Electric receptacle

Details Electric receptacle Electric receptacle

1988-06-06

1989-04-18

Desmond, Eugene F.

Electrical connectors

With contact preventer or retractable cover part

Movably mounted

439145, H01R 13453

Patent

active

048222909

ABSTRACT:
An electrical receptacle for selectively receiving two prong polarized or three prong grounded electrical plugs while excluding non-polarized plugs and other foreign materials from being inserted into the receptacle apertures. The receptacle is provided with a body having an internal cavity containing an aperture shield and a locking bar. The aperture shield is biased to the closed position obstructing the receptacle aperture and is retained in the closed position by the locking bar. The locking bar shifts to the unlocked position upon the insertion of the polarized plug or a ground prong enabling the aperture shield to shift transversely to the open position in response to plug insertion.

REFERENCES:
patent: 2579538 (1951-12-01), Bierce
patent: 3206705 (1965-09-01), Smith
patent: 3222631 (1965-12-01), Cohen
patent: 3238492 (1966-03-01), Houston
patent: 3736547 (1973-05-01), Koenig
patent: 4072382 (1978-02-01), Reschke
patent: 4168104 (1979-09-01), Buschow
patent: 4271337 (1981-06-01), Barkas
patent: 4379607 (1983-04-01), Bowden, Jr.
patent: 4493517 (1985-01-01), Hillary
patent: 4544219 (1985-10-01), Barkas

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