公开(公告)号：JP2014201419A

公开(公告)日：2014-10-27

申请号：JP2013080607

申请日：2013-04-08

申请人： 株式会社リコー ,  Ricoh Co Ltd

发明人： MATSUSHITA SHINGO ,  SUZUKI NOBUYASU ,  KOSUGE KATSUHIRO ,  SHIBAZAKI YUSUKE ,  YOSHIDA RYUJI ,  TAKAHASHI KO ,  NISHIFUJI TAKASHI ,  TAKESUTE AKIHIRO ,  MORINAGA TAKUYA ,  OKAMOTO IKUHISA

IPC分类号： B65H37/04

摘要： 【課題】乾燥したシートであっても絞り圧着綴じで必要な綴じ強度を得る。【解決手段】シートP1,・・・Pnを搬送する入口ローラ203、排紙ローラ205と、前記搬送されたシートを集積するシート搬送路240及び分岐搬送路241と、前記集積されたシート束PBに対して上側の第1の歯型部261aと下側の第2の歯型部261bが噛み合うようにして厚み方向から押圧力を加えて綴る綴じ具210と、を有するシート後処理装置201であって、前記綴じ具210によって綴じる前に前記シートP1,・・・Pn又はシート束PBを冷却し、シートに水分を吸収させる冷却ファン250を備えた。【選択図】図18

摘要翻译： 要解决的问题：为了获得卷曲结合所需的粘合强度，即使干燥的片材也被粘合。解决方案：片材后处理装置201包括：输送片材P1，... Pn的入口辊203; 排纸辊205; 片材传送通道240和分层传送通道241层压被传送的片材; 以及用于施加来自厚度方向的按压力的装订工具210，使得上部第一齿状部261a和下部第二齿形部261b相对于用于捆扎的层压片材束PB彼此接合。 在通过装订工具210装订片材之前，片材P1，... Pn或片材束PB被冷却，以使片材通过冷却风扇250吸收水分。

公开(公告)号：JP2014177344A

公开(公告)日：2014-09-25

申请号：JP2013053918

申请日：2013-03-15

申请人： Ricoh Co Ltd ,  株式会社リコー

发明人： NISHIFUJI TAKASHI ,  SUZUKI NOBUYASU ,  MATSUSHITA SHINGO ,  KOSUGE KATSUHIRO ,  SHIBAZAKI YUSUKE ,  YOSHIDA RYUJI ,  TAKAHASHI KO ,  MORINAGA TAKUYA ,  OKAMOTO IKUHISA ,  TAKESUTE AKIHIRO

IPC分类号： B65H37/04 ,  B42B5/00 ,  B42C19/02 ,  G03G15/00

摘要： PROBLEM TO BE SOLVED: To provide a post-processing device configured to prevent a following form from getting jammed by continuing a post-processing operation on condition that the post-processing operation can be performed when a driving source used for the post-processing operation is returned to its home position owing to some abrupt factor.SOLUTION: There is provided a post-processing device which performs a binding process on a plurality of stacked forms by pressing and deforming a part of the form bundle into an uneven shape using a reversible driving source. The post-processing device includes a timer which detects the time of the binding process time by reverse driving of the driving source, and a control part which has an operation part for inputting at least the number and thickness of bound forms connected to its input side and also has the driving source and a shift movement driving part for the forms connected to its output side. The control part reverses the driving source when abnormality of the driving source is detected during the binding process, and normally rotates the driving source again to retry the binding process when the reversing process is completed normally.

摘要翻译： 要解决的问题：提供一种后处理装置，其被配置为通过在用于后处理操作的驱动源执行后处理操作的条件下通过继续后处理操作来防止后续形式的卡住 由于一些突然因素而返回到其原始位置。解决方案：提供一种后处理装置，其通过使用可逆的方式将形状束的一部分压制和变形成不均匀形状来对多个堆叠形式进行装订处理 驱动源。 后处理装置包括：定时器，其通过驱动源的反向驱动来检测装订处理时间的时间;以及控制部，其具有用于至少输入连接到其输入侧的绑定形式的数量和厚度的操作部分 并且还具有用于连接到其输出侧的形式的驱动源和换档运动驱动部。 当在装订过程中检测到驱动源的异常时，控制部分反转驱动源，并且当反向过程正常完成时，通常再次旋转驱动源以重新进行装订过程。

