发明名称 |
Contracting basketball hoop |
摘要 |
A basketball goal system is provided which helps improve the shooting skills of a use. The system includes a rim which is expandable and contractable in diameter. The rim has a pair of free ends which are caused to be moved relative to each other to change the rim diameter. Attached to each of the free ends is a device for causing such relative movement and thereby the expansion and contraction of the rim.
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申请公布号 |
US7402116(B2) |
申请公布日期 |
2008.07.22 |
申请号 |
US20050054922 |
申请日期 |
2005.02.09 |
申请人 |
ZUCCARINI DANIEL P;GORDON STEVEN J |
发明人 |
ZUCCARINI DANIEL P.;GORDON STEVEN J. |
分类号 |
A63B63/08;A63B69/00 |
主分类号 |
A63B63/08 |
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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