Escalator

Details Escalator Escalator

1982-02-26

1984-09-11

Valenza, Joseph E.

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

By stairway having steps forming an endless member

B65B 912

Patent

active

044704976

ABSTRACT:
A moving stairway in which articulation of the steps from platform to step mode automatically positions panel members to cover the adjacent stationary skirt boards, between the tread part of each step and the riser part of the next adjacent step, and return to platform mode automatically retracts the panel members for passage through the combplate. In a preferred embodiment, the panel members additionally function as active guide elements for laterally guiding the steps through the load bearing run of the moving stairway.

REFERENCES:
patent: 2005067 (1935-06-01), Graff-Baker
patent: 3144118 (1964-08-01), Fabula
patent: 3986595 (1976-10-01), Asano et al.
patent: 4397383 (1983-08-01), James

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