发明名称 Golf putter head
摘要 A golf putter head includes a hollow-structured body frame made of a metal material having a specific gravity of 4 to 9, which includes a face forming a recess, a crown forming in a center thereof a depression occupying at least 35% of an entire area of the crown, a toe, a heel, first and second sides extending backward from the toe and the heel respectively, a back connecting the first side and the second side, and a sole. A weight distribution is provided so that the toe, the heel, and the back are increased in wall thickness relative to a remaining portion. A face member made of a material having a specific gravity of 0.9 to 3 is attached to the recess of the face. A crown member made of the material having the specific gravity of 0.9 to 3 is attached to the depression of the crown.
申请公布号 US7435188(B2) 申请公布日期 2008.10.14
申请号 US20050313619 申请日期 2005.12.22
申请人 BRIDGESTONE SPORTS CO., LTD. 发明人 TATENO ATSUO;IMAMOTO YASUNORI
分类号 A63B53/04 主分类号 A63B53/04
代理机构 代理人
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