Escalator safety insert

Details Escalator safety insert Escalator safety insert

1981-05-11

1983-08-09

Watson, Robert C.

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

By stairway having steps forming an endless member

B66B 912

Patent

active

043973833

ABSTRACT:
There is provided a safety insert for use on an escalator having moving steps, each of which defines at the top a plurality of upstanding, spaced-apart teeth separated by a plurality of grooves, the escalator including a side skirt closely adjacent the sides of the steps. The safety insert is of a resilient material, and is a one-piece, elongated member of constant section. The section includes a lower portion which is sized and shaped so as to be receivable snugly within the furthest sideward groove in a step, and also includes an upper portion which extends above the tops of the teeth when the lower portion is received in its groove. The upper portion projects obliquely upwardly and sidewardly from the lower portion, and terminates in an abutment region which, which the lower portion is received within its groove, is spaced inwardly from the escalator side skirt and spaced above the tooth immediately outward of the groove in which the lower portion is received.

REFERENCES:
patent: 4236623 (1980-12-01), Ackert
Mechanical Behavior of Engineering Materials by Conway & Queeney Dept. Eng. Sci. & E. Mch., Penn St. U. Jan. 1979, pp. 25-27.

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