AUTOMATIC DOCUMENT FEEDER

摘要

An automatic document feeder includes a main body defining a passage for transporting a document. A feeding roller unit includes a feeding driving roller and a feeding idle roller coupling with the feeding driving roller. The feeding driving roller and the feeding idle roller are disposed at opposite sides of the passage. A drawing-out roller unit includes a drawing-out driving roller and a drawing-out idle roller coupling with the drawing-out driving roller. The drawing-out driving roller and the drawing-out idle roller are disposed at opposite sides of the passage. The drawing-out driving roller and the feeding driving roller are at the same side of the passage. And a belt is put around the feeding driving roller and the drawing-out driving roller to mate with the feeding idle roller and the drawing-out idle roller respectively for flatting and conveying the document into and out of the automatic document feeder.