An unlocking device with an actuator releases a safety cover of a maintenance opening for opening. The locking device has a safety circuit for actuating the actuator. The safety circuit includes at least one first switching contact and a second switching contact arranged in series, wherein the actuator in a closed state of the first and the second switching contacts is connected by the safety circuit with a power source, and the first switching contact can be switched by a control unit. One or more of the unlocking device can be used in an elevator system.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Unlocking device, elevator system having an unlocking device, and method for actuating an unlocking device


    Beteiligte:
    STUDER CHRISTIAN (Autor:in) / BITZI RAPHAEL (Autor:in)

    Erscheinungsdatum :

    04.02.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66B Aufzüge , ELEVATORS / E05B LOCKS , Schlösser



    UNLOCKING DEVICE, ELEVATOR SYSTEM HAVING AN UNLOCKING DEVICE, AND METHOD FOR ACTUATING AN UNLOCKING DEVICE

    STUDER CHRISTIAN / BITZI RAPHAEL | Europäisches Patentamt | 2017

    Freier Zugriff

    Unlocking device, elevator system having an unlocking device, and method for actuating an unlocking device

    STUDER CHRISTIAN / BITZI RAPHAEL | Europäisches Patentamt | 2018

    Freier Zugriff

    ELEVATOR DOOR UNLOCKING DEVICE

    YOSHINAGA RYO | Europäisches Patentamt | 2025

    Freier Zugriff

    Elevator landing unlocking device

    JIANG JI / LU YUEHUA / JIA XUECHENG et al. | Europäisches Patentamt | 2021

    Freier Zugriff

    ELEVATOR DOOR UNLOCKING DEVICE

    KOBAYASHI KENJI | Europäisches Patentamt | 2021

    Freier Zugriff