Plug lockout

Details Plug lockout Plug lockout

1994-02-17

1997-01-07

Vu, Hien D.

Electrical connectors

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

439134, H01R 13422

Patent

active

055910386

ABSTRACT:
An electrical plug lockout device having an integrally formed pin for engaging with a prong of an electrical plug to prevent unauthorized insertion of the plug into an electrical outlet. The plug lockout further includes shielding means for shielding all of the prongs of a plug against inadvertant or unauthorized use.

REFERENCES:
patent: 2844805 (1958-07-01), Darrell
patent: 3345600 (1967-10-01), Scherer
patent: 3416123 (1968-12-01), Husebo
patent: 3422389 (1969-01-01), Husebo
patent: 3539968 (1970-11-01), Tunstall et al.
patent: 3781913 (1973-12-01), Liburdi
patent: 4025140 (1977-05-01), Matys
patent: 5055057 (1991-10-01), Boyer
patent: 5176527 (1993-01-01), Herbert

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