Abstract: The present invention is to enable folding processing to be applied to also large sheet sizes without upsizing the entire apparatus, in the sheet post-processing apparatus for performing the folding processing and binding processing on sheets, a sheet post-processing apparatus is provided with a binding processing section for performing binding processing using a binding needle on a sheet bunch inside a storage section, first folding roller pair for nipping a sheet P inside the storage section in a first position to form a first fold portion, a receiving section for receiving the sheet with the first fold portion formed fed out of the first folding roller pair, and second folding roller pair for nipping the sheet inside the receiving section in a second position to form a second fold portion.

Abstract: The present invention is to enable folding processing to be applied to also large sheet sizes without upsizing the entire apparatus, in the sheet post-processing apparatus for performing the folding processing and binding processing on sheets, a sheet post-processing apparatus is provided with a binding processing section for performing binding processing using a binding needle on a sheet bunch inside a storage section, first folding roller pair for nipping a sheet P inside the storage section in a first position to form a first fold portion, a receiving section for receiving the sheet with the first fold portion formed fed out of the first folding roller pair, and second folding roller pair for nipping the sheet inside the receiving section in a second position to form a second fold portion.

Abstract: A sheet discharge apparatus includes a first tray for stacking sheets, and a sheet bundle forming unit that forms a sheet bundle on the first tray. The sheet bundle forming unit forms a first sheet bundle on the first tray, and forms a second sheet bundle on the first sheet bundle to be offset from the first sheet bundle. When forming each of the first sheet bundle and the second sheet bundle on the first tray, the sheet bundle forming unit divides sheets constituting each of the sheet bundles into a plurality of sets and discharges the sheets in a plurality of times for each sheet bundle. A number of sheets included in a first sheet set of the first sheet bundle is set smaller than a number of sheets included in a first sheet set of the second sheet bundle.

Abstract: A sheet discharge apparatus includes a first tray for stacking sheets, and a sheet bundle forming unit that forms a sheet bundle on the first tray. The sheet bundle forming unit forms a first sheet bundle on the first tray, and forms a second sheet bundle on the first sheet bundle to be offset from the first sheet bundle. When forming each of the first sheet bundle and the second sheet bundle on the first tray, the sheet bundle forming unit divides sheets constituting each of the sheet bundles into a plurality of sets and discharges the sheets in a plurality of times for each sheet bundle. A number of sheets included in a first sheet set of the first sheet bundle is set smaller than a number of sheets included in a first sheet set of the second sheet bundle.

Abstract: The present invention is to provide a sheet discharge device capable of preventing the lowermost sheet on a tray from being displaced. A present sheet post-processing device includes a first tray for stacking a sheet, a processing tray that temporarily stacks conveyed sheets until a number of the sheets reaches a predetermined number, and a discharge mechanism that discharges the sheets stacked on the processing tray onto the first tray. A sheet bundle forming unit divides, when forming a first sheet bundle on the first tray, sheets constituting the first sheet bundle into a plurality of sets and discharges the sheets a plurality of times for each set. At this time, a number of sheets included in a sheet set to be discharged at the first time is smaller than a maximum number of sheets included in sheet sets to be discharged at the second and subsequent times.

Abstract: A sheet processing apparatus includes a conveying portion conveying sheets; a stack portion staking the sheets; a first regulating portion regulating a position of a sheet bundle on the stack portion in a crossing direction; a second regulating portion regulating a position of a sheet bundle in the conveying direction; a first binding device moving in the crossing direction so that the first binding device moves between first and second sides of the sheet processing apparatus and to bind an upstream end portion of a sheet bundle by a staple at a plurality of positions in the crossing direction; a second binding device binding an upstream end portion of a sheet bundle, where the second regulating portion has contacted without a staple; and a controller causing, in a case that the first binding device binds a sheet bundle, the second binding device to be positioned outside the sheet bundle.

