Very high speed duplicator with document handling

Details Very high speed duplicator with document handling Very high speed duplicator with document handling

1981-10-23

1983-10-25

Prescott, A. C.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3SH, 271225, 271226, 271DIG9, 271 31, G03G 1500

Patent

active

044115172

ABSTRACT:
A document handling apparatus for a duplicating machine or copier is disclosed and includes a turnaround roller arranged between an exposure platen for the copier and a document sheet supply tray for directing document sheets fed from the tray back into the tray in an inverted orientation when occasions arise for the inversion. One or more occasions may arise and be initiated automatically depending upon a selected mode of duplication or when an odd number of passes of a document set of sheets are necessary to complete a reproduction run. Other occasions may be operator selected for various reasons such as when pre-printed or pre-punched copy sheets are being processed.

REFERENCES:
patent: 4080060 (1978-03-01), Nothmann
patent: 4140387 (1979-02-01), Gustafson
patent: 4158500 (1979-06-01), DiFrancesco et al.
patent: 4176945 (1979-12-01), Holzhauser et al.
patent: 4206995 (1980-06-01), Legg
patent: 4234180 (1980-11-01), Looney
patent: 4238126 (1980-12-01), Langdon
patent: 4264187 (1981-04-01), Rhodes, Jr.
patent: 4269406 (1981-05-01), Hamlin
patent: 4272181 (1981-06-01), Treseder
patent: 4278344 (1981-07-01), Sahay
patent: 4330197 (1982-05-01), Smith et al.
patent: 4335954 (1982-06-01), Phelps
patent: 4365889 (1982-12-01), Silverberg

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