Handrail drive for a passenger conveyor

Details Handrail drive for a passenger conveyor Handrail drive for a passenger conveyor

1995-06-30

1998-05-26

Bidwell, James R.

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

By stairway having steps forming an endless member

198330, B66B 2304

Patent

active

057553157

ABSTRACT:
A handrail drive for a passenger conveyor includes a drive belt that does not encompass either the main drive shaft or the handrail drive shaft. In a particular embodiment, the drive belt includes a plurality of outwardly extending teeth and is formed from a reinforced elastomeric material. The teeth are engaged with complementary toothed extensions on the main and handrail drive shafts. Two pair of deflection rollers maintain contact between the drive belt and drive shafts and an adjustable spring maintains tension in the drive belt.

REFERENCES:
patent: 3049213 (1962-08-01), Fabula
patent: 3321060 (1967-05-01), Mullis et al.
patent: 3365051 (1968-01-01), Mullis et al.
patent: 3749224 (1973-07-01), Engeler
patent: 4775044 (1988-10-01), Hofling
patent: 5125494 (1992-06-01), Nurnberg et al.
patent: 5522492 (1996-06-01), Spriggs et al.

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