Supervisory control means for automatic elevator systems

Details Supervisory control means for automatic elevator systems Supervisory control means for automatic elevator systems

1977-06-27

1978-12-05

Schaefer, Robert K.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

B66B 146

Patent

active

041281438

ABSTRACT:
A modular supervisory control means for overriding normal operation modes of automatic elevator systems has the versatility of being stationed anywhere in proximity to the elevator system. The supervisory control means is physically separated from the predetermined control circuit of the elevator system and includes a plurality of relays each having an electrical input and outputs, a first group of terminals electrically coupled to the inputs and outputs of the relays, a second group of terminals at least some of which are electrically coupled to the predetermined control circuit of the elevator system, and interconnecting means for electrically coupling at least some terminals of the first group of terminals to at least some terminals of the second group of terminals whereby the supervisory control means is readily adaptable to supervise as many normal modes of operation as desired of any elevator system in response to an electrical signal.

REFERENCES:
patent: 3297109 (1967-01-01), Magee
patent: 3388376 (1968-06-01), Magee
patent: 3726364 (1973-04-01), Citrin et al.
patent: 3773145 (1973-11-01), Drexler
patent: 3788428 (1974-01-01), Fried
patent: 3971885 (1976-07-01), Kito

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