Photocopying – Projection printing and copying cameras – Copying both sides of original
Patent
1985-12-30
1987-04-28
Wintercorn, Richard A.
Photocopying
Projection printing and copying cameras
Copying both sides of original
355 3SH, 355 14SH, 355 72, 271 31, 271 10, G03B 2732, G03B 2752
Patent
active
046609636
ABSTRACT:
An integral removable duplex module for use in conjunction with a reproduction processor is disclosed including two paper trays, a first operable as a duplex copy buffer tray or a papaer tray and a second operable as an auxiliary paper tray, each tray having a copysheet feeder associated therewith comprised of a single cam operated mechanism having two cantilevered arms supporting constantly rotating feed rollers suspended above each paper tray and associated tray elevator mechanisms which enhances copysheet feeding when the feed rollers are pivoted toward the trays into copysheet feeding position and maintain copysheet trays in non-feeding positions during non-feeding operation. Copysheets are received in the duplex copy buffer tray from the reproduction processor via a reversible exit nip at the output of the processor, which directs sheets passed to an output back to a duplex module paper path, for repassing through the reproduction processor. Papers entering the module may be directed to either the duplex copy buffer tray or a trayless path which passes copysheets directly back to the processor. A method for operating the duplex module is described to efficient use of the trayless path by directing copysheets thereto depending on the number of copies to be made. Accordingly, copysheets may be directable to the duplex tray or trayless path at various times during any run. Further use of the trayless path is made to advantageously improve two-up copying feature paper handling. Duplex operations are disabled on separation of the module from the reproduction processor.
REFERENCES:
patent: 3227444 (1966-01-01), Egan
patent: 3288459 (1966-11-01), Hitchcock et al.
patent: 3402628 (1968-09-01), Redding et al.
patent: 3615129 (1971-10-01), Drawe et al.
patent: 3635555 (1972-01-01), Kurahashi et al.
patent: 3640524 (1972-02-01), Fredrickson
patent: 3672765 (1972-06-01), Altmann
patent: 3702697 (1972-11-01), Leutwein et al.
patent: 3856295 (1974-12-01), Looney
patent: 3862802 (1975-01-01), Till
patent: 3869202 (1975-03-01), Tabata et al.
patent: 3920238 (1975-11-01), Kitajima et al.
patent: 3987465 (1976-10-01), Sippel
patent: 3999852 (1976-12-01), Katayama et al.
patent: 4017173 (1977-04-01), Komori et al.
patent: 4017181 (1977-04-01), Komaba et al.
patent: 4035073 (1977-07-01), DelVecchio
patent: 4052054 (1977-10-01), Cardwell et al.
patent: 4053152 (1977-11-01), Matsamoto
patent: 4066252 (1978-01-01), Wick
patent: 4073585 (1978-02-01), Kobayashi et al.
patent: 4098551 (1978-07-01), Komori et al.
patent: 4140387 (1979-02-01), Gustafson
patent: 4158500 (1979-06-01), DiFrancesco et al.
patent: 4164649 (1979-08-01), Anderegg et al.
patent: 4218128 (1980-08-01), Satomi et al.
patent: 4238126 (1980-12-01), Langdon
patent: 4245831 (1981-01-01), Michatek
patent: 4264183 (1981-04-01), Stoudt
patent: 4279504 (1981-07-01), Brown et al.
patent: 4327905 (1982-05-01), Schonfeld
patent: 4355880 (1982-10-01), Stemmle
patent: 4365794 (1982-12-01), Roller
patent: 4365886 (1982-12-01), Murakami et al.
patent: 4385825 (1983-05-01), Kaneko
patent: 4419007 (1983-12-01), Kingsley
patent: 4433836 (1984-02-01), Kulpa et al.
patent: 4451138 (1984-05-01), Anderson
patent: 4453819 (1984-06-01), Wada et al.
patent: 4466733 (1984-08-01), Pels
patent: 4468114 (1984-08-01), Pels et al.
patent: 4477176 (1984-10-01), Russel
patent: 4486012 (1984-12-01), Bock et al.
patent: 4487506 (1984-12-01), Repp et al.
patent: 4536078 (1985-08-01), Ziehm
patent: 4537497 (1985-08-01), Masuda
patent: 4561772 (1985-12-01), Smith
patent: 4573789 (1986-03-01), Wada
patent: 4575227 (1986-03-01), Ito et al.
"Toshiba Automatic Duplexing Device MD-1 Service Data"; Sep. 1985.
IBM Technical Disclosure Bulletin, vol. 18, No. 7, Dec. 1975, pp. 2057-2058, Colglazier et al.
IBM Technical Disclosure Bulletin, vol. 19, No. 9, Feb. 1977, p. 3290, Allen et al.
Xerox Disclosure Bulletin, vol. 1, Nos. 9/10, Sep./Oct. 1976, pp. 41-42, Collins.
Xerox Disclosure Journal, vol. 10, No. 3, May/Jun. 1985, pp. 147-148, Brown.
News Release from Canon, "A New Multi-Functional PPC, Canon NP-3525, with Varied Features will be Launched", dated Nov. 18, 1985, Japan.
Costello Mark
Wintercorn Richard A.
Xerox Corporation
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