发明名称 IRON TYPE GOLF CLUB HEAD
摘要 <p><P>PROBLEM TO BE SOLVED: To control misshot so-called doubling while improving swing through performance of a head from a bunker or a lawn. <P>SOLUTION: The iron type golf club head 1 is equipped with a face for hitting a ball, a back face 3 which is the face on the opposite side, and a face part 1A including a sole face 4 connecting between the face and the back face 3 on the bottom face side. In the standard state in which the head 1 is placed on the horizontal face with a prescribed lie angle and loft angle, a bounce is formed on the sole face 4 extending in a first range Y which is the range between a toe side standard position Pt 25 mm apart from the middle position in the toe-heel direction of the face to the toe side and a heel side standard position Ph 25 mm apart from the middle position Pc of the face to the heel side. The area Ss of the sole face 4 in the first range Y projected on the horizontal face is 50% or more of the area S1 of the first range Y projected on the horizontal face. <P>COPYRIGHT: (C)2007,JPO&INPIT</p>
申请公布号 JP2007215761(A) 申请公布日期 2007.08.30
申请号 JP20060039697 申请日期 2006.02.16
申请人 SRI SPORTS LTD 发明人 TAKARADA KAZUYOSHI
分类号 A63B53/04 主分类号 A63B53/04
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