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Receptacle with lamp switch and breaker means

  • US 5,526,225 A
  • Filed: 06/29/1995
  • Issued: 06/11/1996
  • Est. Priority Date: 06/29/1995
  • Status: Expired due to Fees
First Claim
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1. A receptacle of the type comprising a bottom shell and a top cover shell fixed to said bottom shell to hold a positive contact metal plate, a negative contact plate and a ground plate on the inside, said top cover shell having at least one plug hole set for the connection of an electric plug respectively, wherein:

  • said top cover shell comprises an endless flange raised from an outside wall thereof adjacent to said at least one plug hole set, a plurality of recessed portions on the periphery of said endless flange on the inside, a front slot and a lateral slot and a center slot within said endless flange, a pair of upright posts on the inside near one end, a locating post on the inside adjacent to said upright posts, a pair of locating rods on the inside adjacent said positive and negative contact metal plates, an upright stop rod on the inside adjacent to said lateral slot;

    said bottom shell comprises a plurality of upright locating tubes respectively fastened to said upright posts and said locating post;

    a neon lamp circuit mounted on said locating rods and electrically connected between said positive contact metal plate and said negative contact metal plate and having a neon lamp bulb disposed in said center slot on said top cover shell;

    a press button mounted within said endless flange on said top cover shell and supported on spring members, said press button comprising a plurality of raised portions engaged with the recessed portions on said endless flange, two push rods respectively inserted into said front slot on said top cover shell, and a L-shaped stop rod inserted through said lateral slot on said top cover shell;

    a substantially T-shaped copper plate fastened to said upright posts of said top cover shell, said T-shaped copper plate having a platinum contact at a front end thereof;

    a substantially Z-shaped insulative member turned about said locating post of said top cover shell, said insulative member comprising a horizontal upper guide wall and a horizontal lower guide wall at two opposite sides at different elevations, a stop strip suspended below said horizontal upper guide wall, a tilted crescent block adjacent to said horizontal lower guide wall, and a locating hole through said horizontal lower guide wall, which receives said locating post of said top cover shell;

    a torsional spring is mounted around said locating post, having one end stopped above said horizontal lower guide wall of said insulative member and an opposite end stopped against said bottom shell;

    a bimetal strip having a circuit actuating portion curved upwards in the middle, a front half-round recess at one end securely fixed with a platinum contact disposed in contact with the platinum contact on said T-shaped copper plate, and a rear half-round recess at an opposite end riveted to a rear lug on said positive contact metal plate, said bimetal strip being deformed to move the platinum contact of said bimetal strip away from the platinum contact of said T-shaped copper plate when the receptacle is electrically overloaded, said platinum contact of said bimetal strip being moved away from the platinum contact of said T-shaped copper plate by the push rods of said press button when said press button is depressed.

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