发明名称 Cordless jump rope
摘要 An exercise apparatus is provided that simulates the effects of jumping rope, but does not utilize an actual rope. Two handles are provided similar in appearance to jump rope handles. At the end of the handle, where the rope would typically be, a donut-shaped enclosure is provided and mounted to the handle along its symmetrical axis. Inside of each donut-shaped enclosure, a weighted ball that rotates around a circular chamber within the enclosure. When rotated, the weighted balls generate rotational torque to simulate the use of a jump rope.
申请公布号 US7037243(B1) 申请公布日期 2006.05.02
申请号 US20030649041 申请日期 2003.08.28
申请人 CLANCY LESTER J 发明人 CLANCY LESTER J.
分类号 A63B21/02 主分类号 A63B21/02
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