发明名称 Exercise apparatus
摘要 An exercise apparatus utilizing a platform which is slidable on a frame. The platform moves on the frame against a resistance force provided by a spring connected to the platform and the frame. A foot support connects the frame and includes a contact surface which is adjustable along first and second dimensions. A head rest which adjusts in multiple direction is also supported by the carriage.
申请公布号 US5338278(A) 申请公布日期 1994.08.16
申请号 US19920942650 申请日期 1992.09.09
申请人 ENDELMAN, KEN 发明人 ENDELMAN, KEN
分类号 A63B21/00;A63B21/055;A63B23/035;(IPC1-7):A63B21/04 主分类号 A63B21/00
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