Safety plug with switch means

Details Safety plug with switch means Safety plug with switch means

1996-03-29

1997-07-01

Pirlot, David L.

Electrical connectors

With circuit component or comprising connector which fully...

Connector includes or covers additional component

439621, 200 51R, H01R 1368

Patent

active

056430124

ABSTRACT:
A safety plug which includes a first metal contact plate and a second metal contact plate respectively connected to the two conductors of an electric wire, and a first metal blade and a second metal blade for connection to an electric power outlet. A cartridge fuse is connected between the second metal contact plate and the second metal blade. A switch is controlled to force the first metal contact plate into contact with the first metal blade to close the circuit. A base is mounted within a housing to hold the above members therein which has a rear panel and two plug holes on the rear panel for the insertion of an external electric plug for connection the first metal blade and the second metal blade, and a slide controlled to close/open the plug holes of the rear panel.

REFERENCES:
patent: 2259359 (1941-10-01), Thompson
patent: 2277216 (1942-03-01), Epstein
patent: 3324260 (1967-06-01), Schumacher
patent: 4167658 (1979-09-01), Sherman
patent: 4484185 (1984-11-01), Graves
patent: 5435755 (1995-07-01), Chien et al.
patent: 5451173 (1995-09-01), Mai

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