Curved escalator

Details Curved escalator Curved escalator

1987-05-01

1989-03-07

Spar, Robert J.

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

By stairway having steps forming an endless member

198335, B66B 2102

Patent

active

048098400

ABSTRACT:
A curved escalator comprises a plurality of segment steps movable along the stairway path, an inner balustrade panel of balustrades vertically disposed along an outer and an inner side of the stairway path, a moving handrail supported by a handrail guide for a guided movement along the balustrade, a skirt guard mounted to the frame work and extending in parallel to a travel path of the steps, and a guide rail for guiding step axles of the steps. The guide rail varies in its radius of curvature and the position of its center of curvature along its length in accordance with the varying slope angle, and the handrail guide varies in its radius of curvature and the position of its center of curvature along its length in correspondence with the radius of curvature and the position of center of curvature of the guide rail.

REFERENCES:
patent: 701459 (1902-06-01), Aston
patent: 999885 (1911-08-01), Seeberger
patent: 3878931 (1975-04-01), Luna
patent: 3989133 (1976-11-01), Courson et al.
patent: 4662502 (1987-05-01), Nakatani

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