发明名称 |
Exercise machine with spring-cam arrangement for equalizing the force required through the exercise stroke |
摘要 |
An exercise machine with a user-actuated force-applying member utilizes a spring to resist the physical force applied by the user. The physical force is applied to the spring through a cam arrangement which equalizes the force required throughout the exercise stroke.
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申请公布号 |
US4231568(A) |
申请公布日期 |
1980.11.04 |
申请号 |
US19790007427 |
申请日期 |
1979.01.29 |
申请人 |
RILEY, ROBERT Q.;CAREY, DAVID L. |
发明人 |
RILEY, ROBERT Q.;CAREY, DAVID L. |
分类号 |
A63B21/00;A63B21/02;A63B21/04;(IPC1-7):A63B21/04 |
主分类号 |
A63B21/00 |
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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