Elevator landing door lock assemblies and elevator landing doors having a lock with a keyway accessible from a landing of an elevator system, the lock operable to lock and unlock a landing door and a disengageable link operably connected to the lock and configured to prevent unlocking of the landing door when the disengageable link is not engaged. When an elevator car is aligned with the landing door, the disengageble link is engaged and completed such that the lock is operable to unlock and open the landing door, and, when an elevator car is not aligned with the landing door, the lock is not operable.
Elevator landing door unlocking system
2020-11-03
Patent
Electronic Resource
English
IPC: | B66B Aufzüge , ELEVATORS |
UNLOCKING DEVICE OF ELEVATOR LANDING DOOR AND UNLOCKING SYSTEM OF ELEVATOR LANDING DOOR
European Patent Office | 2018
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