Photocopying – Contact printing – Machine
Patent
1978-05-08
1980-06-24
Griffin, Donald A.
Photocopying
Contact printing
Machine
G03B 2710
Patent
active
042092515
ABSTRACT:
An automatic microfiche duplicator having an upper receiving slot for receiving a copy sheet and master sheet, and a first conveyor which transports the copy sheet and master sheet together in a generally horizontal direction past an exposure cylinder where the copy is exposed and then to a separator which automatically separates the master sheet down and away from the copy sheet. Three embodiments of the separator are illustrated (FIGS. 9-11, 12-14, and 15a-c). The master sheet is then delivered to a reverse, lower conveyor which conveys the master sheet in a reverse horizontal path to an exit tray located below and near the receiving slot. A second upper conveyor transports the exposed copy sheet in the same general horizontal direction as before to a belt driven cylindrical heat developer and then down to a cooling tray where the copy is held for a few seconds. An automatic mechanism tilts the tray which is slotted and delivers the cooled copy to the lower conveyor (made of a set of ring belts) which then delivers the copy back the same reverse path followed by the master to the exit tray.
REFERENCES:
patent: 2441912 (1948-05-01), Streich
patent: 2933997 (1960-04-01), Trump
patent: 3416863 (1968-12-01), Ralston
patent: 3958880 (1976-05-01), Washio et al.
Hasselvander Henry F.
Schroeder Henry G.
Griffin Donald A.
Innovative Technology Inc.
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