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1. 发明授权

US5407409A Exerciser with friction-type resistance device 失效
标题翻译：带摩擦式电阻装置的练习器
公开(公告)号：US5407409A
公开(公告)日：1995-04-18
申请号：US326998
申请日：1994-10-21
申请人： Chih-Yun Tang
发明人： Chih-Yun Tang
IPC分类号： A63B21/018 , A63B23/035 , A63B23/04 , A63B69/18 , A63B21/00
CPC分类号： A63B69/182 , A63B21/018 , A63B22/0012 , A63B22/203 , A63B22/0023
摘要： An exerciser has a base, a pair of parallel guide rails disposed on the base, a pair of driven units mounted slidably and respectively on the guide rails, and a friction-type resistance device mounted on the base and connected operably to the driven units to resist movement of the driven units. The resistance device includes a friction wheel mounted rotatably on the base, a friction belt trained on the friction wheel, a tension spring interconnecting one end of the friction belt and the base, and first and second transmission rollers mounted rotatably on the base at two sides of the friction wheel. First and second clutch units couple a respective one of the first and second transmission rollers and the friction wheel only when the respective transmission roller rotates in a first direction to drive rotatably the friction wheel in the first direction. The friction wheel applies a force to the friction belt in a compressing direction of the tension spring while rotating in the first direction. An endless transmission belt is secured to the driven units and is looped around the first and second transmission rollers so that reciprocating sliding movement of the driven units along the guide rails enables the endless transmission belt to drive the first and second transmission rollers to rotate in opposite directions.
摘要翻译：训练器具有基座，一对平行的导轨，设置在基座上，一对可自由滑动地分别安装在导轨上的从动单元，以及安装在基座上并可操作地连接到被驱动单元的摩擦阻力装置，抵抗被驱动单元的运动。电阻装置包括可旋转地安装在基座上的摩擦轮，在摩擦轮上训练的摩擦带，将摩擦带的一端和基座相互连接的拉伸弹簧以及可旋转地安装在底座上的两侧的第一和第二传动滚子的摩擦轮。第一和第二离合器单元仅在相应的传动滚轮沿第一方向转动时将第一和第二传动辊和摩擦轮中的相应的一个连接起来以便沿第一方向驱动摩擦轮。在沿着第一方向旋转的同时，摩擦轮在张力弹簧的压缩方向上向摩擦带施加力。无级传动皮带固定在被驱动单元上，围绕第一和第二传动滚子环绕，从而使得从动单元沿着导轨的往复滑动使得环形传动皮带能够驱动第一和第二传动滚筒以相反的方向旋转方向。

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