Abstract: A post-processing apparatus includes a sheet carry-in path along which sheets from a carry-in port are fed through a sheet discharging port to a downstream post-processing position, and a collecting guide, for setting and collecting the sheets into a bunch. The collecting guide is located downstream of the sheet discharging port with a difference in level between the sheet discharging port and the collecting guide, is provided. A post-processing apparatus is provided for executing a stapling process and/or a folding process on the sheet bunch collected on the collecting guide. A sheet leading end regulating device is provided for regulating a position of leading ends of the sheets collected on the collecting guide device. The sheet leading end regulating device is movable according to a sheet size so that trailing ends of the sheet ends are placed at a predetermined position below the sheet discharging port.

Abstract: A sheet stacking apparatus includes a first and a second guide plate having a guide surface inclined to a perpendicular plane to take an open state having a gap of a first interval in a direction crossing the inclination direction and a closed state of a second interval narrower than the first interval, a sheet take-in portion standing by under the first and second guide plates to support sheets dropped from the guide surfaces with the leading edge thereof in a conveying direction directed downward in a standing position, and a controller configured to permit the first and second guide plates to enter the closed state and guide another sheets conveyed following the sheets supported internally by the sheet take-in portion by the guide surfaces and then to enter the open state and drop the another sheets from the gaps onto the preceding sheets.

Abstract: Provided is a printing assembly for printing and binding pages. The assembly includes pinch rollers for feeding a sheet of paper into the assembly, and a printhead arrangement arranged after the rollers for printing on the paper. The assembly also includes an adhesive applicator arranged after the printhead for applying adhesive to the printed paper, as well as a binding press arranged after the applicator for binding printed sheets of paper together.

Abstract: A sheet post-processing apparatus discharges and conveys a sheet from a process tray to a storage tray, and decelerates a bundle hook and a paper discharge roller when the bundle hook reaches a discharge start position of a bundle of sheets. At this time, a tangential speed of the paper discharge roller is faster than a movement speed of the bundle hook. Subsequently, the sheet post-processing apparatus stops the paper discharge roller in accordance with a rotation position of the bundle hook, and then decelerates the movement speed of the bundle hook. After the sheets are stacked on the storage tray, the bundle hook accelerates to return to a home position. Additionally, the sheet post-processing apparatus includes a spool 17 having a sheet pressing guide member 16 with a bent portion 16A.

Abstract: A sheet post-processing device receives a sheet from an image forming apparatus conveys a plurality of the sheets to a staple tray to form a sheet pile, and staples the sheet pile with a stapler. The stapler is arranged along a first side of the staple tray in a sheet width direction and has an opening for taking in a second side of the sheet pile when stapling the sheet pile at a staple position. The stapler unit is arranged at a position that a central portion of the second side of the sheet pile is situated inside the opening, and the staple position is located downstream of an alignment surface of an aligning member in a sheet conveying direction that aligns ends of the sheets in the sheet pile.

Abstract: A post-processing unit of an image forming apparatus includes a vertical conveying path and a horizontal conveying path. A stapling mechanism and a folding mechanism are arranged in the horizontal conveying path. When saddle processing is carried out, paper sheets sent into the horizontal conveying path are struck against a trailing end stopper and, after the number of sheets to be bound is accumulated, the center of the paper sheets is stapled and folded double. A movable tray projected to the outside of a housing is provided at a terminal end of the horizontal conveying path. The movable tray functions as a tray for discharging paper sheets that pass through a saddle stitcher and also functions as a supporting member that supports a leading end side of the paper sheets at the time of the saddle processing.

Abstract: A sheet aligning device includes a transport path, a movable fence, a tapping tab, and jogger fences. The transport path transports a sheet stack. The movable fence and the tapping tab align the sheet stack in a first direction in which the sheet stack is transported on the transport path. The jogger fences align the sheet stack in a direction perpendicular to the first direction on the transport path. The movable fence, the tapping tab, and the jogger fences align the sheet stack according to a plurality of aligning modes.

Abstract: The invention is to stabilize an amount of application of a glue to sheets, to stabilize adhesive force between the sheets, and to further improve the productivity of a glued sheet bundle. A sheet processing apparatus includes a processing tray 130 that stacks a sheet discharged by a pair of discharge rollers, an attitude changing unit 150 that displaces the aligned sheet bundle on the processing tray 130 to partially expose sheet surfaces, an adhesive agent delivery device 160 that applies a glue to the exposed parts of the sheet surfaces of the displaced sheet bundle on the processing tray 130, and a sheet bundle aligning portion such as aligning plates 140 and 141 that aligns the glued sheet bundle.