公开(公告)号：JP2014073681A

公开(公告)日：2014-04-24

申请号：JP2013182722

申请日：2013-09-04

申请人： Ricoh Co Ltd ,  株式会社リコー

发明人： MORINAGA TAKUYA ,  KOSUGE KATSUHIRO ,  OKAMOTO IKUHISA ,  SUZUKI NOBUYASU ,  NISHIFUJI TAKASHI ,  TAKESUTE AKIHIRO ,  YOSHIDA RYUJI ,  MATSUSHITA SHINGO ,  SHIBAZAKI YUSUKE ,  TAKAHASHI KO

IPC分类号： B42B5/00 ,  B42C19/02 ,  B65H37/04 ,  G03G15/00

摘要： PROBLEM TO BE SOLVED: To provide a sheet binding device, a sheet processing apparatus, an image forming system, an image forming apparatus and a program of the sheet binding device, capable of performing perfect binding and temporary binding, while suppressing cost increase and enlargement of a device.SOLUTION: A sheet binding device 280 of a crimping binding system is provided for binding a sheet bundle PB by binding means 210 having a pair of crimping members 261 with an irregular shape arranged in a predetermined direction. The sheet binding device has binding trace angle change means capable of making the binding means bind the sheet bundle by changing an angle of a binding trace 301 attached to the sheet bundle after binding it with the binding means. The binding power between the sheets of the sheet bundle to the direction of turning the sheets can be changed by changing the angle of the binding trace.

摘要翻译： 要解决的问题：提供能够进行完美的装订和临时装订的片材装订装置，片材处理装置，图像形成系统，图像形成装置和程序，同时抑制成本增加和放大 的装置。解决方案：压接装订系统的片材装订装置280用于通过装订装置210装订片材束PB，装订装置210具有沿预定方向布置的不规则形状的一对压接构件261。 片材装订装置具有装订跟踪角度改变装置，其能够使装订装置通过在与装订装置结合之后改变连接到片材摞的装订迹线301的角度来绑定片材束。 可以通过改变粘合迹线的角度来改变片材束的片材与转动片材的方向之间的捆扎力。

公开(公告)号：JP2013237257A

公开(公告)日：2013-11-28

申请号：JP2013015766

申请日：2013-01-30

申请人： Ricoh Co Ltd ,  株式会社リコー

发明人： NISHIFUJI TAKASHI ,  KOSUGE KATSUHIRO ,  MATSUSHITA SHINGO ,  SHIBAZAKI YUSUKE ,  SAITO SATOSHI ,  HIDAKA MAKOTO ,  TAKESUTE AKIHIRO ,  MORINAGA TAKUYA ,  OKAMOTO IKUHISA ,  SATO SHOICHI ,  SUZUKI NOBUYASU

IPC分类号： B42B5/00 ,  B42C19/02 ,  B65H37/04

CPC分类号： B65H39/00 ,  B42C1/12 ,  B65H29/58 ,  B65H31/26 ,  B65H39/10 ,  B65H2405/57 ,  B65H2511/20 ,  B65H2513/41 ,  B65H2701/1313 ,  B65H2220/02 ,  B65H2220/01

摘要： PROBLEM TO BE SOLVED: To prevent defective binding and jamming of sheets without increasing the size and costs of an apparatus.SOLUTION: A sheet processing apparatus includes a sheet binding device 210 binding a sheet bundle including multiple stacked sheets P by inserting the sheet bundle between tooth forms having multiple projections 300a and multiple recesses meshed with the projections, pressing the tooth forms, and pressing and deforming the sheet bundle PB between the projections and the recesses. A slope 300a1 facing a sheet conveying direction front surface of the projection 300a is formed at an inclination of 45° or less relative to a plane (base 300a3) surface parallel to a sheet conveying direction D5. When the sheet P enters a tooth form part 300 and when a leading edge of the sheet P abuts against the slope 300a1, it is conveyed in an upward escape state.

