Patent ID: 8419003
Filing Date: 2013-04-16
Classification: B65H,G03G

Abstract:
1. A creasing device that forms a crease on a sheet, the creasing device comprising: a first member, extending in a direction perpendicular to a sheet conveying direction, on which a convex blade having a convex cross section is formed; a second member, provided at a position to face the first member, on which a groove-like concave blade is formed such that the convex blade can be fitted into the concave blade by interposing the sheet therebetween; a drive unit that causes the first member and the second member to be relatively in contact with and separated from each other so as to interpose, therebetween, the sheet that has been stopped at a predetermined position and to form a crease on the sheet; a sheet-information acquiring unit that acquires first sheet information of the sheet to be creased; a first adjusting unit that adjusts a pressing force exerted by the drive unit; and a control unit