Escalator system with a drop-down step

Details Escalator system with a drop-down step Escalator system with a drop-down step

1984-08-27

1986-02-11

Valenza, Joseph E.

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

By stairway having steps forming an endless member

198326, B65G 912

Patent

active

045694338

ABSTRACT:
An escalator system comprises an endless loop of chain links extending between two landings, a plurality of steps pivotally connected to the chain link loop, a guide rail system for guiding the steps, and a drive means for driving the chain link along the chain link loop with the steps thereon. At least one of the escalator steps comprises a step main body pivotally connected to a chain link loop and guided by a guide rail system, and a drop-down portion pivotally mounted to the main body and movable between a horizontal position in which the main body and the drop-down portion together forms a usual step tread and a drop-down position in which the drop-down portion is dropped down for allowing a wheel chair to be carried on the steps.

REFERENCES:
patent: 4326622 (1982-04-01), Ellzey

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