Creasing device and image forming system

A creasing device (A) for creasing sheets on a per-sheet basis, the creasing device (A) includes: a first member (6) extending perpendicularly to a sheet conveying direction and including a male blade (6-1), which has a convex cross section; a second member (7) extending perpendicularly to the sheet...

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Bibliographische Detailangaben
Hauptverfasser:	NAGASAKO,SHUUYA, HATTORI, HITOSHI, SAITO,TAKASHI, KOJIMA,HIDETOSHI, ISHIKAWA,NAOYUKI, KIKKAWA, NAOHIRO, OIKAWA,NAOKI, SHIBASAKI, YUUSUKE, AIBA,GO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES APPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING, OR PRINTINGFOR OFFICE OR OTHER COMMERCIAL PURPOSES CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES LINING MACHINES PACKING PERFORMING OPERATIONS PRINTING STAMPS STORING TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A creasing device (A) for creasing sheets on a per-sheet basis, the creasing device (A) includes: a first member (6) extending perpendicularly to a sheet conveying direction and including a male blade (6-1), which has a convex cross section; a second member (7) extending perpendicularly to the sheet conveying direction and including a grooved female blade (7a), into which the male blade (6-1) to be fitted with a sheet between the female blade (7a) and the male blade (6-1); and a drive unit (40) that brings the first member (6) and the second member (7) relatively into and out of contact with each other to cause a sheet stopped at a predetermined position to be pinched between the first member (6) and the second member (7) and creased. An edge portion of any one of the first member (6) and the second member (7) has an arcuate shape.