Procedure and apparatus for installing the overspeed governor of
Procedure and apparatus for the deceleration of an elevator
Procedure for adjusting air gaps between rotors and stators...
Procedure for controlling an elevator
Procedure for operating an elevator, and an elevator machinery
Procedure for starting an elevator
Procedure for stopping an elevator at a landing
Process and apparatus for controlling a hydraulic lift
Process and apparatus for preventing corrosion of a hydraulic el
Protective means against inertial slip of elevator cab...
Pulley arrangement for elevators
Pulley system for a traction sheave elevator
Pulley-driven elevator