Patent ID: 7699313

Claim:
A paper sheet stacking apparatus comprising: a conveying device having a first pair of conveying belts including an upper belt and a lower belt and second pairs of conveying belts each including an upper belt and a lower belt, the second pairs of conveying belts being arranged at both the sides of the first pair of conveying belts in parallel with a predetermined distance between them, the conveying device conveying paper sheets along a widthwise direction thereof by the first and second pairs of conveying belts; an impeller configured to introduce the paper sheets conveyed by the conveying device; and a stacking unit configured to stack the paper sheets discharged from the impeller, wherein only the upper belt of the first pair of conveying belts is extended from a take-out end of the conveying device to the impeller, and the extended upper belt conveys and guides the paper sheets to the impeller.