HIRANO TOMOYA
分类号 A63B53/00 主分类号 A63B53/00
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