Sheet conveyor mechanism for reproducing apparatus

Details Sheet conveyor mechanism for reproducing apparatus Sheet conveyor mechanism for reproducing apparatus

1977-05-05

1978-05-02

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Image transferred to or from curved surface

355 76, 355117, G03B 2758

Patent

active

040871770

ABSTRACT:
Disclosed is a sheet conveying mechanism for an original to be reproduced in a reproducing apparatus, comprising means, including a rotatable drum having an air-permeable circumferential shell surface, for supporting the original; non-rotatable means disposed within the drum for dividing the space within the drum and the circumferential shell surface of the drum into three separate regions; means associated with the drum for selectively producing positive and negative pressure within each of the separate drum regions; means for exposing and scanning the original, positioned adjacent a first one of said separate drum regions; means, associated with the drum and being responsive to movement of the original around the drum, for controlling the pressure-producing means; and first and second means, cooperating with the drum and located adjacent the circumferential shell surface of the drum in the area of a second one of the separate drum regions, for transporting the original around the drum.

REFERENCES:
patent: 3451754 (1969-06-01), Prew
patent: 3547535 (1970-12-01), McLean et al.
patent: 3642368 (1972-02-01), Moss
patent: 3687548 (1972-08-01), Yugoro
patent: 3709596 (1973-01-01), Ulmer

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