发明名称 Dual exercise apparatus with resistance adjustment and interconnection arrangement for user movable elements
摘要 An exercise apparatus having movable elements which are manipulatable against resistance by a user to selectively exercise either the abdominal muscles or the back muscles of the user. The movable elements are interconnected for concurrent movement. Resistance to their movement is provided by an elastic resistance band which is secured to one of the elements and to a fixed support structure of the exercise apparatus. An adjustment mechanism is provided for pre-tensioning the resistance band.
申请公布号 US5702332(A) 申请公布日期 1997.12.30
申请号 US19960621293 申请日期 1996.03.22
申请人 LIFEGEAR, INC. 发明人 HSIEH, YI FONG
分类号 A63B21/04;A63B21/055;A63B23/035;A63B23/12;(IPC1-7):A63B21/04 主分类号 A63B21/04
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