Abstract: The invention provides a sheet processing apparatus in which a controller transports a sheet, delivered to a process tray, by a predetermined distance by a transport member for contacting a stopper, and selects the distance according to a friction on the lower surface of the sheet by detecting at least either of stack information on the process tray and sheet information of the sheet transported by the transport member, thus selecting the distance larger for a larger frictional force.

Abstract: A sheet post-processing apparatus includes a sheet stacking unit, a moving member, and a discharging member. The moving member moves up the pile stacked on the sheet stacking unit to one of a plurality of scooping positions, and the discharging member receives the pile from the moving member at the one of the scooping positions and scoops up the pile by supporting a bottom edge of the pile for discharging the pile out of the sheet stacking unit.

Abstract: A sheet alignment mechanism includes a stacking tray on which a sheet or sheet bundle transported along a sheet transport path is stacked, a pair of side fences that are movable in a sheet width direction and align edges of the sheet or sheet bundle, stacked on the stacking tray, in the sheet width direction, a single drive source that moves the side fences, and detecting units that detect home positions of the respective side fences.

Abstract: A sheet finishing apparatus includes: a puncher which moves between a penetrate position and a standby position; a detection unit which detects a lateral edge of a sheet; a standby tray which supports the sheet passed through the puncher, by a pair of tray members; a lateral alignment unit which holds and aligns the sheet falling off the standby tray, by a pair of alignment boards; a moving mechanism which moves the position of the standby tray or the alignment boards in a direction orthogonal to the carrying direction of the sheet; and a control unit which measures a quantity of misalignment of the sheet by using a result of detection of the lateral edge from the detection unit and controls the moving mechanism in accordance with the quantity of misalignment.

Abstract: A sheet folding apparatus includes a sheet supporting member which has an inclined surface to support a stack of sheets, a sheet position adjuster which adjusts a position of the stack of sheets along the inclined surface, a sheet pressing unit which presses the stack of sheets from a lower side of the stack of sheets to an upper side of the stack of sheet, and a folding unit which folds the stack of sheets pressed by the sheet pressing unit.

Abstract: A printing system capable of increasing the working efficiency of an operator engaged in a post-process necessary after printing can be provided. For this purpose, the user interface unit can execute a display which allows the operator to explicitly input, for each job, instruction information in consideration of a post-process necessary after a printing process in a job requiring a printing process by a printing apparatus in a printing system capable of stacking, on a stacking unit, printed materials having undergone the printing process. When the job to be processed is a job for which the operator inputs the instruction information via the display, printed materials of the job for which the operator inputs the instruction information are stacked on the stacking unit while the printed materials are classified every printed materials on the basis of the instruction information input by the operator for the job.

Abstract: A sheet processing apparatus includes an aligning member configured to align an end of a bundle of sheets including a folded sheet by engaging with the edge of the bundle of sheets, and a sheet processing unit configured to process the bundle of sheets having the end aligned by the aligning member. The end of the bundle of sheets engaged with the aligning member is opposite to a folded portion of the folded sheet.

Abstract: At the time when an aligning unit collects and aligns a recording sheet, the front portion of a movable supporting member of a collecting tray is moved toward the recording sheet to close a space in the collecting tray. Moreover, the front portion of the movable supporting member abuts against the front end of the recording sheet. As a result, the front end of the recording sheet does not hang loose in the space.

Abstract: A pressing unit presses vicinity of a trailing edge of a stack of sheets stacked in a tray. An aligning unit aligns the stack of sheets stacked in the tray. A stapling unit binds the stack of sheets aligned by the aligning unit. A discharging unit discharges the stack of sheets bound by the stapling unit. A control unit controls the pressing unit to keep a constant distance from a surface of a top sheet of the stack of sheets when the discharging unit discharging the stack of sheets.

Abstract: A bookmaking apparatus includes a first path to convey a sheet bundle, a second path intersecting the first path to convey a cover sheet, a joining stage disposed at an intersection of the first path and the second path, a gripping conveyance device arranged for gripping and conveying the sheet bundle along the first path, an adhesive application device for applying adhesive to a bottom side edge of the sheet bundle, a backup member arranged to support the cover sheet at the joining stage, and a folding conveyance device for folding and conveying the cover sheet and sheet bundle. After the cover sheet and the sheet bundle are adhered together and before the backup member retracts from the first path to a position outside the first path, the gripping conveyance device is retracted to separate a bottom edge of the sheet bundle from the backup member.