摘要翻译： 要解决的问题：为了防止在不增加设备的尺寸和成本的情况下不良的装订和堵塞的纸张的装订和堵塞。解决方案：片材处理装置包括：片材装订装置210，通过将片材束插入 齿形具有多个突起300a和与突起啮合的多个凹槽，按压牙齿形状，并且在突起和凹部之间挤压和变形纸捆PB。 相对于平行于纸张传送方向D5的平面（基底300a3）表面，倾斜度为45°或更小的方式形成面向突起300a的纸张传送方向前表面的倾斜面300a1。 当片材P进入齿形部分300时，并且当片材P的前缘抵靠斜面300a1时，它被向上转移状态传送。

公开(公告)号：JP2013126901A

公开(公告)日：2013-06-27

申请号：JP2011276264

申请日：2011-12-16

申请人： Ricoh Co Ltd ,  株式会社リコー

发明人： WATANABE KENHIRO ,  TAMURA MASAHIRO ,  NAGASAKO HIDEYA ,  FURUHASHI TOMOHIRO ,  SUGIYAMA KEISUKE ,  SHIBAZAKI YUSUKE ,  NAKADA KYOSUKE ,  YAMAMOTO KAZUYA ,  HOSHINO TOMOMICHI ,  NIIKURA YASUO ,  SUZUKI JUNYA ,  KONNO KAZUNORI ,  KUNIEDA AKIRA ,  YOSHIZAKI TOMOHIRO ,  NIIZUMA YOHEI ,  GOTO KIICHIRO

IPC分类号： B65H37/04 ,  B65H31/34

摘要： PROBLEM TO BE SOLVED: To provide a sheet processing apparatus that prevents reduction in productivity when sheets different in paper size or binding position are bound in a row, and to provide an image forming system.SOLUTION: The sheet processing apparatus includes: a paper sheet tray on which a paper sheet is placed; a rear end aligning member for aligning a rear end in a paper sheet conveyance direction of the paper sheet and moving in a paper sheet width direction which is perpendicular to the paper sheet conveyance direction; a binding means for binding a paper sheet bundle; and a moving means for moving the rear end aligning member between a home position and a standby position located in the paper sheet width direction. When a plurality of paper sheet bundles are bound in a row, if the paper size or the binding position is different between a preceding bundle and a subsequent bundle to be bound, the apparatus includes a control means for controlling the moving means to move the rear end aligning member to the next standby position for the next binding processing without moving it back to the home position from the standby position positioned in the preceding binding processing.

摘要翻译： 要解决的问题：提供一种片材处理装置，其防止在纸张尺寸或装订位置不同的纸张排成一行时降低生产率，并提供图像形成系统。 解决方案：片材处理设备包括：放置纸张的纸张托盘; 后端对齐构件，用于使纸张的纸张传送方向上的后端对齐并沿与纸张传送方向垂直的纸张宽度方向移动; 用于捆绑纸张束的装订装置; 以及用于使后端对准构件在位于纸张宽度方向上的原始位置和待机位置之间移动的移动装置。 当多个纸张束捆成一行时，如果纸张尺寸或装订位置在前束和随后的捆绑束之间不同，则该装置包括控制装置，用于控制移动装置使后方移动 端对齐构件到下一个待机位置，用于下一个装订处理，而不将其从位于先前装订处理中的待机位置返回到原始位置。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2013121861A

公开(公告)日：2013-06-20

申请号：JP2011270127

申请日：2011-12-09

申请人： Ricoh Co Ltd ,  株式会社リコー

发明人： SUGIYAMA KEISUKE ,  TAMURA MASAHIRO ,  NAGASAKO HIDEYA ,  FURUHASHI TOMOHIRO ,  SHIBAZAKI YUSUKE ,  YAMAMOTO KAZUYA ,  NAKADA KYOSUKE ,  HOSHINO TOMOMICHI ,  NIIKURA YASUO ,  SUZUKI JUNYA ,  KONNO KAZUNORI ,  KUNIEDA AKIRA ,  WATANABE KENHIRO ,  YOSHIZAKI TOMOHIRO ,  GOTO KIICHIRO

