Patent ID: 6581922
Filing Date: 2003-06-24
Classification: B42C,B65H,G03G

Abstract:
A sheet processing apparatus, comprising:a first sheet stacking portion for temporarily stacking a sheet discharged thereon; alignment means for alignment of a sheet discharged on said first sheet stacking portion; sheet processing means for performing a predetermined process on the sheet stacked on said first sheet stacking portion; and a second sheet stacking portion located substantially vertically below said first sheet stacking portion, wherein said alignment means acts to cause the aligned sheet to drop to said second sheet stacking portion, said alignment means includes a guide member arranged to abut on a side surface of the sheet in a widthwise direction thereof, discharged on said first sheet stacking portion and to be movable in the widthwise direction of the sheet, and driving means for driving said alignment means, and said driving means includes a motor arranged to generate a driving force, a transmission gear provided on said first sheet stacking portion and arranged to be rotated by the driving force, and a rack member provided on said guide member and arranged to change rotation of said transmission gear to a moving force in the width direction of the sheet.