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Auxiliary power port with integrated resettable overcurrent protection device

  • US 6,147,850 A
  • Filed: 12/16/1998
  • Issued: 11/14/2000
  • Est. Priority Date: 12/16/1998
  • Status: Expired due to Fees
First Claim
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1. A power port for connecting a plug of an electrical device to an electrical circuit, the power port comprising:

  • a receptacle having means for making electrical connection with the circuit;

    a sleeve for receiving the plug therein and removably insertable into the receptacle; and

    a layer of positive temperature coefficient material sandwiched between an outer surface of the sleeve and an inner surface of the receptacle to conduct electrical current therebetween under normal circuit conditions and to substantially block said electrical current when the overcurrent condition occurs.

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