Childproof electrical receptacle

Details Childproof electrical receptacle Childproof electrical receptacle

1992-04-06

1993-12-07

Bradley, Paula A.

Electrical connectors

With contact preventer or retractable cover part

Movably mounted

174 67, 439137, H01R 13453, H01R 13447

Patent

active

052678709

ABSTRACT:
A wiring device or receptacle having a rotatable or slidably mounted shutter for blocking entrance of the positive prong of a power plug into the hazardous, positive receptacle slot unless the neutral prong of the power plug has actuated the shutter to the open, positive prong passing position. The neutral receptacle slot length is increased to allow the shutter to be actuated in a direct manner upon contact and subsequent applied force against the shutter in the slot length direction, in order for the shutter to be actuated to the open, positive prong passing position.

REFERENCES:
patent: 2545536 (1951-03-01), Von Holtz
patent: 2752581 (1956-06-01), Benander
patent: 3363215 (1968-01-01), Smith
patent: 3980372 (1976-09-01), Ranzanigo
patent: 4037901 (1977-07-01), Kaszuka
patent: 4206957 (1980-06-01), Ludwig
patent: 4379607 (1980-10-01), Bowden, Jr.
patent: 4586765 (1986-05-01), Ban
patent: 4768965 (1988-09-01), Chang

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