A blocking device (2) for blocking access to an door unlocking device (118) of an elevator system (102) comprises: an outer element (4), which is introducable into an access opening (30) providing access to the door unlocking device (118); and an inner element (6), which is introducable into the outer element (4). The inner element (6) is configured for bringing the blocking device (2) into a fixing configuration, in which the outer element (4) is fixedly engaged with the access opening (30), by introducing the inner element (6) into the outer element (4).
BLOCKING DEVICE
BLOCKIERUNGSVORRICHTUNG
DISPOSITIF DE BLOCAGE
2022-04-20
Patent
Electronic Resource
English
IPC: | B66B Aufzüge , ELEVATORS |
BLOCKING DETECTION DEVICE AND BLOCKING DETECTION PROGRAM
European Patent Office | 2021
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