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Fault indicator and means for resetting same

  • US 4,165,528 A
  • Filed: 02/13/1978
  • Issued: 08/21/1979
  • Est. Priority Date: 07/26/1976
  • Status: Expired due to Term
First Claim
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1. Means for resetting the pivoted target of a fault indicator of the type having a generally cylindrical housing, a target mounted for rotation in a plane generally perpendicular to the axis of said housing at one end thereof and including a target permanent magnet mounted for rotation with said target, a stationary permanent magnet within said housing for biasing said target magnet to position said target in a fault indicating position, and means including a pair of demagnetizable pole pieces extending longitudinally in parallel-shaped relationship within said housing for biasing said target magnet to position said target in a reset position, comprising in combination:

  • a receptacle dimensioned for telescopic engagement with said housing;

    a winding coaxially disposed within said receptacle for magnetic communication with said pole pieces when said housing is seated in said receptacle; and

    means for energizing said winding from a source of direct current.

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