发明名称 |
Adjusting stiffness and flexibility in sports equipment |
摘要 |
A sports apparatus with variable directions of stiffness and flexibility, including sports equipment having a body with an elongated cavity; and a stiffening rod that is elongated and has a longitudinal axis in a direction of elongation of the stiffening rod, the stiffening rod being inserted within the cavity and stiffer in one direction than in a different direction and being more flexible in the different direction than in the one direction, both the one direction and the different direction being directed transverse to the longitudinal axis.
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申请公布号 |
US6113508(A) |
申请公布日期 |
2000.09.05 |
申请号 |
US19980136117 |
申请日期 |
1998.08.18 |
申请人 |
ALLIANCE DESIGN AND DEVELOPMENT GROUP |
发明人 |
LOCARNO, MICHAEL;WHEELER, GUY;WALSH, ROBERT;DOBLE, WILLIAM C. |
分类号 |
A63B53/10;A63B49/02;A63B49/10;A63B53/08;A63B59/00;A63B59/06;A63B59/12;A63B59/14;A63B69/00;A63C5/12;A63C5/14;(IPC1-7):A63B53/00 |
主分类号 |
A63B53/10 |
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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