§ 1917.116 Elevators and escalators.

(a) “Elevator” means a permanent hoisting and lowering mechanism with a car or platform moving vertically in guides and serving two or more floors of a structure. The term excludes such devices as conveyors, tiering or piling machines, material hoists, skip or furnace hoists, wharf ramps, lift bridges, car lifts and dumpers.

(b) “Escalator” means a power-driven continuous moving stairway principally intended for the use of persons.