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Conveyor belt with wear-tolerant stacked rollers

  • US 8,424,675 B2
  • Filed: 06/15/2010
  • Issued: 04/23/2013
  • Est. Priority Date: 06/15/2010
  • Status: Active Grant
First Claim
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1. A conveyor belt comprising:

  • a top side and an opposite bottom side;

    multiple roller sets, each roller set including a top roller protruding outward of the top side and a bottom roller below the top roller, the bottom roller being movable into contact with the top roller such that driving of one of the rollers in a first direction causes rotation of the other roller in an opposite second direction;

    multiple cavities opening onto the top and bottom sides and bounded by a wall extending through the conveyor belt between the top and bottom sides, each cavity housing one of the bottom rollers;

    a frame supporting each one of the bottom rollers rotatably within one of the cavities, wherein the frame is slidable along the wall of the cavity toward and away from the top roller.

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