发明名称 Exercise apparatus having a pair of spaced apart rotating discs
摘要 Exercise apparatus includes a pair of spaced apart discs journaled for rotation on a frame with adjustable tension elements for varying the force required to rotate the discs. Handles are used to rotate the discs and the handles may be secured to the discs at varying locations to vary the distance between the handles and the axis of rotation of the discs.
申请公布号 US4611807(A) 申请公布日期 1986.09.16
申请号 US19840580713 申请日期 1984.02.16
申请人 CASTILLO, DAVID D. 发明人 CASTILLO, DAVID D.
分类号 A63B21/012;A63B22/10;A63B23/035;A63B23/12;(IPC1-7):A63B21/22 主分类号 A63B21/012
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