发明名称 GOLF CLUB
摘要 <p><P>PROBLEM TO BE SOLVED: To provide a golf club which has a head of a simple structure and can reduce the amount of the backspin when a ball is shot as well as increase the carry of the ball. <P>SOLUTION: This golf club has a shaft 5, and the head 7 of a hollow structure which is set and fixed to one end of the shaft 5 at a specified lie angle and a specified loft angle to the reference horizontal plane P. The head 7 has a face section 7a for hitting the ball, and a sole section 7c which touches the reference horizontal plane P. The sole 7c has a groove section 10 which extends in the toe-heel direction, and an upward tilting section 15 which rises from the groove section to the reference horizontal plane P, and is connected with the lower end of the face section. <P>COPYRIGHT: (C)2007,JPO&INPIT</p>
申请公布号 JP2007244480(A) 申请公布日期 2007.09.27
申请号 JP20060069090 申请日期 2006.03.14
申请人 DAIWA SEIKO INC 发明人 YAMAGUCHI TOSHIMICHI
分类号 A63B53/04 主分类号 A63B53/04
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