Patent ID: 7506864
Filing Date: 2009-03-24
Classification: B26D,B42C,B65H,G03G,Y10T

Abstract:
1. A cutting device that cuts an edge portion of a sheet bundle in which a plurality of sheets are stacked, the cutting device comprising: (a) a cutting blade which cuts the edge portion of the sheet bundle; (b) a paddle provided on a side of the cutting blade, which removes chips attached to the cutting blade by rubbing a side surface of the cutting blade; and (c) a controller which controls drive of the paddle, wherein the controller comprises a judging section which compares a length of the chips in a direction perpendicular to an edge side of the sheet bundle to be cut by the cutting blade with a predetermined length that has been preset, and wherein when the judging section judges that the length of the chips is shorter than the predetermined length, the controller controls the paddle to rotate in a predetermined direction, and when the judging section judges that the length of the chips is longer than the predetermined length, the controller controls the paddle to rotate in a direction opposite to the predetermined direction.