The invention relates to an actuator for brake shoes inside a drum brake of a motor vehicle, in particular with an electric motor. The invention also relates to a brake provided with such an actuator, for example a "drum-in-hat" composite brake or a dual-mode brake combining a service brake in "simplex" mode and a parking brake in "duo-servo" mode. The actuator includes a linear actuator assembly including a screw-and-nut system and is capable of separating the ends of the brake shoes. Said screw-and-nut system is driven by a transmission sub-assembly which in turn is driven by an electric motor. Said transmission sub-assembly rotates an element for actuating the linear actuation assembly using a guide rail connection. In particular, said actuator element is translatably movable in a single direction and rotatably fixed to a gear of the transmission sub-assembly.


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    Title :

    ACTIONNEUR ENTRAINE PAR PIGNON A GLISSIERE AXIALE, ET FREIN A TAMBOUR ET DISPOSITIF DE FREINAGE AINSI EQUIPES


    Additional title:

    ACTUATOR DRIVEN BY A GEAR HAVING AN AXIAL GUIDE RAIL, AND DRUM BRAKE AND BRAKING DEVICE PROVIDED WITH SAME
    AKTUATOR MIT SCHIENENGESTERUERTER GETREIBE, TROMMELBREMSE UND BREMSANORDNUNG MIT SO EINEM AKTUATOR


    Contributors:

    Publication date :

    2020-12-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    French


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen



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