Remote-control device for a crane

Details Remote-control device for a crane Remote-control device for a crane

1979-12-21

1981-12-29

Sheridan, Robert G.

Traversing hoists

With haul-in line

200 81H, B66C 1342, B66C 1344

Patent

active

043078109

ABSTRACT:
A remote-control assembly for controlling a crane or the like which completely insulates the operator of the remote-control assembly from electric shock. The remote-control assembly includes a remote-control box having a plurality of fluid valves, a converter box including a plurality of pressure switches, and a plurality of fluid lines connecting the fluid valves to the pressure switches. The pressure switches are electrically connected to an electric plug which is adapted to be connected to the electrical control box on the chassis of the crane for operating the crane.

REFERENCES:
patent: 2254083 (1941-08-01), Nickles et al.
patent: 2523170 (1950-09-01), Wickerham
patent: 3845258 (1974-10-01), Bruels

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