82057 ⎘
Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings; Door or gate operation; Control systems or devices; Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors
Sub-classes:Elevator car door interlock
#2Door interlock
#3Elevator safety mechanism
#4Elevator car door interlock
#5Blocking assembly, elevator system
#6Device for unlocking a landing door
#7Elevator car door coupling systems
#8Mechanical hoistway access control device
#9Elevator car door interlock
#10Car door interlock with sill lock
#11Hoistway door locking system and method of controlling access to an elevator shaft
#12Elevator car door locking apparatus