The invention relates to a folding type foot crank arm bicycle, which aims at solving the problem that the body feeling is tired due to the fact that the existing manpower bicycle is provided with a single-arm foot crank, the existing manpower bicycle is short in arm of force, and people have to continuously pedal the bicycle forcefully due to high speed running or climbing forward, and comprises an L-shaped outer crank, a main inner crank, an auxiliary inner crank, a main shaft, an auxiliary shaft, a main shaft and an auxiliary shaft linked differential belt transmission and a conventional bicycle assembly, the bicycle has the advantages of being simple in structure, reliable in action, easy to step by people and high in bicycle speed, and is an ideal light tool for riding instead of walk.

    本发明涉及一种折叠式脚拐臂自行车,为解决现有的人力自行车单臂脚拐,因力臂短,高速行驶或爬坡前行,人不得不用力连续猛蹬,而身感疲惫的问题,其包括“L”形外拐,主副内拐,主轴、副轴、主副轴联动差速皮带传动,常规自行车总成,其特点结构简单,动作可靠,人轻松踏而车速高,是一种理想轻型代步工具。


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    Title :

    Folding foot crank arm bicycle


    Additional title:

    折叠式脚拐臂自行车


    Contributors:

    Publication date :

    2024-10-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer



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