Short edge feed duplex with side shifting inverter

Details Short edge feed duplex with side shifting inverter Short edge feed duplex with side shifting inverter

1989-09-13

1991-08-27

Schacher, Richard A.

Sheet feeding or delivering

Delivering

With transfer means between conveyor and receiver

271291, B65H 506

Patent

active

050427911

ABSTRACT:
An automatic printing machine for producing successive duplex prints on a print substrate feeds successive print substrates to an image forming machine to form an image on a first side of successive print substrates and has a substrate transport path to transport successive substrates having images on a first side through the image forming machine to form images on the opposite side of the substrate. The substrate transport path includes an inverter to invert each successive substrate, twice about an axis perpendicular to the direction of the transport path, a side shifting inverter to invert successive substrates once about an axis parallel to the transport path direction with the corners of successive substrates entering and exiting the side shifting inverter being overlapped by substrates being transported in the path direction through the inverter. In a preferred embodiment the inverter portion of the duplex path is in a removable cassette which is interchangeable with a print substrate cassette.

REFERENCES:
patent: 4019435 (1977-04-01), Davis
patent: 4036488 (1977-07-01), Allen
patent: 4050805 (1977-09-01), Hage
patent: 4201377 (1980-05-01), Honegger
patent: 4660963 (1987-04-01), Stemmle
patent: 4699503 (1987-10-01), Hyltoft
patent: 4708462 (1987-11-01), Stemmle
patent: 4727397 (1988-02-01), Stemmle
patent: 4733857 (1988-03-01), Feldeisen
XDJ, E. R. Brooke, I. G. Brown, Duplex Photocopier, Jan., Feb. 1979, 1 page.
XDJ, Thomas Acquaviva, Document Reverter, Jan., Feb. 1982, 1 page.

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