SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS

摘要

A sheet processing apparatus includes a first stacking portion on which a sheet conveyed by a conveying portion is stacked, a binding portion which forms, in a sheet bundle stacked on the first stacking portion, a tongue cut out from the sheet, with a part of the tongue attached to the sheet, and a slit, and which binds the sheet bundle by inserting a tip of the tongue of the sheet bundle in the slit of the sheet bundle, and a second stacking portion on which the sheet bundle bound by the binding portion is stacked. In the sheet processing apparatus, a plurality of recessed parts is formed on a guide face of the binding portion, the recessed parts extending in different directions from each other.

主权项

1. A sheet processing apparatus comprising:
a first stacking portion on which a sheet conveyed by a conveying portion is stacked; a binding portion which forms, in a sheet bundle stacked on the first stacking portion, a tongue cut out from the sheet, with a part of the tongue attached to the sheet, and a slit, and which binds the sheet bundle by inserting a tip of the tongue of the sheet bundle in the slit of the sheet bundle; a second stacking portion on which the sheet bundle bound by the binding portion is stacked, wherein the following are able to be performed:
automatic binding in which the sheet bundle stacked on the first stacking portion is bound by the binding portion, the sheet bundle including the sheet conveyed by a conveying portion; andmanual binding in which a sheet bundle inserted manually in the binding portion, from a direction different from a sheet conveyance direction of the conveying portion, is bound by the binding portion, and a recessed part is formed on a guide face of the binding portion, the recessed part extending in a plurality of different directions from a binding point of the sheet bundle.