Apparatus for processing sheets and apparatus for forming images provided with the apparatus

A sheet processing apparatus is provided with a carry-in path for guiding a sheet from a carry-in entrance, a shift roller provided in the carry-in path to transport the sheet, while shifting, a carry-in roller positioned on the downstream side of the shift roller to carry the sheet from the carry-i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Kato, Shoubu, Nakano, Takahiro
Format:	Patent
Sprache:	eng
Schlagworte:	CINEMATOGRAPHY CONVEYING CUTTING CUTTING-OUT ELECTROGRAPHY ELECTROPHOTOGRAPHY HAND CUTTING TOOLS HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES HOLOGRAPHY MAGNETOGRAPHY PACKING PERFORATING PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS PUNCHING SEVERING SEVERING BY MEANS OTHER THAN CUTTING STAMPING-OUT STORING TRANSPORTING
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Beschreibung
Zusammenfassung:	A sheet processing apparatus is provided with a carry-in path for guiding a sheet from a carry-in entrance, a shift roller provided in the carry-in path to transport the sheet, while shifting, a carry-in roller positioned on the downstream side of the shift roller to carry the sheet from the carry-in path toward a collection tray, and a punch shift unit provided on the upstream side of the carry-in roller to process an end portion of the sheet in a processing position. The punch shift unit shifts in the same direction as the shift roller, a shift amount of the punch shift unit is set to be equal to a shift amount of the shift roller or more, and the end portion processing unit is thereby already positioned in an end portion processing position or a position near the processing position after shifting the sheet.