Cargo transfer logic circuitry

Details Cargo transfer logic circuitry Cargo transfer logic circuitry

1975-12-22

1977-08-30

Schaffer, Robert K.

Electrical transmission or interconnection systems

Switching systems

Plural switches

315133, 307127, H01H 1964

Patent

active

040456811

ABSTRACT:
A cargo loading and unloading shutoff system is used to control transfer of loads between a cargo aircraft and a loading dock. Control logic means compares commands entered on a control console and the existing conditions in the aircraft and on the dock during a loading or unloading operation. On loading, the logic means shuts off the dock conveyor drive immediately when all loads are transferred to selected aircraft positions and then shuts off the aircraft conveyor drive a predetermined period later. On unloading, the logic means shuts off both the aircraft and dock conveyor drives simultaneously when all loads are transferred to selected dock positions. The logic means also prevents energization of the aircraft and dock conveyor drives when the number of load positions selected in the aircraft is different from the number of load positions selected on the dock.

REFERENCES:
patent: 3952229 (1976-04-01), Rekow

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