Electricity: electrical systems and devices – Safety and protection of systems and devices – Load shunting by fault responsive means
Patent
1995-09-26
1998-05-05
Leja, Ronald W.
Electricity: electrical systems and devices
Safety and protection of systems and devices
Load shunting by fault responsive means
361111, 439652, H02H 900
Patent
active
057484244
ABSTRACT:
The present invention provides an electrical plug receptacle which includes a housing including a cover having a primary wall and a perimetral wall respectively including a plurality of prong-receiving apertures, and a plate opposite to said primary wall, having a pair of prong projecting through holes and engaging with the cover so as to define an inner space of the housing, a conducting attaching set passing through the pair of prong projecting through holes from an inside of the housing and adapted for attaching the electrical plug receptacle to a wall receptacle, a retaining set encased in the housing, electrically connected to the conducting attaching set and corresponding to the plurality of prong-receiving apertures for retaining therein a plug of an electrical appliance, and a circuit encased in the housing and electrically connected to the conducting attaching set for protecting the electrical appliance when there is a surge voltage. Such an electrical plug receptacle receives the electrical appliance adaptors not only from the primary wall but also from the perimetral wall, and preferably includes a protective circuit which is highly recommended as a safety guard for effectively preventing accidents.
REFERENCES:
patent: 4876713 (1989-10-01), Crosby et al.
patent: 4934962 (1990-06-01), Luu et al.
patent: 5383799 (1995-01-01), Fladung
patent: 5466165 (1995-11-01), Boesel et al.
Leja Ronald W.
Primax Electronics Ltd.
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