A powertrain device for an electric bicycle (10), including a first follower gear (120) receiving power transmitted from a rotation shaft (12A) of a driving motor (12), a first drive gear (130) engaged with the first follower gear (120) and receiving power transmitted from the first follower gear (120), a second follower gear (140) installed on a first gear shaft (131) on which the first drive gear (130) is installed, a second drive gear (160) engaged with the second follower gear (140) and receiving power transmitted from the second follower gear (140), a third follower gear (170) installed on a second gear shaft (161) on which the second drive gear (160) installed thereon, a third drive gear (180) engaged with the third follower gear (170), receiving power, and installed on a pedal shaft (13), and a ratchet guide (240) and additional bearings minimizing torsion load applied to a ratchet (190) disposed between the third drive gear (180) and the pedal shaft (13).


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    Titel :

    Powertrain device for electric bicycle


    Weitere Titelangaben:

    Antriebsstrangvorrichtung für ein Elektrofahrrad
    Dispositif de transmission pour bicyclette électrique


    Beteiligte:
    OH MYUNG GEUN (Autor:in) / KIM SE JOO (Autor:in) / YUN TAE HO (Autor:in)

    Erscheinungsdatum :

    2016-02-10


    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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