Patent ID: 7726639
Filing Date: 2010-06-01
Classification: B65H

Abstract:
1. A sheet processing apparatus comprising: a compiling tray that receives and stacks supplied sheets that have undergone a predetermined post-processing; a longitudinal reference wall that aligns said sheets supplied to said compiling tray by pushing a portion, not having undergone said predetermined post-processing, of each of said sheets; a longitudinal alignment unit that pushes said sheets on the longitudinal reference wall by acting on said portion, not having undergone said predetermined post-processing, of each of said sheets stacked on said compiling tray; a counting unit that counts said sheets supplied to said compiling tray; a longitudinal alignment assisting unit that moves in a thickness direction of said sheets according to a count obtained by said counting unit by acting on a portion having undergone said predetermined post-processing that conveys the sheets to the longitudinal reference wall and assists the sheet alignment performed by the longitudinal alignment unit, wherein said counting unit counts said sheets by converting one sheet of said sheets into n-sheets (n>1); and said longitudinal alignment assisting unit moves in said thickness direction of said sheets according to said count obtained by said counting unit when said longitudinal alignment assisting unit acts on said portion, having undergone said predetermined post-processing, of each of said sheets.