Crane hoist safety deactivator

Details Crane hoist safety deactivator Crane hoist safety deactivator

1992-04-06

1993-11-09

Crosland, Donnie L.

Communications: electrical

Condition responsive indicating system

With particular coupling link

340673, 340685, 212149, 212153, 361 1, G08B 108, B66C 1318

Patent

active

052606880

ABSTRACT:
Sensors mounted on respective cargo transport trucks transferring cargo to a hoisting crane and responsive to an unsafe condition in such trucks to generate an electrical safety signal to be transmitted to such crane for rendering the hoisting mechanism inoperative.

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