Linear belt handrail drive

Details Linear belt handrail drive Linear belt handrail drive

1991-08-15

1992-06-02

Dayoan, D. Glenn

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

Moving hand-support structure

198833, B66B 2304

Patent

active

051179601

ABSTRACT:
An escalator or moving walkway handrail is driven by a pair of linear belts which engage opposite sides of the handrail along the return path of travel thereof. The belt that engages the underside of the handrail is a powered drive belt, and the belt that engages the upper-side of the handrail is a pressure or reaction belt. Both belts are held against the handrail by a set of biased pressure rollers which urge the reaction belt against the handrail. The belts serve to convert line contact with the pressure rollers into area contact with the handrail thereby spreading out the driving forces acting upon the handrail.

REFERENCES:
patent: 3414109 (1968-12-01), Clark
patent: 3779360 (1973-12-01), Taher et al.
patent: 4134883 (1979-01-01), Mendelsohn et al.
patent: 4875568 (1989-10-01), Hermann et al.

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