发明名称 GOLF CLUB WITH STABLE FACE ANGLE
摘要 A golf club having a golf club head 20 with a keel zone that makes the actual face angle of the golf club appear differently when the golf club is at address. The golf club head 20 has a keel zone that is preferably 0.5 inch wide in the fore-aft direction and 1.0 inch wide in the heel-toe direction, which changes the appearance of the face angle while the golf club is at address.
申请公布号 US2011039637(A1) 申请公布日期 2011.02.17
申请号 US20100692447 申请日期 2010.01.22
申请人 CALLAWAY GOLF COMPANY 发明人 CACKETT MATTHEW T.;HOCKNELL ALAN
分类号 A63B53/04 主分类号 A63B53/04
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