发明名称 Freely moveable strength training device for strengthening the body musculature, which can be loaded by pulling
摘要 A freely movable strength training device for strengthening the body musculature can be loaded by pulling. The device has a housing and at least one spring element arranged in the housing, which can be loaded via muscular strength. The device has at least two pull elements which can be actuated by a user. All pull elements are fastened on the spring element.
申请公布号 US7803093(B2) 申请公布日期 2010.09.28
申请号 US20080286578 申请日期 2008.10.01
申请人 KOELBEL GERT F 发明人 KOELBEL GERT F.
分类号 A63B21/02 主分类号 A63B21/02
代理机构 代理人
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