Escalator

Details Escalator Escalator

1983-09-15

1985-08-20

Valenza, Joseph E.

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

By stairway having steps forming an endless member

198331, B65B 912, B65B 914

Patent

active

045358800

ABSTRACT:
An escalator having a drive unit mounted in a supporting truss via a deflection beam. Load forces developed in the drive unit are transmitted from the drive unit to the ends of the deflection beam via elongated mounting base members which are not subjected to bending moments sufficient to cause harmful deflection and misalignment of the driving and rotating elements of the drive unit. The midpoint of a deflection beam is attached to the truss. Positioning devices adjustably orient the drive unit in the truss, and the midpoint connection of the drive unit to the truss adjustably selects the position of the drive unit along the longitudinal axis of the truss.

REFERENCES:
patent: 785882 (1905-03-01), Hocquart
patent: 898009 (1908-09-01), Seeberger
patent: 3677388 (1972-07-01), Boltrek et al.
patent: 4148453 (1979-04-01), Brantly

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