Photocopying – Contact printing – Light boxes
Patent
1993-12-16
1995-02-21
Grimley, A. T.
Photocopying
Contact printing
Light boxes
355235, G03G 2100
Patent
active
053921097
ABSTRACT:
A document handler for a scanner having a scanning assembly for scanning documents including a first imaging station with a slit-like scanning aperture therein through which the scanning assembly scans the document. A transport system is provided for moving the document at a predetermined scanning speed through the second imaging station and across the scanning aperture in a direction substantially perpendicular to the direction of scan by the scanning assembly. The transport system includes a document feed roll, the periphery of the feed roll cooperating with the first imaging station to form a scanning window through which a first side of the document to be scanned passes. An inverter system is provided spaced a predetermined distance from the document feed roll for interchanging a trail edge of the document with the lead edge thereof, the inverter system includes a plurality of nips, one of said nips being an inlet nip for directing the document into a first path, and at least one other of said nips being a rescan nip for directing the document in a second path toward the feed roll for scanning a second side of the document in a duplex mode.
REFERENCES:
patent: 3575503 (1971-04-01), Van Auken
patent: 3844653 (1974-10-01), Kelly
patent: 4247192 (1981-01-01), Komori et al.
patent: 4248528 (1981-02-01), Sahay
patent: 5257064 (1993-10-01), Okamoto
patent: 5279453 (1994-01-01), Hashimoto
Bean II Lloyd F.
Grimley A. T.
Ramirez Nestor R.
Xerox Corporation
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