发明名称 Multiple material golf club head
摘要 A golf club ( 40 ) having a club head ( 42 ) with a face component ( 60 ) and an aft body ( 61 ) is disclosed herein. The face component ( 60 ) has a striking plate portion ( 72 ), a return portion ( 74 ), and a second layer ( 72 b) attached to an interior surface of the striking plate portion ( 72 ). The aft-body ( 61 ) is composed of a crown portion ( 62 ), a sole portion ( 64 ) and optionally a ribbon section ( 90 ). The club head ( 42 ) has a volume in the range of 290 cubic centimeters to 600 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate portion ( 72 ) surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head ( 42 ) has a coefficient of restitution greater than 0.81 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.
申请公布号 US7121957(B2) 申请公布日期 2006.10.17
申请号 US20040711849 申请日期 2004.10.08
申请人 CALLAWAY GOLF COMPANY 发明人 HOCKNELL ALAN;GALLOWAY J. ANDREW
分类号 A63B53/04;A63B53/06 主分类号 A63B53/04
代理机构 代理人
主权项
地址