Cogbelt handrail drive for passenger conveyor

Details Cogbelt handrail drive for passenger conveyor Cogbelt handrail drive for passenger conveyor

1989-03-16

1990-01-23

Spar, Robert J.

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

By stairway having steps forming an endless member

198335, B66B 2100

Patent

active

048952400

ABSTRACT:
The handrail of an escalator of other passenger conveyor is driven by traction rollers which engage the handrail and also directly engage links which are connected to and drive the steps or tread of the conveyor. The handrail is biased into engagement with the traction rollers, and moves at substantially precisely the same speed as the steps or tread due to the direct connection between the step or tread drive and the handrail drive.

REFERENCES:
patent: 3653484 (1972-04-01), Taylor
patent: 3779360 (1973-12-01), Taher et al.
patent: 4134883 (1979-01-01), Mendelsohn et al.
patent: 4200177 (1980-04-01), Sato et al.
patent: 4535880 (1985-08-01), Boltrek

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