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Magnetic electrical connectors

  • US 4,211,456 A
  • Filed: 01/31/1979
  • Issued: 07/08/1980
  • Est. Priority Date: 01/31/1979
  • Status: Expired due to Term
First Claim
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1. A device for electrically coupling a first and second portion of an electrical circuit, comprising:

  • a cylindrical housing, having a axial end and a cylinderical cavity in said axial end, said housing being electrically conductive and electrically coupled to said first circuit portion;

    a magnet of size to fit within said cavity a spaced distance below said housing axial face, and so positioned; and

    a sphere of magnetically attracted and electrically conductive material, electrically coupled to said second circuit portion, with diameter greater than the diameter of said cavity, and, when positioned to contact said housing axial face around the lip of said cavity, magnetically retained against said lip by said magnet, thereby forming an electrical coupling between said first and second circuit portions.

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