The invention relates to a hybrid brake for a lifting machine, comprising: an upper plate (2) and a lower plate (3) forming a clamp capable of gripping a disc (1), the upper plate being axially slidably mounted in a half-caliper (4); a stack of disc springs (10) arranged in the half-caliper; a negative piston (80) axially sliding in the half-caliper, the negative piston capable of being placed in an open-brake position when a first power source is activated, the negative piston being urged into a closed-brake position by the stack of disc springs when the first power source is inactive; an axially sliding positive piston (90) capable of being placed in a closed-brake position when a second power source is activated, the positive piston being placed in an open-brake position by means of a return spring (98) when the second power source is inactive.


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    Title :

    FREIN À DISQUE POUR ENGIN DE LEVAGE, COMBINANT UN FREIN POSITIF ET UN FREIN NÉGATIF


    Additional title:

    DISC BRAKE FOR A LIFTING MACHINE COMBINING A POSITIVE BRAKE AND A NEGATIVE BRAKE
    SCHEIBENBREMSE FÜR EINE HUBMASCHINE MIT EINER POSITIVBREMSE UND EINER NEGATIVBREMSE


    Contributors:

    Publication date :

    2024-12-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    French


    Classification :

    IPC:    B66D Haspeln , CAPSTANS






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    CASSE CHRISTOPHE / HUMEAU ALEXIS | European Patent Office | 2017

    Free access

    Le frein a disque pour engins de levage et de manutention

    Lindas, R. / Pascal, J.P. | Tema Archive | 1967