Handrail drive pressure chain with soft rollers

Details Handrail drive pressure chain with soft rollers Handrail drive pressure chain with soft rollers

1994-03-23

1994-12-13

Dayoan, D. Glenn

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

Moving hand-support structure

B66B 2304

Patent

active

053722329

ABSTRACT:
An apparatus for driving a handrail of a passenger conveying device is provided, having a drive wheel and apparatus for pressuring the handrail against the drive wheel. The apparatus for pressuring includes a plurality of rollers, made of a polymeric material having a hardness range less than that of the handrail. Specifically, the polymeric material is made of a thermoplastic polyurethane elastomer having a Shore A hardness in a range equal to or greater than 62 and less than or equal to 68 Shore A.

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patent: 5117960 (1992-06-01), Ahls et al.
patent: 5125494 (1992-06-01), Nurnberg et al.

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