To allow a wide range of existing bicycles to be easily converted into electric power assisted bicycles, a retrofit electric machine for a bicycle includes: a housing (52) configured to be attached to a frame (18) of a bicycle (10), an electric motor (54) attached to the housing (52); an annular rotating plate (84) mounted on the housing (52) in a rotatable manner to be centered around a rotational center line of a crankshaft (24) for a pedal of the bicycle (10), and connected to the electric motor (54) in a torque transmitting relationship; and a connecting member (90) including a first connecting portion (92) connected to the crankshaft (24) with a shape fit so as to rotate integrally with the crankshaft (24), and a connecting pin (98) secured to the rotating plate (84).


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    Titel :

    RETROFIT ELECTRIC MACHINE FOR BICYCLE AND BICYCLE


    Beteiligte:

    Erscheinungsdatum :

    2021-07-15


    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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