发明名称 Leg stretching exercise device
摘要 A leg stretching exercise device is provided which has two platforms, each adapted to support a foot of an exerciser. Each platform is provided with ball casters which provide support and allow free movement in a mutual plane. The platforms are attached so they may be placed in touching relationship and moved apart a predetermined distance by the exerciser. A rope connects a single point on each platform. The connecting rope defines a loop which passes through eyelets, secured to each platform. An adjustable connection is provided for varying the size of the loop as desired.
申请公布号 US4132404(A) 申请公布日期 1979.01.02
申请号 US19770801062 申请日期 1977.05.27
申请人 WILSON, RAYMOND L. 发明人 WILSON, RAYMOND L.
分类号 A63B21/068;A63B22/20;A63B23/04;(IPC1-7):A63B21/00 主分类号 A63B21/068
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