Balustrade radius development for curved escalator

Details Balustrade radius development for curved escalator Balustrade radius development for curved escalator

1990-07-11

1991-01-15

Dayoan, D. Glenn

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

By stairway having steps forming an endless member

198335, B66B 2106

Patent

active

049846710

ABSTRACT:
The balustrade of a linear or curved escalator has upper and lower edges that are curved in elevation between the horizontal landing portions and the constant slope inclined medial portion of the escalator. The radius which defines the upper and lower balustrade curves is developed so as to have the maximum value possible without producing a discontinuity in the vertical distance between the escalator handrail and the escalator tread surface which would be noticeable by a passenger on the escalator.

REFERENCES:
patent: 1049613 (1913-01-01), Seeberger
patent: 2211427 (1940-08-01), Margles
patent: 3049213 (1962-08-01), Fabuca
patent: 3749224 (1973-07-01), Engeler
patent: 4154336 (1979-05-01), Sorokin
patent: 4227605 (1980-10-01), Hofling

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