A pedal crank drive having a pedal crank (12) and a chain ring (14), which can be connected to each other in a rotationally fixed manner to form a unit (10), the unit (10) having a spindle hole (16) for a bottom bracket spindle. The chain ring (14) has a first connecting contour (18) and the pedal crank (12) has a second connecting contour (20), wherein the connecting contours (18, 20) can be fitted into one another in an assembly position, and the pedal crank (12) and the chain ring (14) can be rotated relative to one another around the spindle hole (16) to a stop position in which the stop surfaces (22, 24) of the pedal crank (12) and the chain ring (14) abut against each other.


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    Title :

    Pedal crank drive comprising a pedal crank and a chain ring, and production method


    Contributors:

    Publication date :

    2025-01-07


    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



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