发明名称 GOLF CLUB HEAD WITH NARROW-SPACED GROOVES
摘要 An iron-type golf club head with a body having a face. On the face is a plurality of grooves. The plurality of grooves has a depth of at least 0.016 inch to 0.022 inch and a width ranging from 0.021 inch to 0.027 inch. Further, each of the plurality of grooves has an edge radius ranging from 0.004 inch to 0.009 inch. Each of the plurality of grooves has a side wall angle ranging from 16 degrees to 24 degrees and each of the plurality of grooves is spaced from 0.073 inch to 0.083 inch from any other of the plurality of grooves.
申请公布号 US2011165963(A1) 申请公布日期 2011.07.07
申请号 US20100683899 申请日期 2010.01.07
申请人 CALLAWAY GOLF COMPANY 发明人 CACKETT MATTHEW T.;HOCKNELL ALAN;VINCENT BRANDON T.
分类号 A63B53/04 主分类号 A63B53/04
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