Access prevention systems of elevator landing door locks including a landing door lintel for a landing door of an elevator system, a lock mechanism mounted to the lintel and arranged to enable unlocking of the elevator landing door, and an indicator feature on the lintel and aligned with the lock mechanism to indicate a location of a blocked locking mechanism, wherein the indicator feature is at least one of frangible or breakable to permit access to the lock mechanism when the indicator feature is broken.
Elevator landing door lock safety system
2021-01-12
Patent
Elektronische Ressource
Englisch
IPC: | B66B Aufzüge , ELEVATORS |