Abstract: A sheet processing apparatus includes: a staple tray on which sheets are stacked temporarily and stapled after being aligned together and from which the stapled sheets are discharged to a discharge tray; a discharger to discharge the sheets to the staple tray; a rear end reference against which rear ends of the sheets are abutted to be aligned together; a returner to return the sheets discharged by the discharger and to align the sheets together in a conveying direction based on the rear end reference fence; a lifter to lift and lower the returner with respect to a sheet; and a guide configured to guide the sheets toward the rear end reference fence when the sheets are returned and to be lifted and lowered in synchronization with the lifting and lowering by the lifter.

Abstract: According to an embodiment, a sheet processing apparatus includes: a processing tray on which a sheet conveyed from an image forming apparatus is placed; a lateral alignment unit which has a pair of movable alignment boards, holds and the sheet on the processing tray between the pair of alignment boards, and aligns the sheet; a stapler which staples the sheet placed on the processing tray; a sheet discharge unit which discharges the stapled sheet from the processing tray to a discharge port; and a control unit which control so that the sheet is stapled after an operation of holding the sheet between the pair of alignment boards and then opening the alignment boards is performed plural times, when the sheet is inserted to the stapler from the discharge port and manually stapled.

Abstract: A paper-sheet handling device comprises a clamp movement mechanism for sandwiching a bundle of paper-sheets by attaching component guide members to a position covering a portion of punch holes from the front and rear surfaces of the bundle of paper-sheets. A binding component is bound to the bundle of paper-sheets while contacting both tip portions of the binding component to the binding component guide members and sandwiching the bundle of paper-sheets by the clamp movement mechanism. Such a configuration enables both tip portions of the binding component to insert into each perforated hole while keeping a distance between both tip portions of the binding component and each of the perforated holes substantially constant and at the same time, even in the case of binding components of different diameters, the distance between the binding component and an internal circumference of each of the holes perforated in the bundle of paper-sheets is kept substantially constant.

Abstract: A post-processing apparatus, including a stacker which stacks sheets, including a sheet stopping member which aligns the sheet and an urging member which urges the sheet to move toward the sheet stopping member, an accumulating section which is positioned upstream of the stacker in a sheet conveyance direction, a first sheet detection section which is positioned upstream of the accumulating section, and a control section which controls the accumulating section, based on a sheet detection signal, to superimpose a secondary sheet on a primary sheet in the accumulating section, wherein a leading section of the primary sheet is positioned toward an upstream side for a first predetermined length from a leading section of the secondary sheet, and controls the urging member to rub a leading section of the primary sheet which protrudes from the secondary sheet toward the sheet stopping member.

Abstract: A sheet post-processing apparatus includes a sheet aligning device that increases, when the number of sheets conveyed thereto exceeds a predetermined number, the number of times of an aligning operation of the sheet aligning device, which aligns the sheets conveyed thereto, to be larger than the number of times of the aligning operation at the number of sheets equal to or smaller than this predetermined number.

Abstract: A sheet post-processing apparatus includes a stacking tray on which sheets are stacked, an aligning unit that aligns the sheets stacked on the stacking tray, a stapler that staples the sheets aligned by the aligning unit using two members provided on one surface side and the other surface side in a thickness direction of the sheets, first conveying rollers arranged in a position on an upstream side along a conveying direction after stapling of the sheets and in contact with one end of the sheets and driven to rotate after the stapling by the stapler, and second conveying rollers arranged in a position on a downstream side along the conveying direction of the sheets and in contact with the other end of the sheets and driven to rotate at rotation speed different from that of the first conveying rollers after the stapling by the stapler.

Abstract: A positional relation between the position of the positioning plate 22 for conducting reference-positioning on sheets of paper, which are fed onto the sheet table of the bind processing device, and the position of the division ring binder held by the binding mechanism section is set to be the same as a positional relation between the sides of the sheets of paper P and the punch holes. Forward end portions of the sheets of paper are pushed onto the sheet forward end position regulating plate 19, and the movable positioning plate 23 comes close to the reference positioning plate 22 and conducts positioning on the sheets of paper in a direction perpendicular to the sheet conveyance direction so as to arrange the positions of the sheets of paper. In this laminated state, the sheets of paper are sent to the binding mechanism section and attached with a binder.