Abstract: Provided is a sheet stacking apparatus, including: a placement portion on which a sheet is placed; a conveyance portion conveying a sheet placed on the placement portion; a regulation portion regulating a position of a sheet conveyed by the conveyance portion through contact with the sheet; and a pressing portion pressing a sheet regulated in position by the regulation portion, the pressing portion pressing a sheet regulated in position by the regulation portion at a first pressing position and a second pressing position, the second pressing position being spaced apart from the placement portion in a thickness direction of sheets placed on the placement portion by a distance which is longer than a distance between the placement portion and the first pressing position, in which an area of pressing a sheet at the first pressing position is larger than an area of pressing a sheet at the second pressing position.

Abstract: A sheet processing apparatus includes a conveying portion conveying sheets; a stack portion staking the sheets; a first regulating portion regulating a position of a sheet bundle on the stack portion in a crossing direction; a second regulating portion regulating a position of a sheet bundle in the conveying direction; a first binding device moving in the crossing direction so that the first binding device moves between first and second sides of the sheet processing apparatus and to bind an upstream end portion of a sheet bundle by a staple at a plurality of positions in the crossing direction; a second binding device binding an upstream end portion of a sheet bundle, where the second regulating portion has contacted without a staple; and a controller causing, in a case that the first binding device binds a sheet bundle, the second binding device to be positioned outside the sheet bundle.

Abstract: A sheet processing apparatus includes a stack portion on which sheets conveyed in a conveying direction are stacked, a first regulating portion regulating a position of a sheet bundle stacked on the stack portion in a crossing direction crossing the conveying direction by contacting an end of the sheet bundle in the crossing direction, a second regulating portion regulating a position of the sheet bundle in the conveying direction by contacting an end of the sheet bundle in the conveying direction, a first binding device which moves in the crossing direction and binds by a staple, a second binding device which moves and binds without a staple, and a controller which controls the first and second binding devices. The first and second binding devices bind the corner portion of the sheet bundle.

Abstract: A sheet processing apparatus includes a stack portion on which sheets conveyed in a conveying direction are stacked, a first regulating portion regulating a position of a sheet bundle stacked on the stack portion in a crossing direction crossing the conveying direction by contacting an end of the sheet bundle in the crossing direction, a second regulating portion regulating a position of the sheet bundle in the conveying direction by contacting an end of the sheet bundle in the conveying direction, a first binding device which moves in the crossing direction and binds by a staple, a second binding device which moves and binds without a staple, and a controller which controls the first and second binding devices. The first and second binding devices bind the corner portion of the sheet bundle.

Abstract: Provided is a sheet stacking apparatus, including: a placement on which a sheet is placed; a conveyance portion conveying a sheet placed on the placement portion; a regulation portion regulating a position of a sheet conveyed by the conveyance portion through contact with the sheet; and a pressing portion pressing a sheet regulated in position by the regulation portion, the pressing portion pressing a sheet regulated in position by the regulation portion at a first pressing position and a second pressing position, the second pressing position being spaced apart from the placement portion in a thickness direction of sheets placed on the placement portion by a distance which is larger than a distance between the placement portion and the first pressing position, in which an area of pressing a sheet at the first pressing position is larger than an area of pressing a sheet at the second pressing position.

Abstract: A sheet binding processing apparatus including a processing tray, a sheet positioning device, a first binding device, a second binding device, a driving device which moves the second binding device to a binding position where the sheets positioned by the sheet positioning device are to be bound and to a retracting position for retracting to the outside of the sheets positioned by the sheet positioning device, and a controller which controls the driving device and causes the second binding device to be located at the retracting position when the first binding device binds sheets.

Abstract: A present sheet post-processing device includes a first tray for stacking a sheet, a processing tray that temporarily stacks conveyed sheets until the number of the sheets reaches a predetermined number, and a discharge mechanism that discharges the sheets stacked on the processing tray onto the first tray. A sheet bundle forming unit divides, when forming a first sheet bundle on the first tray, sheets constituting the first sheet bundle into a plurality of sets and discharges the sheets a plurality of times for each set. At this time, a number of sheets included in a sheet set that constitutes a first sheet bundle and that is discharged at the first time is set smaller than a number of sheets included in a sheet set that constitutes a second sheet bundle and that is discharged at the first time.

