发明名称 |
Exercise resistance device with magnets |
摘要 |
An exercise resistance device for use in an exercise apparatus includes a rotatable shaft and an impeller rotatable within a fluid filled sealed chamber. A rotating member is joined for rotation with the rotatable shaft. The rotating member is external to the sealed chamber and is magnetically coupled to the impeller.
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申请公布号 |
US6945916(B2) |
申请公布日期 |
2005.09.20 |
申请号 |
US20030419513 |
申请日期 |
2003.04.21 |
申请人 |
KURT MANUFACTURING COMPANY, INC. |
发明人 |
SCHROEDER DUANE G. |
分类号 |
A63B21/00;A63B21/008;A63B69/16;(IPC1-7):A63B69/16 |
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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