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.
ENTRIEGELUNGSVORRICHTUNG, AUFZUGSANLAGE MIT EINER ENTRIEGELUNGSVORRICHTUNG UND EIN VERFAHREN ZUM BETÄTIGEN EINER ENTRIEGELUNGSVORRICHTUNG
UNLOCKING DEVICE, LIFT ASSEMBLY WITH AN UNLOCKING DEVICE AND A METHOD OF OPERATING AN UNLOCKING DEVICE
DISPOSITIF DE DÉVERROUILLAGE, ASCENSEUR DOTÉ D'UN DISPOSITIF DE DÉVERROUILLAGE ET PROCÉDÉ D'ACTIONNEMENT D'UN DISPOSITIF DE DÉVERROUILLAGE
2020-03-04
Patent
Electronic Resource
German
IPC: | B66B Aufzüge , ELEVATORS |
European Patent Office | 2016
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