Patent ID: 8052139

Claim:
A document feeding mechanism comprising: a frame; a document picking up means positioned in the frame for picking up and conveying a document; a stopper means positioned in the frame for blocking the conveyance of the document; a supporting portion cooperating with the stopper means for supporting the document picking up means while the document picking up means is raised at a predetermined level; and a blocking portion restricting a rotatable angle of the stopper means for blocking the conveyance of the document while the document picking up means is raised at the predetermined level, wherein the frame comprises a cover and a document guiding frame, the document picking up means comprises a supporting frame coupled to the cover of the frame, the stopper means couples to the cover of the frame, the supporting portion and the blocking portion are respectively formed at the supporting frame of the document picking up means, wherein the blocking portion is formed at a front portion of the support frame, the supporting portion is formed behind the blocking portion, the blocking portion is separated from the supporting portion to keep a space, wherein the supporting frame of the document picking up means supports a document picking up unit at the front portion thereof and a document separating unit at a rear portion thereof, the document feeding means pivots on the document separating unit to raise the document picking up unit at the predetermined level.