Automatic document feeding apparatus for simplex, duplex and 2-i

Details Automatic document feeding apparatus for simplex, duplex and 2-i Automatic document feeding apparatus for simplex, duplex and 2-i

1998-03-16

2000-10-17

Braun, Fred L

Electrophotography

Document handling

Original

399374, G03G 1500

Patent

active

061344176

ABSTRACT:
An automatic document feeding apparatus includes a document supplying mechanism having a supply passage incorporating at least one kick roller, pressure mechanism, document separating mechanism and registering mechanism so as to send documents one by one toward a document reading station defined on an image forming apparatus such as a copying machine, a document transferring mechanism for moving the document along the document reading station to read out or copy the document, and a document discharging mechanism having a discharge passage for sending out the processed document and a return passage for inverting and sending back the processed document to the document reading station. The document supplying mechanism, document transferring mechanism and document discharging mechanism can be arbitrarily driven by controlling a single drive source, two electromagnetic clutches and one-way clutches constituting a motion transmitting system. The document feeding can be readily carried out according to the required one selected from a simplex copying mode for dealing with a simplex document, a duplex copying mode for dealing with and inverting a duplex document, and a 2-in-1 mode for dealing with two documents placed side by side on the document reading station at one time.

REFERENCES:
patent: 5371580 (1994-12-01), Kato et al.
patent: 5532809 (1996-07-01), Hamanaka et al.
patent: 5822672 (1998-10-01), Johdai et al.

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