ASME A18.1:2020 pdf download.SAFETY STANDARD FOR PLATFORM LIFTS AND STAIRWAY CHAIRLIFTS.
combination mechanical lock and electric contact: a combination mechanical and electrical device with two related but entirely independent functions that are
(a) to prevent operation of the driving machine by the normal operating device, unless the door or gate is in the closed position
(b) to lock the door or gate in the closed position and prevent it from being opened from the landing side, unless the platform is within the specified distance from the landing
compensating-rope sheave switch: a device that automatically causes the electric power to be removed from the driving-machine motor and brake when the compensating sheave approaches its upper or lower limit of travel.
contacts: see door or gate electric contact.
control: the system governing the starting, stopping, direction of motion, acceleration, speed, and retardation of the moving member.
controller: a device or group of devices that serves to control in a predetermined manner the apparatus to which it is connected.
door or gate: the movable portion(s) of the platform or runway entrance that closes the opening providing access to the platform or landing. It consists of one or more panels that may be equipped with a vision panel.
door or gate, manually operated: door or gate that is opened and closed by hand.
door or gate, power-operated: a door or gate that is opened and closed by a door or gate power-operator.
door or gate, self-closing: a manually operated door or gate that closes when released or a power-operated door or gate.
door or gate closer: a device that closes a door or gate by means of a spring or gravity.
door or gate electric contact: an electrical device, the function of which is to prevent operation of the driving machine by the normal operating device unless the door or gate is in the closed position.
door or gate power-operator: a device or assembly of devices that opens a door or gate by power other than by hand, gravity, springs, or the movement of the platform; and that closes the door or gate by power other than by hand, gravity, or the movement of the platform.
driving machine: see machine, driving.
emergency stop switch: a device that, when manually operated, causes the lift to halt its motion.
enforcing authority: see authority having jurisdiction.
entrance hardware: all components of an entrance, exclusive of the frame, door panels, and locks, that are necessary to maintain the position of the panels within the assembly.ASME A18.1 pdf download.