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Roller conveyor

  • US 20030141170A1
  • Filed: 01/28/2003
  • Published: 07/31/2003
  • Est. Priority Date: 01/30/2002
  • Status: Active Grant
First Claim
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1. A roller conveyor comprising:

  • a pair of conveyor frames;

    a plurality of rollers which are rotatably mounted between said pair of conveyor frames; and

    rotation driving means for driving a roller or a set of rollers in said plurality of rollers to convey materials, the roller or said set of rollers being able to be transformed to a free roller or rollers which are rotatable in either direction by an external force when said rotation driving means stop.

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