JP2006062857A5 - - Google Patents

Claims (11)

In a sheet processing apparatus that performs a predetermined process by aligning a plurality of sheets,
Alignment support means that serves both as alignment and support for sheets on both sides orthogonal to the sheet conveyance direction,
The alignment support means, one is a reference alignment means for defining the alignment position, the other is a movement alignment means for pushing the side edge of the sheet,
A sheet processing apparatus having irregularities on a sheet support surface of the moving alignment means.   The sheet processing apparatus according to claim 1, wherein the unevenness has a rib shape in a direction orthogonal to a sheet conveying direction. The sheet processing apparatus according to claim 1, wherein the unevenness has a rib shape extending outward as the sheet moves downstream in the sheet conveyance direction. In a sheet processing apparatus that performs a predetermined process by aligning a plurality of sheets,
Alignment support means that serves both as alignment and support for sheets on both sides orthogonal to the sheet conveyance direction,
The alignment support means , one is a reference alignment means for defining the alignment position, the other is a movement alignment means for pushing the side edge of the sheet,
A sheet processing apparatus, wherein a sheet support surface of the movement aligning means is formed of an antistatic member.   5. A sheet processing apparatus according to claim 4, wherein the sheet support surface of the reference aligning means is constituted by a charging member.   The alignment support means includes a sheet support surface for supporting a sheet, a side wall for aligning the sheet, and an upper guide surface, and has a substantially U-shaped cross section. Item 6. The sheet processing apparatus according to any one of Items 5 to 6. The reference aligning means is movable to a reference position that defines an alignment position and a retreat position that does not support the lower surface of the sheet when the sheet bundle is discharged,
The moving aligning unit is configured to perform a standby position for waiting for a sheet separated from a sheet side end in a direction orthogonal to the sheet conveyance direction with respect to the conveyed sheet, an alignment position for pressing and aligning the sheet, and alignment in the sheet conveyance direction. A support position positioned between a standby position for supporting the sheet while approaching and separating from the other side edge of the aligned sheet abutted against one side edge of the reference aligning means when performing, and a sheet; 5. The sheet processing apparatus according to claim 1, wherein the sheet processing apparatus is movable to a retreat position that does not support the lower surface of the sheet when the bundle is discharged. To align the sheet is in the reference position is the reference aligning means, when the moving aligning means is in alignment position, the distance between the reference aligning means and the moving aligning means is characterized in that narrower than the sheet width The sheet processing apparatus according to claim 7.   5. The sheet processing apparatus according to claim 1, wherein processing means for performing predetermined processing on the aligned sheets is disposed on the reference alignment means side. The sheet processing apparatus according to claim 9, wherein the processing unit is a stapler that performs staple binding . An image forming apparatus comprising: an apparatus main body that forms an image on a sheet; and the sheet processing apparatus according to claim 1 that performs processing on the image-formed sheet.