Patent ID: 7152856
Filing Date: 2006-12-26
Classification: B65H

Abstract:
1. A sheet processing apparatus comprising: a sheet stack portion on which sheets are stacked; a sheet folding device which folds the sheets, the sheet folding device having a pushing plate and a folding roller pair, the folding roller pair is disposed outside of a curved path, which folds the sheets by nipping, and the pushing plate is disposed inside of the curved path, which pushes the sheets to the folding roller pair; a first sheet ejection path which ejects the sheets for which the folding process has been performed by the sheet folding device; a second sheet ejection path which ejects the sheets for which the folding process has not been performed by the sheet folding device; a sheet conveyor which conveys the sheet stacked on the sheet stack portion to the first sheet ejection path or the second sheet ejection path; a switching flapper switchable to guide the sheet to the first sheet ejection path or the second sheet ejection path; and a staple unit which performs a binding process for the sheets by using a staple, wherein the first sheet ejection path has the curved path, the sheet folding device folds the sheets at a curved portion of the curved path, and the switching flapper is disposed on a downstream side of the staple unit in a sheet conveyance direction.