Patent ID: 6581929
Filing Date: 2003-06-24
Classification: B65H

Abstract:
A posture correction device comprising:a detector configured to detect a posture of conveyed a sheet which has a first surface and a second surface in the opposite side of the first surface; and a posture correction mechanism configured to correct the posture of the sheet according to the posture of the sheet detected by the detector, wherein the posture correction mechanism includes: a plurality of roller pairs including a first roller pair contacting with the first surface of the sheet and a second roller pair contacting with the second surface of the sheet to clamp the sheet between the first and second roller pairs and convey the sheet by rotation of the first and second roller pairs; a support frame configured to support the first and second roller pairs; a first driving mechanism, provided away from the support frame, configured to rotate and drive the first roller pair; and a second driving mechanism configured to tilt the first and second roller pairs simultaneously by a prescribed angle in the conveying direction of the sheet by rotating the support frame.