Duplex document copying machines

Details Duplex document copying machines Duplex document copying machines

1984-06-21

1985-12-10

Schacher, Richard A.

Sheet feeding or delivering

Delivering

Multiple discharge

271186, 271308, 271311, 271900, B65H 2954

Patent

active

045574740

ABSTRACT:
An automatic document handler for a duplex copier is disclosed in which an inverting drum is employed for inverting documents which are to be copied on both sides (duplex copying). The inverting drum is provided with pressure or transport belts which carry a document over a portion of the surface of said drum, and a diverter gate arrangement is provided at the exit side of the belts, adjacent the drum, for selectively providing for passage of the document to a collection station, or alternatively, for causing the documents to re-enter toward the drum for delivery to a duplex scanning station. The diverter gate arrangement includes a relatively fixed stripper which is positioned adjacent the surface of the drum, which stripper cooperates with a movable gate. In one position of the gate, a nose portion of the gate is nested with the stripper and permits documents to pass thereover to a collection station. In a second position, the gate intercepts documents from the stripper and from the pressure belts and causes the same to be redirected toward the drum for duplex copying.

REFERENCES:
patent: 3545746 (1970-12-01), Ledger et al.
patent: 3591281 (1971-07-01), Kruhlinski
patent: 3839958 (1974-10-01), Kent et al.
patent: 4065119 (1977-12-01), Schroter
patent: 4285507 (1981-08-01), Marinoff
patent: 4441806 (1984-04-01), Davis

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