| 发明名称 |
Insert for altering the stiffness of a golf club shaft |
| 摘要 |
A golf accessory is provided that includes an insert for removably and interchangeably mounting within an interior of a golf club shaft for interchangeably altering a predetermined stiffness or bending moment of the club shaft.
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| 申请公布号 |
US2005079925(A1) |
申请公布日期 |
2005.04.14 |
| 申请号 |
US20040996912 |
申请日期 |
2004.11.24 |
| 申请人 |
CHENG MICHAEL H.L.;JONES ERIC M. |
发明人 |
CHENG MICHAEL H.L.;JONES ERIC M. |
| 分类号 |
A63B53/08;A63B53/16;A63B59/00;(IPC1-7):A63B53/08 |
主分类号 |
A63B53/08 |
| 代理机构 |
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代理人 |
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