Automatic "two-up" document registration and feeding for copiers

Details Automatic "two-up" document registration and feeding for copiers Automatic "two-up" document registration and feeding for copiers

1987-03-23

1988-03-15

Prescott, A. C.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 14R, 355 24, 271 31, 271226, 271227, G03G 1500, B65H 702

Patent

active

047316373

ABSTRACT:
In a document handling system for a copier, for sequentially feeding and registering document sheets to the imaging station, including a registration gate retractably insertable into the document feeding path to engage and register an edge of the document fed thereagainst; the registration gate has first and second registration sides spaced apart by a preset defined distance, the first edges of the documents are registered against one side of the registration gate while it is inserted into the document feeding path, and the document feeding and registering system then lifts the gate and feeds the document past the gate, and then reverses the direction of motion of selected documents to back their opposite edges into registration with the opposite (second) side of the gate in coordination with reinserting the gate into the document path and in coordination with also registering a first edge of the next-fed document against the first side of the gate, and then the gate is re-retracted and those two (or more) documents are fed to the imaging station for "two-up" copying with a registered spacing between them determined by the thickness of the gate.

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"Document Feeder Without Register Gates", Charles J. Mahler, Xerox Disclosure Journal, vol. 2, No. 3, May/Jun. 1977, p. 49.
"Document Registration System", Thomas N. Taylor, Xerox Disclosure Journal, vol. 3, No. 2, Mar./Apr. 1978, pp. 123-125.
1985 printed operator's manual for the Xerox Corporation "1090" copier, pp. 25-27.

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