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Thin flange and loose wheel detection system

  • US 4,407,072 A
  • Filed: 11/13/1981
  • Issued: 10/04/1983
  • Est. Priority Date: 11/13/1981
  • Status: Expired due to Fees
First Claim
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1. A system for detecting the thickness of a flange of a railroad wheel which is reduced from a predetermined thickness, comprising a pair of relatively movable contact means for respectively bearing against the inner face of the flange and the back face of the rim of the railroad wheel, means for operating said contact means to effect said relative movement thereof upon a passing by of said wheel, switch means actuated upon relative movement of said contact means toward one another to a spacing which is less than said predetermined thickness, and means connected to said switch means for signalling a reduced flange thickness condition upon said relative movement.

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