| 发明名称 |
Evaluation method of golf club and golf club |
| 摘要 |
Disclosed is an evaluation method of a golf club, where a rear end portion of a club shaft is vibrated in a state where a tip portion of the club shaft is fastened to measure a frequency per unit time, and a golf club using the club shaft is evaluated based on the frequency.
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| 申请公布号 |
US6546802(B2) |
申请公布日期 |
2003.04.15 |
| 申请号 |
US20000731784 |
申请日期 |
2000.12.08 |
| 申请人 |
THE YOKOHAMA RUBBER CO., LTD. |
发明人 |
SHIRAISHI TAKAYUKI;KOGAWA MASAYOSHI;NISHIZAWA YOH;AKIE MASAKI |
| 分类号 |
A63B53/00;A63B53/10;A63B59/00;(IPC1-7):A63B53/00;G01H13/00 |
主分类号 |
A63B53/00 |
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