Drive for an escalator

Details Drive for an escalator Drive for an escalator

1999-01-28

2000-12-05

Valenza, Joseph E.

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

By stairway having steps forming an endless member

198322, 19881001, B66B 2302

Patent

active

061554014

ABSTRACT:
A drive for an escalator is installed on one or both sides of the escalator at the lower and/or upper end and comprises one to several identically constructed drive units, which are arranged and distributed about the circumference of a main drive wheel. The drive units can be flange-mounted in either a longitudinal or transverse direction to the direction of travel of the escalator on a common main gear housing which can be identical for the support of one or more drive units. The operation of the motors of the drive units are controlled by way of a common frequency-setting device. A control and regulating unit processes input data into control and regulating data for the frequency-setting device, a relay control and optical signals and illumination for the escalator. The individual drive units are switched in or out according to the actual power requirements of the escalator during operation.

REFERENCES:
patent: 4775044 (1988-10-01), Hofling
patent: 5224580 (1993-07-01), Nurnberg et al.
Patent Abstracts of Japan pub. No. 04133991 of Jul. 5, 1992 "Method and Device for Driving Man-Conveyor".

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