Device for restraining the rise of a step roller of an...

Details Device for restraining the rise of a step roller of an... Device for restraining the rise of a step roller of an...

2004-11-26

2008-07-22

Hess, Douglas A. (Department: 3651)

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

By stairway having steps forming an endless member

C198S333000

Reexamination Certificate

active

07401692

ABSTRACT:
A device for restraining the rise of a step roller of an escalator prevents the step roller from colliding with rails of a track in turn around areas at the top and bottom of the escalator. The device comprises: a supplementary roller, which is disposed between an outer rail and an inner rail of the track; an elastic member for biasing the supplementary roller toward the outer rail to roll thereon; and a supporting block to which the elastic member is fixed.

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PCT International Search Report for PCT/KR2004/003077, dated Feb. 25, 2005.
PCT Written Opinion for PCT/KR2004/003077, dated Feb. 25, 2005.

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