In an electromagnetic brake device of an elevator tractor, the switch adjustment operation for detecting armature action becomes convenient, and the size increase in the periphery direction of an electromagnet is prevented. The electromagnetic brake device includes: the armature (8) and a plate (7) arranged at two sides of a brake disc (3); a brake spring (9) applying force to the armature in the brake direction; the electromagnet (10) overcoming the application of force of the brake spring and attracting the armature; a pair of brake pads (4, 5) arranged between the brake disc and the armature and between the brake disc and the plate; a switch (12) for detecting the armature action; and a rod member (11) for transferring the armature action to the switch. The rod member is arranged at the inside near the radial direction compared with the periphery of the electromagnet. In the electromagnet brake device, the rod member includes a bolt (15) with an external thread shape and a rod end member (14). The rod end member is provided with an internal thread. The front end part of the bolt is inserted in the rod end member by screwing the internal thread and the bolt.


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    Titel :

    Electromagnetic brake device, elevator tractor and elevator


    Beteiligte:
    TETSUJI ONO (Autor:in)

    Erscheinungsdatum :

    09.09.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66D Haspeln , CAPSTANS



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