IPC分类号： B65H31/30 ,  B65H37/06

CPC分类号： B65H39/00 ,  B65H29/18 ,  B65H29/6609 ,  B65H37/06 ,  B65H45/18 ,  B65H2301/44312 ,  B65H2801/27

摘要： PROBLEM TO BE SOLVED: To provide a sheet processing apparatus and an image forming system in which a paper sheet loading surface is set to the height where the paper sheet is taken out easily, and a loading failure can be suppressed.SOLUTION: The sheet processing apparatus includes: a paper sheet folding means in which the paper sheet is subjected to folding processing; a paper sheet loading means for loading and housing the paper sheet subjected to the folding processing by the paper sheet folding means on the paper sheet loading surface; and an ejection means for ejecting the paper sheet subjected to the folding processing by the paper sheet folding means to the paper sheet loading means. The paper sheet loading surface has an inclined surface and a substantially-horizontal surface in this order in which the inclined surface is inclined to the horizon from the upstream side in a paper-sheet conveyance direction toward the downstream side in such a way that the downstream side is higher than the upstream side in a paper-sheet conveyance direction. The apparatus includes: a paper sheet conveying means for conveying the paper sheet ejected on the inclined surface by the ejection means from the inclined surface toward the substantially-horizontal surface; and a conveying force applying means provided above the inclined surface in contact with an upper surface of the paper sheet, and applying a conveying force to the paper sheet.

摘要翻译： 要解决的问题：提供一种片材加工装置和图像形成系统，其中纸张装载表面被设置为容易取出纸张的高度，并且可以抑制装载失败。 解决方案：片材处理设备包括：纸张折叠装置，其中纸张经受折叠处理; 纸张装载装置，用于将通过纸张折叠装置进行折叠处理的纸张装载和收纳在纸张装载表面上; 以及用于将由纸张折叠装置经受折叠处理的纸张排出到纸张装载装置的喷射装置。 纸张装载面具有倾斜面和大致水平的表面，其中倾斜表面从纸张输送方向上游侧向下游侧倾斜到水平线，使得下游 侧比纸张输送方向上的上游侧高。 该装置包括：纸张传送装置，用于将通过喷射装置在倾斜表面上排出的纸张从倾斜表面朝向大致水平的表面传送; 以及输送力施加装置，设置在与纸张的上表面接触的倾斜表面上方，并向纸张施加输送力。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2013095552A

公开(公告)日：2013-05-20

申请号：JP2011239621

申请日：2011-10-31

申请人： Ricoh Co Ltd ,  株式会社リコー

发明人： YAMAMOTO KAZUYA ,  TAMURA MASAHIRO ,  NAGASAKO HIDEYA ,  FURUHASHI TOMOHIRO ,  SUGIYAMA KEISUKE ,  SHIBAZAKI YUSUKE ,  NAKADA KYOSUKE ,  SUZUKI JUNYA ,  KONNO KAZUNORI ,  NIIKURA YASUO ,  HOSHINO TOMOMICHI ,  KUNIEDA AKIRA ,  WATANABE KENHIRO ,  YOSHIZAKI TOMOHIRO ,  GOTO KIICHIRO

IPC分类号： B65H31/38 ,  B65H37/04

摘要： PROBLEM TO BE SOLVED: To achieve a satisfactory precision of binding positions in a postprocessor capable of binding at a plurality of positions.SOLUTION: The postprocessor includes: rear-end reference fences 51a, 51b aligning sheets in a conveying direction of the sheets; jogger fences 53a, 53b movable between a regulating position where the sheets are aligned in the width direction Y of the sheets and a non-regulating position separated from the regulating position; a jogger fence moving mechanism reciprocating the jogger fences 53a, 53b; and a stapler S1 performing binding process at a plurality of positions of a sheet bundle PA aligned by the rear-end reference fences 51 and the jogger fences 53. For performing the binding process at a plurality of positions of the sheet bundle PA by the stapler S1, after the binding action is performed at a first position, the interval between the jogger fences 53a and 53b in the width direction Y of the sheets is opened to be wider than the regulating position by the jogger fence moving mechanism. Then, after the sheet bundle PA is moved to keep closed until having the width of the interval of the regulating position again, the binding action is performed at a second position.

摘要翻译： 要解决的问题：为了实现能够在多个位置处结合的后处理器中的结合位置的令人满意的精度。 解决方案：后处理器包括：后端参考栅栏51a，51b使纸张沿纸张的输送方向对准; 慢跑者围栏53a，53b可以在纸张沿纸张的宽度方向Y对准的调节位置和与调节位置分离的非调节位置之间移动; 慢跑者围栏移动机构使慢跑者围栏53a，53b往复运动; 以及订书机S1，在由后端基准栅栏51和整齐栏围栏53对齐的片材摞PA的多个位置执行装订处理。为了通过订书机在片材摞PA的多个位置执行装订处理 如图S1所示，在第一位置执行装订动作之后，纸张的宽度方向Y上的整流栅栏53a和53b之间的间隔比通过点动栅栏移动机构的调节位置宽。 然后，在片材束PA移动保持关闭直到再次具有调节位置的间隔的宽度之后，在第二位置执行装订动作。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2012232830A

