发明名称 GOLF CLUB
摘要 A golf club 2 is provided with a head 4, a shaft 6, a tip member 8, and a screw member 10. The shaft 6 is inserted into a shaft hole of the tip member 8, and a tip part of the shaft 6 is fixed to the shaft hole. An axis line s1 of the shaft 6 is inclined with respect to an axis line z1 of the tip member 8. The head 4 has a head hole into which the tip member is inserted, a head side engaging part capable of being engaged with the tip member 8 inserted into the head hole, and a through hole into which the screw member 10 can be inserted. The tip member 8 has a shaft side engaging part 38 capable of being engaged with the head side engaging part. Circumferential relative positions A in which the head side engaging part and the shaft side engaging part can be engaged with each other are M kinds. The circumferential relative positions A can equalize adjustment distance of a loft angle, a lie angle, or a hook angle as compared with circumferential relative positions B in being equally divided into M pieces in a circumferential direction.
申请公布号 US2011098127(A1) 申请公布日期 2011.04.28
申请号 US20100912282 申请日期 2010.10.26
申请人 发明人 YAMAMOTO AKIO
分类号 A63B53/02 主分类号 A63B53/02
代理机构 代理人
主权项
地址