Abstract: In a sheet processing apparatus that, for example, sorts or staples sheets after image formation, when preceding finishing is not completed on a processing tray, a third sheet fed anew into a waiting tray of a sheet placing member configuring a sheet waiting unit, which temporarily puts a sheet conveyed thereto on standby, is stacked to be shifted such that leading ends of second and third sheets are located further on a conveying direction upstream side than a leading end of a first sheet. Consequently, longitudinal alignment in the processing tray after that is surely performed.

Abstract: A post-processing apparatus including a conveyance unit containing a stacker for storing a plurality of sheets placed one on top of the other and a conveyance path having a curvature for ejecting a plurality of sheets placed one on top of the other in the stacker and a control section for controlling conveyance of sheets, wherein the control section controls aligning the plurality of sheets in the conveyance unit, feeding a plurality of sheets placed one on top of the other to a roller through the conveyance path having a curvature, driving the conveyance roller so as to feed the plurality of sheets, hitting the sheet ends against a stopper so as to align the sheet ends, further conveying the sheets with the ends aligned until a loop is formed on sheets, and punching the sheets using by a punching section subsequent to formation of the loop.

Abstract: A compiling unit includes a collection tray and a variable-speed compiling system adapted to operate at at least two speeds to thereby receive a sheet of media at a higher speed and register the sheet of media within the collection tray at a lower speed. A control system is adapted to selectively operate the variable-speed compiling system at the at least two speeds. A printing system having a sheet media source, at least one marking engine, such a compiling unit and such a control system is included. A method of compiling sheet media is also included.

Abstract: Provided is a shift transport device for transporting a sheet to a sheet transport direction upstream side of a sheet process tray and for shifting the sheet. The shift transport device offsets the sheet and the sheets are stacked on a sheet process tray. Then, the sheets stacked on the sheet process tray in a state of being offset are aligned by an aligning member.

Abstract: A stapling apparatus includes: a processing tray; a paper discharge unit configured to discharge sheets on the processing tray; an aligning unit configured to align sheets manually inserted onto the processing tray from a paper discharge port of the paper discharge unit; and a stapler configured to staple the sheets manually inserted on the processing tray.

Abstract: Typical configurations of a sheet stacking apparatus, a sheet processing apparatus, and an image forming apparatus according to the present invention includes a discharging unit which discharges a sheet; a stacking member which stacks a discharged sheet; and a holding unit which is movably disposed along a stacking surface of the stacking member and holds an upstream end in the discharging direction of a stacked sheet, wherein the holding unit is moved according to changes in the upstream end position of the sheet in the discharging direction.

Abstract: The present invention provides a sheet stacking apparatus which has a pair of lower discharge rollers which discharges a sheet, a processing tray which stacks the sheet discharged from the pair of lower discharge rollers, a trailing end stopper which aligns the trailing end portion in the conveying direction of the sheet bundle stacked on the processing tray, and pull-in paddles which drop the sheet discharged from the pair of lower discharge rollers on the processing tray and conveys the sheet to abut against the trailing end stopper where the pull-in paddles rotate at a first rotating speed so that the sheet discharged from the pair of lower discharge rollers is dropped on the processing tray and the pull-in paddles rotate at a second rotating speed, slower than the first rotating speed, so that the sheet abuts against the trailing end stopper.

Abstract: A sheet processing apparatus includes an intermediate stacking portion which temporarily stacks, thereon, a sheet conveyed thereto; a discharge portion which discharges sheet stacked on the intermediate stacking portion; an aligning member which is provided downstream of the discharge portion in a sheet conveying direction and has a sheet holding surface capable of holding the lower surfaces of the sheet and a sheet aligning surface capable of abutting against end portions of the sheet in the widthwise direction orthogonal to the sheet conveying direction, the aligning member being movable in the widthwise direction; a first stacking portion which is provided below the aligning member and stacks, thereon, a sheet discharged from the discharge portion; and a second stacking portion which is provided above the aligning member and stacks, thereon, a sheet conveyed thereto; wherein a standby position of the aligning member is at a position more inward than the outermost position in the widthwise direction, within

Abstract: A sheet post-processing unit which includes a sheet stacking portion, a sheet conveying portion, an intersectional moving device, a vertical moving device, an intersectional regulating member, and a controller. The sheet stacking portion stacks sequentially discharged sheets. The sheet conveying portion conveys each sheet stacked on the sheet stacking portion. The intersectional moving device moves the sheet conveying portion in a direction intersecting with a sheet discharging direction. The vertical moving device moves up and down the sheet conveying portion in a vertical direction. The intersectional regulating member aligns each sheet by contacting an edge of each sheet. The controller controls the intersectional moving device and the vertical moving device to move the sheeting conveying portion, and to press-contact the sheet conveying portion to an upper surface of a sheet and separate it from the sheet.

