发明名称 |
Adjustable mass exercise methods and apparatus |
摘要 |
An exercise dumbbell includes a handle and weight plates maintained in spaced relationship relative thereto. At least one weight selector is movable into and out of engagement with different combinations of the weight plates to secure a desired amount of mass to the handle.
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申请公布号 |
US2003199369(A1) |
申请公布日期 |
2003.10.23 |
申请号 |
US20020127050 |
申请日期 |
2002.04.18 |
申请人 |
KRULL MARK A. |
发明人 |
KRULL MARK A. |
分类号 |
A63B21/072;A63B21/075;(IPC1-7):A63B21/072 |
主分类号 |
A63B21/072 |
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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