Patent ID: 7607659
Filing Date: 2009-10-27
Classification: B65H

Abstract:
1. A sheet processing apparatus which processes a sheet, comprising: a sheet conveying portion which conveys the sheet; a sheet stacking portion which stacks the sheet conveyed by the sheet conveying portion thereto; a movement portion which moves the sheet conveyed to the sheet stacking portion; a reference wall against which the sheet moved by the movement portion abuts, the reference wall regulating the sheet; a pressure portion which is movably provided between the movement portion and the reference wall, the pressure portion pressing the sheet with a first urging force while the movement portion is moving the sheet to the reference wall; and an urging unit which urges the pressure portion in a direction for pressing the sheet, a controller configured to control the urging unit to urge the pressure portion to hold the sheet regulated by the reference wall with a second urging force larger than the first urging force while a subsequent sheet is passing through the sheet conveying portion.