发明名称 Weight selection methods and apparatus
摘要 Weight selecting members are movably mounted on a handle assembly and selectively rotatable into engagement with respective weight plates to provide adjustable resistance to exercise movement. The weight selecting members rotate into and out of notches associated with any combination of the weight plates.
申请公布号 US7300390(B1) 申请公布日期 2007.11.27
申请号 US20040941339 申请日期 2004.09.14
申请人 KRULL MARK A 发明人 KRULL MARK A.
分类号 A63B21/072;A63B21/075 主分类号 A63B21/072
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