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CONVEYORS AND METHODS FOR NON-UNIFORMLY ACCELERATING CONVEYED ARTICLES

  • US 20090229953A1
  • Filed: 03/14/2008
  • Published: 09/17/2009
  • Est. Priority Date: 03/14/2008
  • Status: Active Grant
First Claim
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1. A conveyor comprising:

  • at least one conveyor belt advancing upstream to downstream in a direction of belt travel, the at least one conveyor belt having a plurality of rollers extending through the thickness of the belt and arranged to rotate in a direction of rotation to accelerate articles conveyed atop the rollers in the direction of rotation;

    at least one bearing surface underlying the at least one conveyor belt and providing tracks extending in the direction of belt travel along which the rollers roll as the belt advances to define an acceleration zone extending across the width of the conveyor between an upstream end and a downstream end, in which zone articles carried atop the rollers are accelerated along the belt in the direction of rotation by rotation of the rollers rolling along the tracks;

    wherein the distance in the direction of belt travel between the upstream end and the downstream end of the acceleration zone varies across the width of the conveyor.

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