发明名称 Golf club shaft and method of producing the same
摘要 An object is to achieve a golf club shaft and a method of producing the same, wherein the weight balance in the shaft longitudinal direction can be reproducibly and easily set and wherein the golf club shaft is produced at a low cost and has high durability. The golf club shaft includes a hollow-cylindrical shaft body made of fiber-reinforced resin and a weight-adding cylinder installed in a cylindrical space of the shaft body. At least a part of an outer diameter side of the weight-adding cylinder is embedded in an cylindrical embedded recess that is formed in an inner wall of the shaft body, wherein a grip-side cylindrical end surface of the weight-adding cylinder and a grip-side cylindrical end surface of the cylindrical embedded recess are in contact with each other.
申请公布号 US8517857(B2) 申请公布日期 2013.08.27
申请号 US201113641896 申请日期 2011.01.14
申请人 WAKABAYASHI MASAKI;KOGAWA YOSHIHITO;NAKAMURA MASAKI;FUJIKURA RUBBER LTD. 发明人 WAKABAYASHI MASAKI;KOGAWA YOSHIHITO;NAKAMURA MASAKI
分类号 A63B53/10 主分类号 A63B53/10
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