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1. 发明授权

US3729213A Hydraulic drive for a bicycle 失效
标题翻译：液压驱动一个自行车
公开(公告)号：US3729213A
公开(公告)日：1973-04-24
申请号：US3729213D
申请日：1971-06-11
申请人： HUDSPETH S , LUNSFORD J
发明人： HUDSPETH S , LUNSFORD J
IPC分类号： B62M1/18 , B62M19/00 , B62M1/10 , B62M1/20
CPC分类号： B62M1/18 , B62M19/00
摘要： A bicycle having a fluid powered motor. A primary source of fluid for motor operation provided by a pair of hydraulic cylinders with pistons therein powered by the feet of the rider. A secondary or auxiliary source of fluid under pressure for motor operation residing in a pair of seat actuated fluid pumps. The bicycle seat is mounted to permit the weight of the rider to be yieldably supported with fluid being exhausted from said pumps upon bicycle seat movement while the rider is negotiating irregular ground surfaces. An additional source of fluid pressure may be provided by still another cylinder operatively coupled to the front fork of the bicycle.
摘要翻译：具有流体动力马达的自行车。由一对液压缸提供的用于电动机操作的主要流体源，其中活塞在其中由骑手的脚提供动力。位于一对座椅致动流体泵中的用于电机操作的压力下的二次或辅助流体源。自行车座椅被安装成允许骑车人的重量在骑自行车座椅运动时从所述泵排出的流体被屈服地支撑，而骑手正在协商不规则的地面。可以通过可操作地联接到自行车的前叉的另一个气缸来提供另外的流体压力源。

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