Patent ID: 8199383

Claim:
An auto document feeding device comprising: a register member to align a leading edge of a document from a document placing member; a supply member to supply the document from the document placing member to the register member; a plurality of conveyance members comprising a first conveyance member or a second conveyance member to cause a leading edge of a subsequent document to overlap with a trailing edge of a preceding document, and to convey the preceding document and the subsequent document to a first image reading member and comprising different paths whose lengths are longer than the whole length of the document in a traveling direction, and which guide the document sent from the document placing member to the first image reading member; a gate member to distribute sequentially the document which was sent from the document placing member and passing through the register member to one of the first conveyance member and the second conveyance member; and a paper discharge member to discharge the document passing through the first image reading member.