发明名称 |
Energy absorbing system for exercise equipment |
摘要 |
An exercise device has a variable amount of energy absorbing material disposed in series between a body supporting member and an underlying floor surface.
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申请公布号 |
US2001024998(A1) |
申请公布日期 |
2001.09.27 |
申请号 |
US20010754030 |
申请日期 |
2001.01.03 |
申请人 |
NOVAK PAT J.;KRULL MARK A. |
发明人 |
NOVAK PAT J.;KRULL MARK A. |
分类号 |
A63B22/02;A63B71/02;(IPC1-7):A63B22/00;A63B71/00 |
主分类号 |
A63B22/02 |
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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