Patent ID: 6997449
Filing Date: 2006-02-14
Classification: G03G

Abstract:
1. A sheet processing apparatus having folding means for folding a sheet on which an image was formed and wherein the sheet folded by said folding means is discharged onto a folded sheet stacking portion through a folded sheet discharging port, comprising: sheet stacking means provided in a main body of said apparatus for a shifting movement in an up-and-down direction and adapted to stack a sheet discharged from an upper discharging port provided above said folded sheet discharging port without passing through said folding means; a shutter member provided in said main body of said apparatus for a shifting movement in an up-and-down direction and adapted to be lifted and lowered upon upward and downward shifting movements of said sheet stacking means to open and close said folded sheet discharging port; and a pressing member provided on said shutter member and adapted to push the sheet stacked on said folded sheet stacking portion.