Driving unit for escalators for driving the step band

Details Driving unit for escalators for driving the step band Driving unit for escalators for driving the step band

1976-09-16

1980-10-14

Valenza, Joseph E.

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

By stairway having steps forming an endless member

B66B 914

Patent

active

042276055

ABSTRACT:
A driving unit for driving the circulating step band of escalators which is arranged inwardly of the step band and includes an electric motor, a transmission and a hand rail drive. The output shaft of the transmission simultaneously serves as main drive shaft for the step band. The electric notor has a housing which is formed by a rotor which is journalled in an overhung manner on the input shaft of the transmission. The torque of the transmission is absorbed through the intervention of a torque support by a handrail drive shaft which is driven by a chain or a gear transmission.

REFERENCES:
patent: 1043740 (1912-11-01), Sundh
patent: 1750237 (1930-03-01), Mayer
patent: 2460017 (1949-01-01), Lautrup et al.
patent: 3321060 (1967-05-01), Mullis et al.
patent: 3696909 (1972-10-01), Kojima et al.
patent: 3707220 (1972-12-01), Boltrek et al.

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