Duplexing auto document feed for copying machine

Details Duplexing auto document feed for copying machine Duplexing auto document feed for copying machine

1979-03-23

1981-04-28

Stoner Jr., Bruce H.

Sheet feeding or delivering

Feeding and delivering

Separator and conveyor

271 9, 271186, 271303, 271DIG9, 355 3SH, 355 23, B65H 526, B65H 502

Patent

active

042640679

ABSTRACT:
A conveyor belt (14) conveys a document (19), (32) over a transparent glass platen (10) to a scanning position. An automatic document feed unit (22), (26) feeds documents (19) from a stack one by one between the lower run of the belt (14) and the platen (10) for conveyance over the platen (10). A manual feed unit (34) feeds documents (32) manually inserted thereinto one by one onto the upper run of the belt (14) from which the documents (32) are guided downwardly over an end of the belt (14) between the lower run of the belt (14) and the platen (10) for conveyance over the platen (10). The relative positions of the automatic and manual feed units (22), (26); (34) may be reversed. The documents (19), (32) are discharged by the belt (14) onto a tray (54) after scanning. An inverting unit which includes an endless belt ( 43) or an inclined plate (86) is utilized where it is desired to turn the documents (19), (32) over and feed them over the platen (10) upside down to the scanning position to scan the opposite sides thereof.

REFERENCES:
patent: 3227444 (1966-01-01), Egan
patent: 3597076 (1971-08-01), Hubbard et al.
patent: 3614088 (1971-10-01), Watson
patent: 3747918 (1973-07-01), Margulis et al.
patent: 3999852 (1976-12-01), Katayama et al.
patent: 4062533 (1977-12-01), Greenberg et al.
Bullock, M. K. "Duplex Document Feeder", IBM Tech. Disc. Bulletin vol. 19, No. 12, May 1977, p. 4496.

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