Copying machine having automatic document feeding device

Details Copying machine having automatic document feeding device Copying machine having automatic document feeding device

1994-03-04

1996-07-02

Grimley, Arthur T.

Photocopying

Contact printing

Light boxes

271 315, 355309, 355316, G03G 2100

Patent

active

055328091

ABSTRACT:
A copying machine equipped with an automatic document feeding device has a document stacker on which a plurality of documents can be stacked, a feeding section in which a sheet of document is separated from plural documents stacked on the document stacker and is fed to an image reading section, a conveyance section in which the document fed to the image reading section is conveyed and is stopped at a predetermined image reading position and then the document, after being read, is conveyed, and a sheet-ejecting section which is located at the downstream side in the conveyance direction from the image feeding section and ejects the document fed out of the conveyance section to a delivery tray. A document trailing edge detector is provided on the document stacker, a pass of the trailing edge of the last document on the document stacker is detected, and detection signals therefrom are sent to a main body of the copying machine to control a sheet feeding of the sheet feeding section of the copying machine.

REFERENCES:
patent: 4420149 (1983-12-01), Schultes et al.
patent: 4561765 (1985-12-01), Masuda
patent: 4629311 (1986-12-01), Kaneko et al.
patent: 5052671 (1991-10-01), Matsuo
patent: 5120039 (1992-06-01), Yamada
patent: 5317372 (1994-05-01), Nakabayashi et al.
patent: 5333043 (1994-07-01), Yamada
patent: 5343281 (1994-08-01), Yamada

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