JP2005306507A5 - - Google Patents

Claims (9)

In a sheet processing apparatus comprising sheet stacking means for stacking sheets to be processed, forming a sheet bundle by aligning the sheets conveyed to the sheet stacking means, and processing the aligned sheet bundle,
A side end regulating member that is provided on a width direction side orthogonal to a sheet conveying direction of the sheet stacking unit and regulates a position of a width direction end portion of the sheet;
Sheet moving means for moving the sheet in the width direction so that the sheet comes into contact with the side edge regulating member each time the sheet is conveyed to the sheet stacking means;
With
The sheet processing apparatus according to claim 1, wherein the sheet moving operation by the sheet moving unit is continued for a predetermined time after the sheet moves so as to contact the side end regulating member. The sheet moving means includes
Sheet conveying means for conveying the sheet conveyed to the sheet stacking means;
Moving means for moving the sheet conveying means in the width direction integrally with the sheet each time a sheet is conveyed to the sheet stacking means;
The sheet processing apparatus according to claim 1, further comprising:   The sheet processing apparatus according to claim 2, wherein the sheet conveying unit slips on the sheet after the sheet abuts on the side end regulating member. It said sheet conveying means, the sheet processing apparatus according to claim 2 or 3, wherein the outer peripheral portion is cylindrical member made of an elastic body. The sheet conveying unit conveys the sheet conveyed to the sheet stacking unit in the sheet conveying direction, and then conveys the sheet in a direction opposite to the sheet conveying direction, and is provided at an upstream end of the sheet stacking unit in the sheet conveying direction. 5. The sheet processing apparatus according to claim 2 , wherein the sheet processing apparatus is capable of forward and reverse rotation so as to be brought into contact with the regulating member .   When the sheet is conveyed to the sheet stacking unit, the sheet conveying unit is moved to a position that does not interfere with the conveyance of the sheet, and comes into contact with the sheet after the sheet is conveyed to the sheet stacking unit. 6. The sheet processing apparatus according to claim 2, further comprising position control means for moving the position to a position. Wherein the sheet by the sheet conveying means is in contact with the front KiTadashi system member is conveyed to the sheet conveying direction and opposite direction, said said sheet conveying means and integrally sheet is moved in the width direction by the moving means The sheet processing apparatus according to any one of claims 2 to 6, wherein the sheet is aligned by being brought into contact with a side end regulating member.   An image forming unit that forms an image on a sheet, and the sheet processing apparatus according to claim 1 that processes the sheet on which an image is formed by the image forming unit. Image forming apparatus. In an image forming apparatus that aligns sheets conveyed from an image forming unit to a sheet stacking unit to form a sheet bundle, and performs binding processing on the aligned sheet bundle by a binding unit.
A side end regulating member that is provided on a width direction side orthogonal to a sheet conveying direction of the sheet stacking unit and regulates a position of a width direction end portion of the sheet;
Sheet moving means for moving the sheet in the width direction so that the sheet comes into contact with the side edge regulating member each time the sheet is conveyed to the sheet stacking means;
With
An image forming apparatus, wherein the sheet moving operation by the sheet moving unit is continued for a predetermined time after the sheet moves so as to contact the side end regulating member.