Special emergency service control arrangement for elevator car

Details Special emergency service control arrangement for elevator car Special emergency service control arrangement for elevator car

1997-02-28

1998-07-14

Nappi, Robert

Elevator, industrial lift truck, or stationary lift for vehicle

With barrier for regulating access to load support

Includes motor or motor driven linkage for shifting barrier

187393, 187390, B66B 1314

Patent

active

057807884

ABSTRACT:
An electronic controller arrangement for an elevator car includes an auxiliary controller including instructions for disconnecting a main operational controller from a door operator when either a Phase I (emergency car recall operation); or a Phase II (in-car operation during emergency); special emergency service signal is detected by the auxiliary controller and for performing all door control operations during the Phase I or Phase II emergency condition.

REFERENCES:
patent: 3726364 (1973-04-01), Citrin et al.
patent: 3773145 (1973-11-01), Drexler
patent: 4128143 (1978-12-01), Petterson et al.
patent: 4210226 (1980-07-01), Ichioka
patent: 4298100 (1981-11-01), Suss et al.
patent: 4326606 (1982-04-01), Kuzunuki et al.
patent: 4567560 (1986-01-01), Polis et al.
ASME Rules pp. 86-88, 1993.

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