JP2005306508A5 - - Google Patents

Claims (7)

A first sheet stacking unit configured to stack sheets to be processed; and a sheet bundle that is provided downstream of the first sheet stacking unit in the sheet conveying direction and processed on the first sheet stacking unit and then discharged. A sheet processing apparatus including a second sheet stacking unit for stacking;
A sheet bundle holding means for holding a sheet bundle on the processed first sheet stacking means after the processing of the sheet bundle is completed;
The sheet bundle holding unit is provided at a holding position for holding the sheet bundle and the second sheet stacking unit side of the first sheet stacking unit, and discharges the sheet bundle to the second sheet stacking unit. Moving means for reciprocating between the discharge positions while holding the sheet bundle ;
With
The discharge position is a position moved by a predetermined distance in the opposite direction after the sheet bundle holding means is moved from the holding position toward the second sheet stacking means and stopped by the moving means. Sheet processing apparatus.   2. The sheet processing according to claim 1, wherein a holding release unit is provided at the discharge position to release the holding of the sheet bundle of the sheet bundle holding unit as the sheet bundle holding unit moves in the reverse direction. apparatus.   The discharge position is a position where the sheet bundle is stacked on the second sheet stacking unit by its own weight when the holding release unit releases the holding of the sheet bundle by the sheet bundle holding unit. The sheet processing apparatus according to claim 2.   The sheet bundle holding means is movable between a first position for holding the sheet bundle and a second position for releasing the holding of the sheet bundle, and the holding release unit is arranged in the reverse direction of the sheet bundle holding means. 4. The sheet processing apparatus according to claim 2, wherein the sheet bundle holding unit is moved from the first position to the second position in accordance with the movement.   The holding release unit is a recess formed at an end of the first sheet stacking unit on the second sheet stacking unit side, and the sheet bundle holding unit is moved in the reverse direction of the sheet bundle holding unit. A lever portion that moves in the recess, and the lever portion moves from the first position to the second position by contacting the side wall of the recess after moving the lever portion by the predetermined distance. 5. The sheet processing apparatus according to claim 4, wherein   An image forming unit that forms an image on a sheet, and the sheet processing apparatus according to claim 1 that processes a sheet on which an image is formed by the image forming unit. Image forming apparatus. The sheets conveyed from the image forming unit to the first sheet stacking unit are aligned to form a sheet bundle, the binding process is performed on the aligned sheet bundle by the binding unit, and the second sheet stacking unit receives the binding process. In an image forming apparatus that discharges a sheet bundle,
A sheet bundle holding means for holding a sheet bundle on the processed first sheet stacking means after the processing of the sheet bundle is completed;
The sheet bundle holding unit is provided at a holding position for holding the sheet bundle and the second sheet stacking unit side of the first sheet stacking unit, and discharges the sheet bundle to the second sheet stacking unit. Moving means for reciprocating between the discharge positions while holding the sheet bundle ;
With
The discharge position is a position moved by a predetermined distance in the opposite direction after the sheet bundle holding means is moved from the holding position toward the second sheet stacking means and stopped by the moving means. Image forming apparatus.