To provide a device that can efficiently transmit pedaling force to bicycle drive during riding of a bicycle.SOLUTION: Since a bicycle driving part becomes a stable state if it avoids a crank angle from becoming -15 degrees to +15 degrees, a crank 2 is bend in the middle thereof so that a pedal 1 takes a position where a rotation angle becomes -15 degrees or +15 degrees.SELECTED DRAWING: Figure 2

    【課題】自転車を運転するとき、ペダルを踏む力が効率よく自転車駆動に伝わるようにできる装置を提供する。【解決手段】クランク角度が−15度から+15度を避けると安定した状態になるためクランク2を途中で曲げてペダル1の位置が回転角が−15度または+15度になる様にする。【選択図】図2


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    Title :

    BICYCLE DRIVING PART HAVING MECHANISM FOR REDUCING PEDALING FORCE


    Additional title:

    踏む力を軽減させる機構を有する自転車駆動部


    Contributors:

    Publication date :

    2020-04-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

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



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