公开(公告)日：2012-11-29

申请号：JP2011102904

申请日：2011-05-02

申请人： Ricoh Co Ltd ,  株式会社リコー

发明人： FURUHASHI TOMOHIRO ,  TAMURA MASAHIRO ,  NAGASAKO HIDEYA ,  SUGIYAMA KEISUKE ,  SHIBAZAKI YUSUKE ,  YAMAMOTO KAZUYA ,  NAKADA KYOSUKE ,  NIIKURA YASUO ,  SUZUKI JUNYA ,  KONNO KAZUNORI ,  HOSHINO TOMOMICHI ,  KUNIEDA AKIRA ,  WATANABE KENHIRO ,  YOSHIZAKI TOMOHIRO ,  GOTO KIICHIRO

IPC分类号： B65H31/34 ,  G03G15/00

CPC分类号： B65H31/38 ,  B42B4/00 ,  B42C1/125 ,  B65H31/02 ,  B65H2301/4213 ,  B65H2301/4214 ,  B65H2511/10 ,  B65H2511/11 ,  B65H2511/12 ,  B65H2511/13 ,  B65H2511/20 ,  B65H2515/81 ,  B65H2601/2531 ,  B65H2601/254 ,  B65H2701/1311 ,  B65H2701/1313 ,  B65H2801/27 ,  G03G15/6544 ,  B65H2220/01 ,  B65H2220/02 ,  B65H2220/11

摘要： PROBLEM TO BE SOLVED: To minimize damage to a sheet edge surface generated when a sheet comes into contact with an alignment device, and to prevent the generation of a collision mark.SOLUTION: A sheet handling apparatus includes: a staple tray on which the sheet is accommodated; a reference fence 51a with which a trailing edge in a conveying direction of the sheet P accommodated on the staple tray comes into contact to align the conveying direction of the sheet P; and a conveying-direction moving mechanism for moving the reference fence 51a along the staple tray in the sheet conveying direction. On the reference fence 51a, a first position for aligning and binding the sheet P and a second position positioned above the first position on a staple tray side are set, as receiving positions at which the sheet is received from the staple tray. When it is feared that the collision mark is generated, the receiving position is set to the second position.

摘要翻译： 要解决的问题：为了最小化当片材与对准装置接触时产生的片材边缘表面的损坏，并且防止产生碰撞标记。 纸张处理装置包括：收纳纸张的订书钉托盘; 参考栅栏51a，其中容纳在订书钉托盘上的片材P的输送方向的后缘与其接触以对齐纸张P的输送方向; 以及输送方向移动机构，用于沿着纸张传送方向沿着订书钉托盘移动参考栅栏51a。 在基准栅栏51a上，设置用于对准和装订纸张P的第一位置和位于订书钉托盘侧上的第一位置上方的第二位置作为从订书钉托盘接收纸张的接收位置。 当担心产生碰撞标记时，接收位置被设置为第二位置。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2012224433A

公开(公告)日：2012-11-15

申请号：JP2011093160

申请日：2011-04-19

申请人： Ricoh Co Ltd ,  株式会社リコー

发明人： NAKADA KYOSUKE ,  TAMURA MASAHIRO ,  NAGASAKO HIDEYA ,  FURUHASHI TOMOHIRO ,  SUGIYAMA KEISUKE ,  SHIBAZAKI YUSUKE ,  SUZUKI JUNYA ,  NIIKURA YASUO ,  KONNO KAZUNORI ,  HOSHINO TOMOMICHI ,  KUNIEDA AKIRA ,  WATANABE KENHIRO ,  YOSHIZAKI TOMOHIRO ,  GOTO KIICHIRO ,  YAMAMOTO KAZUYA

IPC分类号： B65H9/14

CPC分类号： B65H7/08 ,  B65H9/006 ,  B65H9/008 ,  B65H2511/414 ,  B65H2511/416 ,  B65H2701/1932 ,  B65H2220/02 ,  B65H2220/01

