Operational control system for lift and elevator machinery
Operator's cab for mobile machines
Optical door lock
Optical monitoring system for hoistway door interlocks
Optimal parking of free cars in elevator group control
Optimization of magnetizing current in linear induction motors
Optimized "up-peak" elevator channeling system with predicted tr
Order picking truck with an initial lift device
Outside rescue elevator system for high-rise buildings
Outside up-down elevator
Overhead service unit
Overhead storage lift assembly
Overhead supporting beam for an elevator door and a door mechani
Overlay for an elevator guide rail
Overlay for an elevator guide rail
Overload signalling system for fork lift trucks and the like
Overload warning system
Overspeed brake for a lift car
Overspeed safety braking device
Overspeed valve for hydraulic elevator