Electrical wall outlet

Details Electrical wall outlet Electrical wall outlet

1987-09-11

1988-06-07

Desmond, Eugene F.

Electrical connectors

With contact preventer or retractable cover part

Movably mounted

H01R 13453

Patent

active

047493607

ABSTRACT:
A device for closing female apertures in an electrical receptacle and opening those apertures responsive to mechanical engagement of a male prong of a plug, having prongs operable for insertion into the receptacle.

REFERENCES:
patent: 2579538 (1951-12-01), Bierce
patent: 3206705 (1965-09-01), Smith
patent: 3327277 (1967-06-01), Ramsing
patent: 3736547 (1973-05-01), Koenig
patent: 4072382 (1978-02-01), Rescake
patent: 4168104 (1979-09-01), Buschow
patent: 4201131 (1980-05-01), McDonald
patent: 4293172 (1981-10-01), Lingaraju
patent: 4493517 (1985-01-01), Hillary

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