Automatic elevator hall call delay apparatus

Details Automatic elevator hall call delay apparatus Automatic elevator hall call delay apparatus

1988-02-12

1988-10-11

Shoop, Jr., William M.

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

047764325

ABSTRACT:
In an automatic elevator system which has a plurality of elevator cars, manually operable buttons at floors to register hall calls and control circuits for controlling the movement of the elevator cars, the improvement which includes time delay circuits intermediate the buttons and the control circuits for causing the control circuits to recognize the registration of a hall call but which will delay the response of the control circuit, and hence, the stopping of a car at the floor at which a hall call has been registered, until a predetermined time after such hall call has been registered.

REFERENCES:
patent: 2944634 (1960-07-01), Magee
patent: 3511344 (1970-05-01), De Lamater
patent: 3774728 (1973-11-01), Metzler et al.
patent: 4126849 (1978-11-01), Mente et al.
patent: 4230206 (1980-10-01), Brooks

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