发明名称 |
Golf club |
摘要 |
The inventive golf club comprises a head of a metal having a face and a flexural range, defined in the face, where the quantity of flexure in a direction perpendicular to the face is at least 45% of the maximum quantity of vertical flexure of the face. The flexural range is arranged in coincidence with a hitting spot distribution range of a player in the face. Alternatively, a flexural range having a spring constant of at least 2 kN/mm and not more than 4 kN/mm is present in the face of the inventive golf club.
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申请公布号 |
US2001051548(A1) |
申请公布日期 |
2001.12.13 |
申请号 |
US20010845661 |
申请日期 |
2001.04.30 |
申请人 |
IWATA MOTOTAKA;ONODA KENJI;SAKAI KOJI;TERANISHI YUKIHIRO;NARUO TAKESHI;OHMORI KAZUHIRO;FUJIKAWA YOSHIHIRO |
发明人 |
IWATA MOTOTAKA;ONODA KENJI;SAKAI KOJI;TERANISHI YUKIHIRO;NARUO TAKESHI;OHMORI KAZUHIRO;FUJIKAWA YOSHIHIRO |
分类号 |
A63B53/04;A63B53/08;A63B59/00;(IPC1-7):A63B53/04 |
主分类号 |
A63B53/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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