Electrical connectors – With unauthorized connection preventer – e.g. – key or... – Prong cover
Patent
1996-02-13
1997-02-11
Bradley, P. Austin
Electrical connectors
With unauthorized connection preventer, e.g., key or...
Prong cover
439133, H01R 1344
Patent
active
056014406
ABSTRACT:
The present electrical plug lock out apparatus comprises two matable, close-ended lids; a first female threaded lid and a second male threaded lid. Each lid has a flange or brim around the circumference of the lid which is integral with the lid. The flange or brim on each lid has an allignable hole for accepting a conventional pad lock or similar device. The male threaded lid has a plurality of elongated "U" shaped slots running through the threaded wall of the lid to a point approximately midway through the non-threaded wall of the lid. Each slot is sized to accept an electrical cord having a plug head.
REFERENCES:
patent: 4679873 (1987-07-01), Brackett, Jr.
patent: 5052939 (1991-10-01), Koch
patent: 5178551 (1993-01-01), Bach
patent: 5186636 (1993-02-01), Boyer et al.
Bradley P. Austin
Wittels Daniel
LandOfFree
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