Patent ID: 8503048

Claim:
An auto document feeding device comprising: a document placing section on which documents are placed; a first gate configured to divert the documents in a first direction or a second direction; a first conveying unit configured to lead the documents diverted in the first direction to an image scanning unit; a second conveying unit configured to lead the documents diverted in the second direction to the image scanning unit; a paper discharge tray configured to collect the documents passed through the image scanning unit; a paper discharging and conveying unit configured to lead the documents from the image scanning unit in a direction of the paper discharge tray; a reversing roller configured to switch back the documents passed through the paper discharging and conveying unit; a reversing and conveying unit configured to convey the documents from the reversing roller to the first gate; and a second gate configured to divert the documents passed through the paper discharging and conveying unit to the reversing and conveying unit.