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Cordless electrical appliances

  • US 5,413,510 A
  • Filed: 03/16/1993
  • Issued: 05/09/1995
  • Est. Priority Date: 09/17/1990
  • Status: Expired due to Term
First Claim
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1. An electrical appliance and base comprising:

  • an electrical appliance including a male pin connector;

    a base for the appliance, the base including a female socket connector which is arranged to be engaged by the male pin connector when the appliance is placed on the base; and

    at least one electrical connection between the male pin and female socket connectors being formed by a leaf spring mounted silver faced contact with a corresponding male pin, the male pin being made, at least in a contact forming region thereof, of copper, the male pin wiping against the silver faced contact during engagement and disengagement of the female socket connector and the male pin connector so that silver from the silver faced contact is transferred to the pin.

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