发明名称 Assist resist abdominal bench
摘要 An abdominal bench having an extendable and retractable assist and resist assembly that will, depending upon how it is connected, provide variable levels of assistance forces to help pivot a torso section of the bench into an upright position and/or variable levels of forces that will resist the pivoting of the torso section. The extendable and retractable assist and resist assembly can include one or more elastic members that can work solely or in tandem to provide the assistance and resistance forces.
申请公布号 US2007099776(A1) 申请公布日期 2007.05.03
申请号 US20060480530 申请日期 2006.07.05
申请人 J.E.M. CONCEPT INTERNATIONAL, INC. 发明人 DISE DAVID W.;GOWDEY PETER W.
分类号 A63B26/00;A63B71/00 主分类号 A63B26/00
代理机构 代理人
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