Apparatus for preventing the use of an electrical device

Details Apparatus for preventing the use of an electrical device Apparatus for preventing the use of an electrical device

1990-12-14

1993-01-05

Bradley, Paula A.

Electrical connectors

With unauthorized connection preventer, e.g., key or...

Prong cover

439133, 439367, H01R 1344

Patent

active

051765276

ABSTRACT:
A lockout apparatus for preventing the use of an electrical device is characterized by a body having at least a first channel sized to receive a projecting portion of the electrical apparatus. A bore intersects the first channel and has a locking pin threadably displaceable therein. The locking pin is engagable in securing contact with the projecting portion of the electrical device receiveable within the channel. The body further includes a second bore intersecting the first bore, the second bore being sized for receipt of a member that prevents access to the locking pin disposed in the first bore.

REFERENCES:
patent: 2654073 (1953-09-01), Katz
patent: 2664734 (1954-01-01), McEneaney
patent: 2733416 (1956-01-01), Evalt
patent: 2978613 (1961-04-01), Hein
patent: 3345600 (1967-10-01), Scherer
patent: 3416123 (1968-12-01), Husebo
patent: 3422389 (1969-01-01), Husebo
patent: 3543544 (1970-12-01), Efston
patent: 4025140 (1977-05-01), Matys
patent: 4445738 (1984-05-01), Wiencke
patent: 4566297 (1986-01-01), Hawley

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