Power interrupter for electrical devices

Details Power interrupter for electrical devices Power interrupter for electrical devices

1975-07-02

1976-06-22

Miller, J. D.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340255, H02H 102

Patent

active

039653951

ABSTRACT:
A device for normally supplying electrical power from a power source to an electrical device having a working portion which may come into contact with a grounded metal object during its operation and for automatically interrupting such power supply to the device whenever the working portion of the device actually does contact the grounded metal object.

REFERENCES:
patent: 2275883 (1942-03-01), Bany
patent: 3340433 (1967-09-01), Almquist
patent: 3386004 (1968-05-01), Dwyer

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