Patent ID: 6019365
Filing Date: 2000-02-01
Classification: B65H

Abstract:
A sheet alignment device comprising:first and second sheet conveyor means for conveying a sheet, said first and second sheet conveyor means being disposed in different positions in a direction of sheet conveyance and imparting conveying force to the sheet;sheet rotation means for rotating the sheet;sheet side edge detection means for detecting a side edge of the sheet while the sheet is conveyed by said first and second sheet conveyor means; andcontrol means for controlling a direction in which said sheet rotation means rotates, on the basis of the result of detection by said sheet edge detection means, wherein said sheet rotation means and said first and second sheet conveyor means include shift means for axially shifting one of said first and second sheet conveyor means in a direction intersecting the direction in which the sheet is conveyed; andcontrol means for controlling a direction in which said shift means moves said first and second sheet conveyor means, on the basis of the result of detection by said sheet side edge detection means.