Safety plug receptacle

Details Safety plug receptacle Safety plug receptacle

1991-04-05

1992-05-12

Bradley, Paula A.

Electrical connectors

Having circuit interrupting provision effected by mating or...

200 5109, 200 5110, 200317, 439490, H01R 2900

Patent

active

051122375

ABSTRACT:
A safety plug receptacle, comprising a shuttle means controlled by the plug which is inserted therein to connect the two conductive clamps therein, which are provided for connecting the two plug pins of said plug, to an external power supply. Removal of the plug causes the shuttle means to disconnect the two conductive clamps. Indicator lamp is mounted on the casing of the plug receptacle to give light when the two conductive clamps are connected. Hook means are respectively attached to the two conductive clamps for hooking plug pins in position. Socket means is set to isolate the two conductive clamps from each other so as to eliminate possible short circuit problem.

REFERENCES:
patent: 3119046 (1964-01-01), Usher
patent: 3924914 (1975-12-01), Banner
patent: 4052580 (1977-10-01), Stanish
patent: 4148536 (1979-04-01), Petropoulsos et al.
patent: 4191871 (1980-03-01), Coyle
patent: 4230386 (1980-10-01), Farnworth et al.
patent: 4283102 (1981-08-01), Richier
patent: 4853823 (1989-08-01), Arechavaleta et al.

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