Patent ID: 8061705

Claim:
A document feeding mechanism comprising: a frame comprising a cover and a document guiding frame; a document picking up means comprising a supporting frame coupled to the cover of the frame for picking up and conveying a document, 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; a stopper means coupled to the document picking up means for blocking the conveyance of the document; a supporting portion formed at the document guiding frame and 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 formed at the cover and 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.