Abstract: A sheet post-processing apparatus includes a sheet aligning device that increases, when the number of sheets conveyed thereto exceeds a predetermined number, the number of times of an aligning operation of the sheet aligning device, which aligns the sheets conveyed thereto, to be larger than the number of times of the aligning operation at the number of sheets equal to or smaller than this predetermined number.

Abstract: Disclosed is a multiple stapling apparatus that can staple at least two or more parts of a sheet by exactly supporting the sheet a stapling position of a sheet finisher which finishes the sheet ejected from a digital output device. The multiple stapling apparatus includes a clamp shaft (65) parallel to a moving direction of the stapler, a first guide (50) having a first base wall (51) axially rotated around the clamp shaft (65) at a predetermined angle on the clamp shaft, supporting the sheet stacked on the compile tray, and second guides (60a and 60b) having second base walls (61a and 61b) slid along the clamp shaft along with the stapler, supporting the sheet on the compile tray when the first base wall is opened, wherein the first guide is axially rotated at a predetermined angle around the clamp shaft to open the first base wall when the stapler moves at a predetermined distance along the clamp shaft from a hole position (94).

Abstract: A sheet aligning apparatus includes a tray device for piling and storing sheets from a sheet outlet, a sheet discharging and delivering device arranged above the tray device, and a shift device for moving the sheet discharging and delivering device between an operating position of pressing the uppermost sheet with predetermined pressing force and a non-operating position of lightening or releasing pressing force. The apparatus also includes a regulating stopper member for colliding the sheets sent by the sheet discharging and delivering device at the sheet front or back ends for regulating sheet position, an aligning device for regulating the sheets on the tray in a direction crossing the sheet discharging direction, and a control device for controlling the sheet discharging and delivering device, the shift device and the aligning device.

Abstract: A sheet processing apparatus includes an aligning member and a shift conveying unit. The aligning member is movable in a width direction perpendicular to a sheet conveying direction and presses a sheet stack loaded on a sheet processing tray so as to align the sheet stack in the width direction. The unit is provided on the upstream side of the tray and conveys a sheet, shifting the sheet in the width direction. Being shifted by the unit, sheets are loaded at first and second loading positions on the tray. When sheets are loaded at the first loading position, the aligning member is moved to a first standby position corresponding to the first loading position in advance. When sheets are loaded at the second loading position, the aligning member is moved in advance to a second standby position corresponding to the second loading position.

Abstract: An aligning unit aligns a front end of a sheet bundle stacked in a tray in a discharging direction. A sheet bundle conveying unit holds a rear end of the sheet bundle and conveys the sheet bundle in the discharging direction. The aligning unit is arranged to be retracted from a conveying path of the sheet bundle after aligning the front end of the sheet bundle and to come out in the conveying path of the sheet bundle behind the sheet bundle conveying unit after a movement of the sheet bundle conveying unit.

Abstract: Provided is a sheet processing apparatus for processing sheets, including: a sheet process tray on which sheets to be processed are stacked; a sheet transport means for transporting processed sheets on the sheet process tray; a pressure member which is provided on an upstream side of the sheet transport means with respect to a sheet transport direction and which moves in the sheet transport direction while pressing the processed sheets, for transporting the processed sheets in cooperation with the sheet transport unit; and a controller for selectively operating the pressure member.

Abstract: A sheet processing apparatus including: a saddle stitching stapler including a staple driving portion movable in a sheet width direction and a staple clinching portion arranged at a saddle stitching position, and adapted to staple a middle portion of a sheet bundle by causing the staple driving portion to approach the staple clinching portion after the staple driving portion moves to the saddle stitching position; and a side stitching stapler including a staple driving portion and a staple clinching portion pivoted to each other, and adapted to staple an end portion of the sheet bundle by holding the end portion between the staple driving portion and the staple clinching portion after the staple driving portion and the staple clinching portion move to a side stitching position in the sheet width direction, the side stitching stapler and the saddle stitching stapler being aligned in the sheet width direction.

