An electric derailleur motor unit and a motorized derailleur are configured to reduce motor speed of a motor and transmit motor torque of the motor to a derailleur. A bicycle derailleur motor gear unit includes an output shaft, a fixed sun gear, an output sun gear, a plurality of planet gears, and a carrier. The output sun gear is rotatable relative to the fixed sun gear. The output sun gear is fixedly coupled to the output shaft. The carrier rotatably and revolvably supports the planet gears. Each of the planet gears has a first gear that engages with the fixed sun gear and a second gear that engages with the output sun gear. The first gear and the second gear are coaxially coupled to each other. The fixed sun gear, the output sun gear, the first gear, and the second gear have tooth counts, respectively, such that the fixed sun gear, the output sun gear, the first gear, and the second gear lock while an external force is exerted to the output sun gear. Therefore, it is possible to obtain the bicycle derailleur motor gear unit with a self-lock function in response to the external force.


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    Titel :

    Electric derailleur motor unit and motorized derailleur


    Beteiligte:
    KATSURA TAKAFUMI (Autor:in) / TAGAYA KENSUKE (Autor:in) / KAWAMOTO HISASHI (Autor:in) / UNO YASUHIRO (Autor:in)

    Erscheinungsdatum :

    24.02.2016


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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