A bicycle gear hub includes an axle, planetary gear modules, one-way clutches and a shift mechanism. The planetary gear modules are connected in series at the axle. The shift mechanism includes a shift actuator and control pawls movably disposed at different positions of the axle. The shift actuator includes recess portions to control opening and closing of a control protrusion of one control pawl, and further to control a sun gear of the corresponding planetary gear module to the axle. When a high gear is shifted to a low gear, a rotational direction of the shift actuator is identical to a rotational direction for closing the control pawl.


    Access

    Download


    Export, share and cite



    Title :

    Bicycle gear hub


    Contributors:

    Publication date :

    2024-02-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer / F16H Getriebe , GEARING



    Bicycle gear shifter

    QIN RUIZAN | European Patent Office | 2019

    Free access

    BICYCLE GEAR SHIFTER

    QIN RUIZAN | European Patent Office | 2020

    Free access

    BICYCLE GEAR HUB

    TSAI MING-CHIH | European Patent Office | 2023

    Free access

    BICYCLE GEAR SHIFTER

    QIN RUIZAN | European Patent Office | 2019

    Free access

    GEAR DEVICE FOR BICYCLE, AND BICYCLE

    SAKAMOTO MASAKATSU | European Patent Office | 2016

    Free access