Control device for passenger conveyor

Details Control device for passenger conveyor Control device for passenger conveyor

1990-07-20

1992-04-28

Skaggs, H. Grant

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

With means to control the operation of the section

B65G 4300

Patent

active

051079755

ABSTRACT:
A control device for a passenger conveyor includes an upward moving device for moving the passenger conveyor upward, a downward moving device for moving the passenger conveyor downward, a detection device of detecting an anomaly of the movement of the passenger conveyor, an emergency stopping device for stopping the movement of the passenger conveyor by emergency stopping either the upward moving device or the downward moving device which is operated when the detection device detects an anomaly, a control device for operating the other of the upward moving device and the downward moving device after the emergency stopping device stops the passenger conveyor to forcibly move the passenger conveyor in a direction opposite to that in which it is moving before it is stopped, and a forcible operation stopping device for stopping the forcible movement of the passenger conveyor when the detection device is reset due to the passenger conveyor being forcibly moved by the control device.

REFERENCES:
patent: 3580376 (1971-05-01), Loshbough
patent: 4139810 (1979-02-01), Ueki et al.
patent: 4151381 (1979-04-01), Holuba

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