A stairway or incline arranged like an endless belt so that the steps or treads ascend or descend continuously, and one stepping upon it is carried up or down; -- originally a trade term, which has become the generic name for such devices. Such devices are in common use in large retail establishments such as department stores, and in public buildings having a heavy traffic of persons between adjacent floors.
a stairway whose steps move continuously on a circulating belt
a continuously moving staircase
a continuous moving, inclined stairway which conveys passengers upward and downward
a conveyor transport Conveyor transport is the broad category of transport that includes modes developed from the idea of a conveyor belt
a conveyor transport device to transport people, consisting of a staircase whose steps move up or down on tracks which keep them horizontal
a conveyor type transport device that moves people
a moving stairway that helps people move easily from floor to floor in building
a moving stairway used to transport passengers between two different levels, such as floors of a building or the street and the platforms of an underground station
a power-driven, continuous moving stairway designed to transport passengers up and down short vertical distances
a set of normal stairs plus sharp teeth on the edges of the steps, moving steps (which make take-off and landing dangerous), and a large motor growling just under the floor
A power-driven, inclined, continuous stairway used for raising or lowering passengers.
moving staircase, escalator
An escalator is a conveyor transport device for transporting people, consisting of a staircase whose steps move up or down on tracks that keep the surfaces of the individual steps horizontal.