Ein Dokumentenzuführgerät für zweiseitiges Kopieren mit einer kürzeren Länge als das zu kopierende Dokument

The footprint of a document scanning unit such as a copier, facsimile machine or document scanner or combinations thereof is reduced by causing overlap of the leading and trailing edges of long document sheets to be scanned in the document delivery roller system (70) downstream of the scanning syste...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	RHOADS, WILLIAM WISTAR, GAARDER, GLENN, BOKELMAN, KEVIN
Format:	Patent
Sprache:	ger
Schlagworte:	CALCULATING COMPUTING CONVEYING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES IMAGE DATA PROCESSING OR GENERATION, IN GENERAL PACKING PERFORMING OPERATIONS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION STORING TRANSPORTING
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Beschreibung
Zusammenfassung:	The footprint of a document scanning unit such as a copier, facsimile machine or document scanner or combinations thereof is reduced by causing overlap of the leading and trailing edges of long document sheets to be scanned in the document delivery roller system (70) downstream of the scanning system. Three document delivery rollers (72,74,76) defining two spaced nips in which the leading and trailing edges of a long document are simultaneously present and a crenellated roller surface to guide the leading edge of the document to the desired nip in the delivery system (70) are used.