Abstract: A bundle claw attached to a sheet conveyor belt includes a concave portion having a bottom surface for regulating a position of a trailing end of the sheets, and, in the bottom surface, a surface on a lower side that comes into contact with the sheet conveyor belt is formed deeper than a surface on an upper side to form the step portion between the surface on the lower side and the surface on the upper side. Therefore, when a small number of sheets are discharged from a processing tray to a stacking tray, a trailing end of the sheets is located on the lower surface side of the concave surface of the bundle claw, where the trailing end of the sheets should be originally located, and does not move to the upper surface side of the concave surface of the bundle claw.

Abstract: There is provided a technique in which while the occurrence of a sheet jam is avoided, a pair of folding rollers for a folding process and a stapler for a staple process can be disposed to be close to each other, and a contribution can be made to the improvement of productivity.

Abstract: A sheet processing device includes a stapling tray, a rear-end clamp, and a stapler that staples sheets while the rear-end clamp is clamping the sheets. In response to a start signal, the stapler moves to a position where the stapler does not interfere the rear-end clamp while being closest to a stapling position. When the last sheet of a sheet bundle to be stapled is conveyed into the stapling tray, timing at which the stapler moves to the stapling position is determined according to a preset condition.

Abstract: A sheet post-processing apparatus includes a sheet aligning device that increases, when the number of sheets conveyed thereto exceeds a predetermined number, the number of times of an aligning operation of the sheet aligning device, which aligns the sheets conveyed thereto, to be larger than the number of times of the aligning operation at the number of sheets equal to or smaller than this predetermined number.

Abstract: A receiving member for receiving the leading end of sheet on a sheet placing table is disposed movably along the upper surface of the sheet placing table within a specified range including a first position located at the other end of the sheet placing table and distanced from a carry-in opening at least by the length of the sheet, and an operation control unit causes the receiving member to move to a second position where the trailing end of the sheet received by the receiving member slips under the carry-in opening.

Abstract: An apparatus (100) and method (1200) that disk stacks and compiles media sheets. The apparatus can include a media sheet transport (120) configured to transport media sheets and a stacker (130) configured to stack the media sheets (110). The apparatus can include a rotatable disk (140) coupled to the media transport, the rotatable disk configured to receive a leading edge (112) of a media sheet and configured to transport the media sheet to the stacker. The apparatus can include a compiler (150) configured to compile a set of a plurality of the media sheets and an ejector (160) configured to eject the set of a plurality of the media sheets from the compiler onto the stacker. One of the rotatable disk and at least a portion of the compiler can be movable (171) relative to each other to switch between the rotatable disk providing media sheets to the stacker and the rotatable disk providing media sheets to the compiler.

Abstract: A pressing member pressed against a sheet stack portion can be moved to both a retracting portion where alignment of the sheet by the aligning portion is not prevented and a pressing position where the aligned sheet S1 is pressed against the sheet stack portion. Moreover, a regulation member for regulating upward movement of the end of the aligned sheet in a conveyance direction can be moved in association with movement of the pressing member to both a retracting portion where alignment of the sheet S1 by the aligning portion is not prevented and a regulating position where upward movement of the end of the aligned sheet S1 in a conveyance direction is regulated.

Abstract: After an image was formed, a position in the width direction of the sheet stacked on a stacking portion is aligned by fixing one of aligning plates which can independently be driven and moving the other aligning plate in one direction. When the image is formed onto the sheet, a side edge of the sheet on the side which is come into contact with the aligning plate on the side fixed as a reference wall upon aligning is used as a reference and the image is formed.

Abstract: A paper-sheet handling device is provided with a paper-sheet-holding unit 32 that causes the plurality of paper-sheets 3? to butt against a reference position and stacks these paper-sheets 3? to hold them temporarily and alignment pins 85a, 85b which align pinched holes 3a in the plurality of paper-sheets 3? temporarily held by this paper-sheet-holding unit 32, as shown in FIG. 9. In this device, it is supposed that a distance from the reference position up to a predetermined position of the alignment pins 85a, 85b is S1 and a distance from front edges of the paper-sheets 3? up to a predetermined position of the punched holes 3a is S2, the alignment pins 85a, 85b are disposed with respect to the reference position in such a manner as to satisfy a relationship of S1>S2.