To inhibit occurrence of jumping between a sprocket and a chain which are rotationally driven by a motor.SOLUTION: A motor unit 1A includes: an output shaft 14 to which rotation of a motor is transmitted; and a sprocket 21 connected to the output shaft 14. The sprocket 21 includes first teeth 211 and second teeth 212 wider than the first teeth 211. The first teeth 211 and the second teeth 212 are positioned alternately in a circumferential direction of the sprocket 21.SELECTED DRAWING: Figure 2

    【課題】モータによって回転駆動されるスプロケットとチェーンとの間で歯飛びが発生することを抑える。【解決手段】モータユニット1Aは、モータの回転が伝達される出力シャフト14と、出力シャフト14に連結されるスプロケット21とを備える。スプロケット21は、第1歯211と、第1歯211よりも幅広である第2歯212とを含む。第1歯211と第2歯212とは、スプロケット21の周方向において交互に位置する。【選択図】図2


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    Title :

    MOTOR UNIT, ELECTRIC BICYCLE, AND MOTOR DRIVE VEHICLE


    Additional title:

    モータユニット、電動自転車及びモータ駆動車両


    Contributors:

    Publication date :

    2024-01-11


    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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