Transportation apparatus

Details Transportation apparatus Transportation apparatus

1977-04-14

1981-03-24

Valenza, Joseph E.

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

By stairway having steps forming an endless member

B66B 912

Patent

active

042575150

ABSTRACT:
Transportation apparatus for transporting persons between spaced upper and lower landings, including a plurality of steps mounted for articulation between step and platform modes. Motion markers are disposed on the riser part of at least certain of the steps which appear and disappear responsive to articulation.

REFERENCES:
patent: 898794 (1908-09-01), Seeberger
patent: 2210711 (1940-08-01), Dunlop
patent: 2981397 (1961-04-01), Hansen

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