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Magnetic safety receptacle and plug

  • US 4,451,113 A
  • Filed: 08/02/1982
  • Issued: 05/29/1984
  • Est. Priority Date: 08/02/1982
  • Status: Expired due to Fees
First Claim
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1. A safety receptacle and plug comprising:

  • a receptacle assembly includingsupport means having an exterior surface and an interior surface,a first electrical contact pair extending through said support means and having exterior surfaces and interior surfaces,an over-center drop-out member coupled to said support means proximate said interior surface, said drop-out member including a second electrical contact pair adapted to abut the interior surfaces of said first electrical contact pair, and a first ferromagnetic member, where said drop-out member is movable between an open position and a closed position in contact with said first electrical contact pair; and

    a plug assembly includinga plug body,a third electrical contact pair supported by said plug body and adapted to abut the exterior surfaces of said first electrical contact pair,and a second ferromagnetic member carried by said plug body;

    whereby when said third electrical contact pair abuts said first electrical contact pair magnetic attraction between said first ferromagnetic member and said second ferromagnetic member causes said drop-out member to move to said closed position.

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