Abstract: The present invention is to provide a sheet discharge device capable of preventing the lowermost sheet on a tray from being displaced. A present sheet post-processing device includes a first tray for stacking a sheet, a processing tray that temporarily stacks conveyed sheets until a number of the sheets reaches a predetermined number, and a discharge mechanism that discharges the sheets stacked on the processing tray onto the first tray. A sheet bundle forming unit divides, when forming a first sheet bundle on the first tray, sheets constituting the first sheet bundle into a plurality of sets and discharges the sheets a plurality of times for each set. At this time, a number of sheets included in a sheet set to be discharged at the first time is smaller than a maximum number of sheets included in sheet sets to be discharged at the second and subsequent times.

Abstract: A sheet binding processing apparatus including a processing tray, a sheet positioning device, a first binding device, a second binding device, a driving device which moves the second binding device to a binding position where the sheets positioned by the sheet positioning device are to be bound and to a retracting position for retracting to the outside of the sheets positioned by the sheet positioning device, and a controller which controls the driving device and causes the second binding device to be located at the retracting position when the first binding device binds sheets.

Abstract: A sheet post-processing apparatus includes a first unit having a guide device for guiding a sheet, a second unit having a first post-processing device for performing post-processing on the sheet, and a third unit having a second post-processing device for loading sheets and performing post-processing on the sheets in bunch form placed on the processing tray. A first coupling device is provided for coupling the first unit and at least one of the second and third units. A second coupling device is provided for coupling the second unit and the third unit. The second unit and the third unit are capable of being pulled out in the sheet carrying-out direction with respect to the first unit by releasing the first coupling device. The entire or front side of the second unit is shiftable to the first unit side with respect to the third unit by releasing the second coupling device.

Abstract: A sheet post-processing apparatus includes a first unit having a guide device for guiding a sheet, a second unit having a first post-processing device for performing post-processing on the sheet, and a third unit having a second post-processing device for loading sheets and performing post-processing on the sheets in bunch form placed on the processing tray. A first coupling device is provided for coupling the first unit and at least one of the second and third units. A second coupling device is provided for coupling the second unit and the third unit. The second unit and the third unit are capable of being pulled out in the sheet carrying-out direction with respect to the first unit by releasing the first coupling device. The entire or front side of the second unit is shiftable to the first unit side with respect to the third unit by releasing the second coupling device.

Abstract: To provide a post-processing apparatus for enabling a bunch of sheets and a single sheet to be folded in simplified structure, and further enabling the folded sheet and sheets that are not folded to be mixed and bound, the post-processing apparatus has a processing tray to collate and collect sheets to perform binding processing, and a folding processing path having a folding processing section, and a folded sheet carrying-out path for carrying out a folded sheet is provided on the downstream side of the folding processing path. Then, the folded sheet carrying-out path is comprised of a circulating path for guiding the folded sheet again to the folding processing section, a post-processing path for guiding the folded sheet to the processing tray to perform post-processing, and a sheet discharge path for guiding the folded sheet to a storage stacker.

Abstract: To provide a post-processing apparatus for enabling a bunch of sheets and a single sheet to be folded in simplified structure, and further enabling the folded sheet and sheets that are not folded to be mixed and bound, the post-processing apparatus has a processing tray to collate and collect sheets to perform binding processing, and a folding processing path having a folding processing section, and a folded sheet carrying-out path for carrying out a folded sheet is provided on the downstream side of the folding processing path. Then, the folded sheet carrying-out path is comprised of a circulating path for guiding the folded sheet again to the folding processing section, a post-processing path for guiding the folded sheet to the processing tray to perform post-processing, and a sheet discharge path for guiding the folded sheet to a storage stacker.

Abstract: A sheet transport apparatus includes the first transport rollers, the second transport rollers arranged at downstream of the first transport rollers to receive a sheet transported from the first transport rollers, a spacing device for setting the first transport rollers to a sheet nipping state or a sheet released state, a sheet detection device for detecting a sheet length in a transport direction, and a comparing device for comparing the sheet length detected by the sheet detection device with a predetermined length. It is controlled such that the spacing device is activated to switch the first transport rollers from a sheet nipping state to a sheet released state after the sheet is transported by a predetermined distance when the sheet length is longer than the predetermined length, and to maintain the first transport rollers in the sheet nipping state when the sheet length is shorter than the predetermined length.