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Automatic tie plate sorting conveyor

  • US 4,909,375 A
  • Filed: 06/07/1988
  • Issued: 03/20/1990
  • Est. Priority Date: 06/07/1988
  • Status: Expired due to Term
First Claim
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1. A sorting conveyor for rail tie plates or the like comprising:

  • an inclined frame having an upper end and a lower end;

    an endless conveyor belt formed of a plurality of links pivotally joined to one another, said links having plate pockets formed thereon, said belt having an upper strand and a lower strand and adapted to travel a continuous path upon said frame between said lower end and said upper end;

    means for driving said belt on said frame;

    plate supply means adapted to retain a pile of tie plates at said lower end of said conveyor, a first plurality of the plates being wholly retained in said plate pockets of said moving belt, a second plurality of the plates being only partially retained in said pockets and misaligned on said belt; and

    rejecter means adapted to intercept the misaligned plates carried on said upper strand of said belt and return the intercepted plates to said pile, said rejecter means including at least one rejecter hook mounted to said frame above said working strand of said belt, said hook being biased in a direction opposite to the direction of travel of said upper strand of said belt upon said frame, and being provided with a free end adapted to slidingly engage said upper belt strand.

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