JP2009113924A5 - - Google Patents

Claims (11)

An intermediate processing tray for sequentially stacking sheets, a discharging unit for discharging the sheets to the intermediate processing tray, and a sheet stacked on the intermediate processing tray by moving an alignment position and a retracted position in a width direction intersecting the discharging direction. A matching means for matching,
When aligning the discharge sheet by the aligning unit with the discharge position of the sheet from the discharge unit in the width direction as the alignment position, the subsequent discharge sheet is discharged from the discharge unit while the aligning unit aligns the preceding discharge sheet. A sheet discharging apparatus characterized by that. 2. The sheet discharge apparatus according to claim 1, further comprising a shift unit that is provided upstream of the discharge unit in the discharge direction and sets a discharge position of the discharged sheet in the width direction in the intermediate processing tray. .  3. The sheet discharge apparatus according to claim 1, wherein the discharge angle of the discharge unit is set to an angle at which the discharged sheet passes above the alignment operation region of the alignment unit.  4. The sheet discharge according to claim 1, wherein the alignment unit includes a guide unit that guides a subsequent discharge sheet to an alignment position during the alignment operation of the preceding discharge sheet by the alignment unit. apparatus.  The sheet discharging apparatus according to claim 4, wherein the guide means is an inclined portion inclined inward of the alignment operation region.  6. The sheet discharge apparatus according to claim 1, wherein when the aligning unit aligns the preceding discharge sheet, a leading end of the subsequent discharge sheet protrudes from the discharge unit.  The sheet according to any one of claims 1 to 6, wherein after the aligning unit moves from the aligning position to the retracted position, a trailing end of the subsequent discharge sheet is discharged from the discharge unit. Discharging device.  The sheet discharging apparatus according to any one of claims 1 to 7, wherein a distance from the discharging unit to an uppermost end portion of the aligning unit is shorter than a minimum sheet size that can be conveyed.  A sheet processing apparatus comprising: a sheet processing unit that processes a sheet; and the sheet discharge device according to claim 1. Image forming means for forming an image on a sheet;
The sheet processing apparatus according to claim 9, which processes a sheet on which an image is formed by the image forming unit;
An image forming apparatus comprising: Image forming means for forming an image on a sheet;
The sheet discharging apparatus according to any one of claims 1 to 8, wherein sheets on which images are formed by the image forming unit are stacked.
An image forming apparatus comprising: