Patent ID: 8336878
Filing Date: 2012-12-25
Classification: G07F,G07G

Abstract:
1. A paper discharge device, comprising: a waiting path, one side of which is connected to an input port and another side of which is connected to a discharge port; a collection path, one side of which is connected to the waiting path through a merged portion and another side of which is connected to a collection chamber; a plurality of conveyance mechanisms provided along the waiting path for conveying paper which was conveyed through the input port to the discharge port in a forward direction, and for conveying, after lapse of a given waiting period of time after the conveyance of the paper, the paper in a reverse direction through the merged portion to feed the paper into the collection path; and an input mechanism provided in the collection path for conveying the paper fed from the waiting path through the collection path to discharge the paper into the collection chamber, the input mechanism comprising first rollers and second rollers which rotate while sandwiching the paper therebetween to convey the paper while forming folds across a total length of the paper along a conveying direction by the first and second rollers, each of the first rollers having on an outer peripheral surface thereof an annular projection that projects radially outward, and each of the second rollers having on an outer peripheral surface thereof an annular groove portion into which fits the annular projection of one of the first rollers.