摘要： PROBLEM TO BE SOLVED: To improve skew correction performance for a folded sheet without lowering the productivity of the folded sheet.SOLUTION: A skew correction device includes a sheet conveying roller 1' arranged in a sheet conveying path; an entry roller 1 arranged downstream of the conveying roller 1' in a sheet conveying direction and driven separately from the sheet conveying roller 1'. When a sheet P is unfolded paper, the skew correction device performs first skew correction for correcting a skew by making a tip Pb of the sheet conveyed by the sheet conveying roller 1' abut on the entry roller 1 that is stopped. When a sheet Pz is Z folded paper, the skew correction device performs second skew correction for correcting the skew by making a tip of the sheet conveyed by the sheet conveying roller 1' abut on the entry roller 1, and reversing the rotation of the entry roller 1 at preset timing.

摘要翻译： 要解决的问题：为了提高折叠片材的偏斜校正性能而不降低折叠片材的生产率。 解决方案：歪斜校正装置包括布置在片材传送路径中的片材传送辊1' 入纸辊1，其在纸张输送方向上布置在输送辊1'的下游并与片材输送辊1'分开驱动。 当纸张P展开纸张时，歪斜校正装置通过使由纸张传送辊1'传送的纸张的尖端Pb抵靠在停止的进纸辊1上来执行用于校正歪斜的第一歪斜校正。 当片材Pz为Z折叠纸时，歪斜校正装置通过使由片材输送辊1'输送的片材的末端抵靠入口辊1进行第二歪斜校正，以纠正歪斜，并且使入口的旋转反转 滚筒1在预设定时。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2012218900A

公开(公告)日：2012-11-12

申请号：JP2011087277

申请日：2011-04-11

申请人： Ricoh Co Ltd ,  株式会社リコー

发明人： SUZUKI JUNYA ,  TAMURA MASAHIRO ,  NAGASAKO HIDEYA ,  FURUHASHI TOMOHIRO ,  SUGIYAMA KEISUKE ,  SHIBAZAKI YUSUKE ,  YAMAMOTO KAZUYA ,  NAKADA KYOSUKE ,  NIIKURA YASUO ,  KONNO KAZUNORI ,  HOSHINO TOMOMICHI ,  KUNIEDA AKIRA ,  WATANABE KENHIRO ,  YOSHIZAKI TOMOHIRO ,  GOTO KIICHIRO

IPC分类号： B65H37/04 ,  B65H31/26 ,  G03G15/00

摘要： PROBLEM TO BE SOLVED: To provide a paper processing device and an image forming device enabling good alignment accuracy of paper rear ends of a bound paper bundle.SOLUTION: The paper processing device includes: a paper carrier; a stacking tray for stacking a plurality of paper sheets carried by the paper carrier on a stacking face as a paper bundle; an alignment member to which rear ends in a paper carrying direction of the paper sheets stacked on the stacking tray abut to align the paper sheets; pressing members installed opposing to the stacking face, movable in the thickness direction of the paper bundle and pressing a paper upper face of the paper bundle in the vicinity of the alignment member; and a binding unit binding a portion of the paper bundle in the vicinity of the alignment member. At least the two pressing members are installed and each of the pressing members is movable in the paper width direction orthogonal to the paper carrying direction. The paper upper face at a central part in the paper width direction of the paper bundle in the vicinity of the alignment member is pressed by each pressing member. While pressing the paper bundle, the pressing members are moved from the central part side to one end side and the other end side in the paper width direction, respectively.

摘要翻译： 要解决的问题：提供一种纸张处理装置和成像装置，其能够实现装订纸束的纸张后端的良好的对准精度。 纸张处理装置包括：纸托架; 堆叠托盘，用于将由纸托架承载的多个纸张堆叠在作为纸捆的堆叠面上; 对齐构件，堆叠在堆叠托盘上的纸张的纸张传送方向上的后端抵靠着对准纸张; 与所述堆叠面相对安装的按压构件，其能够在所述纸束的厚度方向上移动，并且在所述对准构件附近按压所述纸束的纸张上表面; 以及装订单元，其结合对准构件附近的纸束的一部分。 至少安装两个按压构件，并且每个按压构件能够在与纸张传送方向正交的纸张宽度方向上移动。 在对准构件附近的纸束的纸张宽度方向的中央部的纸张上面由各按压部件按压。 在按压纸束的同时，按压部件分别从纸宽度方向的中央部侧向一端侧和另一端侧移动。 版权所有（C）2013，JPO＆INPIT