发明名称 Golf club face
摘要 A new golf club face design is disclosed in which different regions of grooves are provided in the vertical direction of the club face to impose different roll/bite characteristics on a golf ball depending on where the golf ball contacts the club face. In one embodiment, the golf club face has three characteristic regions of different types of grooves in the vertical direction of the club face. Different irons within the golf club set can also have different characteristic grooves in the three defined regions of the club face.
申请公布号 US5688186(A) 申请公布日期 1997.11.18
申请号 US19960626680 申请日期 1996.04.02
申请人 MICHAELS, RICHARD A.;VONSCHWARTZ, JOHN 发明人 MICHAELS, RICHARD A.;VONSCHWARTZ, JOHN
分类号 A63B53/00;A63B53/04;(IPC1-7):A63B53/04 主分类号 A63B53/00
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