Bi-directional copier output

Details Bi-directional copier output Bi-directional copier output

1975-09-22

1976-12-14

Hix, L. T.

Photocopying

Projection printing and copying cameras

Copying both sides of original

355 51, 271 64, G03B 2752, G03B 2770, B65H 2958

Patent

active

039972631

ABSTRACT:
In a copier in which a document handling system alternatingly recirculates documents in forward serial order and then in reverse serial order relative to the optical imaging system to provide bi-directional pre-collated copying in which the copies form copy sheet sets which are alternately in forward and reverse serial order. Two copy sheet bins collect alternate copy sheet sets via a copy sheet output control which alternatingly switches the path of the copy sheets between these two bins in response to the switching between the forward and reverse serial order of copying of the documents. The first bin provides face-up stacking of the copy sheets to re-establish forward serial order collation and the second bin provides face-down stacking to maintain forward serial collation, cooperatively with the copy sheet output control.

REFERENCES:
patent: 3700231 (1972-10-01), Aasen et al.
patent: 3848868 (1974-11-01), Stemmle
patent: 3948505 (1976-04-01), Miller et al.
Avritt, IBM Technical Disclosure Bulletin, vol. 18, No. 7, Dec. 1975, Two-module Collator.

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