发明名称 Exercise device providing varied and predetermined resistance
摘要 An exercising device includes a pair of elongated handles each having an end portion and a gripping portion, with the end portions having an attached rotatable spinner members, with resilient elastic bands attached thereto, and wound together to define a substantially unitary resilient link between the handles interconnects the spinner members and providing a force against the relative movement of the handles with respect to each other to provide an isokinetic exercise device.
申请公布号 US4872671(A) 申请公布日期 1989.10.10
申请号 US19880227804 申请日期 1988.08.03
申请人 RONLUND SPORTS PRODUCTS, INC. 发明人 BRANDELL, JOHN R.
分类号 A63B21/00;A63B23/035;A63B23/12 主分类号 A63B21/00
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