Sheet folding apparatus, image forming apparatus, and image forming system

Sheet folding apparatus, image forming apparatus, and image forming system

A sheet folding apparatus includes: a folded part forming unit that forms a folded part on the sheet by nipping a curved portion formed on a part of the sheet between an upstream first sheet conveying unit and a downstream second sheet conveying unit by holding a part of the sheet by the first sheet...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FURUHASHI TOMOHIRO, WATANABE TAKAHIRO, KUNIEDA AKIRA, NAKADA KYOSUKE, SUZUKI MICHITAKA, NAGASAKO SHUUYA, GOTO KIICHIRO, YAMAMOTO KAZUYA, SUZUKI YUJI
Format: Patent
Sprache:eng
Schlagworte:
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES
MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNERANALOGOUS TO PAPER
MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD ORMATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
PACKING
PERFORMING OPERATIONS
STORING
TRANSPORTING
WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER
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Beschreibung
Zusammenfassung:A sheet folding apparatus includes: a folded part forming unit that forms a folded part on the sheet by nipping a curved portion formed on a part of the sheet between an upstream first sheet conveying unit and a downstream second sheet conveying unit by holding a part of the sheet by the first sheet conveying unit and applying conveying force to the sheet to reverse the sheet upstream by the second sheet conveying unit; and a sheet leading end detection unit disposed downstream of or at almost same position as the second sheet conveying unit. The sheet is conveyed based on a detection timing of the sheet leading end detection unit such that the leading end of the sheet protrudes by a predetermined protrusion amount from the second sheet conveying unit immediately before applying conveying force to the sheet to reverse the sheet.