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 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|