Belt drive assembly for a passenger conveyor

Details Belt drive assembly for a passenger conveyor Belt drive assembly for a passenger conveyor

2007-05-22

2007-05-22

Bidwell, James R. (Department: 3651)

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

By stairway having steps forming an endless member

C198S326000, C198S833000

Reexamination Certificate

active

10543287

ABSTRACT:
A passenger conveyor drive belt assembly (40) includes a belt support (60) that facilitates proper engagement between the drive belt (42) and corresponding links (32) of a step chain (30) under selected conditions such as a full brake application. The belt support (60) preferably is positioned between a drive sheave (50) and an idler sheave (52) within the loop traveled by the drive belt. The belt support (60) includes at least one moveable support member (62) that does not contact the inner surface of the drive belt during normal operation conditions. In one example, the belt support (60) comprises a plurality of rollers (62).

REFERENCES:
patent: 3365051 (1968-01-01), Mullis et al.
patent: 3658166 (1972-04-01), Hara et al.
patent: 3967720 (1976-07-01), Arieh
patent: 4058204 (1977-11-01), Arieh
patent: 4082173 (1978-04-01), Simon-Kochloffel
patent: 4535880 (1985-08-01), Boltrek
patent: 4895240 (1990-01-01), Bruehl et al.
patent: 6540060 (2003-04-01), Fargo et al.
patent: 1086930 (1966-07-01), None
PCT International Search Report PCT/US03/03724; Feb. 6, 2003.

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