Access prevention systems (400) of elevator landing door locks including a landing door lintel (429) for a landing door of an elevator system, a lock mechanism (408) mounted to the lintel (429) and arranged to enable unlocking of the elevator landing door, and an indicator feature (406) on the lintel (429) and aligned with the lock mechanism (408) to indicate a location of a blocked locking mechanism, wherein the indicator feature (406) is at least one of frangible or breakable to permit access to the lock mechanism (408) when the indicator feature (406) is broken.
ELEVATOR LANDING DOOR LOCK SAFETY SYSTEM
AUFZUGSSCHACHTTÜR-SCHLOSSSICHERHEITSSYSTEM
SYSTÈME DE SÉCURITÉ DE SERRURE DE PORTE PALIÈRE D'ASCENSEUR
2019-12-18
Patent
Elektronische Ressource
Englisch
IPC: | B66B Aufzüge , ELEVATORS |