发明名称 IRON HEAD OF GOLF CLUB
摘要 <p>A club head (10) for an iron-type golf club comprises a front wall section (11) having front side (11a) for hitting a ball (20). The front wall (11) is inclined backward from the bottom end thereof toward the top end thereof. A sole wall section (13) is connected at the front end thereof to the bottom end of the front wall section (11) and extends backward from the bottom end of the front wall section (11). A back wall section (14) is connected at the top end thereof to the back side of the front wall section (11) behind an impact point (P) at which the front wall section (11) is initially in contact with a ball (20) when the club head (11) is normally swung and at the bottom end thereof to the sole wall section (13). The back wall section (14) extends in perpendicular to the front wall section (11) between the front wall section (11) and the sole wall section ( 13). The top and bottom ends of the back wall section (13) extend between the heel and toe end of the front and sole wall sections (11, 13), respectively. A toe wall section (15) is connected to the front, sole, and back wall sections (11, 13, 14) so as to define a closed cavity (16) therebetween.</p>
申请公布号 JPS63183083(A) 申请公布日期 1988.07.28
申请号 JP19870015864 申请日期 1987.01.26
申请人 MARUMAN GOLF KK 发明人 KOBAYASHI MASASHI
分类号 A63B53/00;A63B53/04 主分类号 A63B53/00
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