Abstract: A paper post-processing device includes: a base tray 112 configured to stack paper transferred from an image-forming device; a paper transferring unit including a paper gripper configured to grip a rear end of a paper bundle stacked on the base tray 112, a paper transferring unit configured to transfer the paper gripper; and a stacker tray 103 configured to stack paper transferred from the paper transferring unit, wherein the paper gripper includes an ejector 202 to be fixed, and a gripper 106 rotatably configured about a predetermined angle to the ejector 202, and the paper gripper is configured to grip the several sheets of paper by the ejector 202 and the gripper 106, further including a grip release unit configured to release a grip by the ejector 202 and the gripper 106.

Abstract: A paper post-processing device includes: a base tray 112 configured to stack paper transferred from an image forming device; a paper transferring unit including a paper gripper configured to grip a rear end of a paper bundle stacked on the base tray 112, and a paper transferring unit configured to transfer the paper gripper; and a stacker tray 103 configured to stack paper transferred from the paper transferring unit, wherein the paper gripper includes an ejector 202 to be fixed, and a gripper 106 rotatably configured about a predetermined angle to the ejector 202, and wherein the paper gripper is configured to grip the several sheets of paper by the ejector 202 and the gripper 106, further including a grip release unit configured to release a grip by the ejector 202 and the gripper 106.

Abstract: A bookbinding apparatus inserts ring parts of a comb-shaped ring into binding holes of a sheet bundle and files and binds the sheet bundle, sequentially and includes a binding hole forming section configured to form binding holes in the sheet, a compiling section configured to arrange the sheet in which the binding holes are formed to make the sheet bundle, a comb-shaped ring feeding section configured to feed the comb-shaped ring piece by piece, a binding section configured to receive the fed comb-shaped ring, insert the ring parts of the comb-shaped ring into the binding holes of the sheet bundle, and bind the sheet bundle, and a bound-book discharging section configured to transfer the sheet bundle bound by the binding section to a storage stacker.

Abstract: A sheet processing apparatus includes a sheet conveying path; a sheet entrance unit provided in the sheet conveying path; a sheet discharge unit provided in a location separated from the sheet entrance unit by a predetermined distance; a driving unit that drives the sheet entrance unit and the sheet discharge unit; a sheet guide unit that guides sheets and is provided between the sheet entrance unit and the sheet discharge unit to allow the sheets passing through the sheet entrance unit to be sequentially stacked; and a sheet buffer device that is configured such that the stacked sheets pass through the sheet discharge unit while the stacked sheets are loaded on a step with each leading end of the stacked sheets being separated with a predetermined interval.

Abstract: A binding apparatus performs a binding process by bonding the end side of the sheet bundle, and is provided with a notch cutter that forms a notch in the end side used in the sheet binding process in the middle of the sheet conveyance path of the binding apparatus. The notch-forming unit includes a pair of sheet conveyance guides for forming a part of the sheet conveyance path, a cutter provided in a rotatably supported bracket, and a biasing means for applying a force to the cutter to face the sheet conveyance path formed by a pair of the sheet conveyance guides at all times.

Abstract: A sheet processing device in the form of an offset stacker, a sheet fence (103, 104) is provided on a side of sheets (S) to be processed stacked on a stack tray (3) opposite from a jogger (101, 102) so that the sheet fence accurately defines a final offset position of the sheets. When a transient offset position at which the sheets are stacked on the stack tray varies from one sheet to another, the side edges of sheets selected for offset stacking can be lined up without fail owing to the jogging action of the jogger and the supporting action of the sheet fence. A pair of joggers may be arranged on either side of the sheets, along with a pair of corresponding sheets fences on the opposing sides. The jogger and sheet fence on a same side may be supported by a common moveable frame (107, 108).

Abstract: A sheet-processing device for performing various sheet post-processing functions at high speed and implementing a compact structure includes a compiler 106 that causes a stacked sheet to wait until stapling processing is performed; a jogger 107 that aligns the sheet stacked on the compiler 106; a stapler device 24 that performs the stapling processing to the sheet aligned by the jogger 107 as many as the setting number of sheets; and a sheet transfer pathway 105 through which the sheet in which an image is formed is delivered to the compiler 106.

Abstract: A sheet-processing device for performing various sheet post-processing functions at high speed and implementing a compact structure includes a compiler 106 that causes a stacked sheet to wait until stapling processing is performed; a jogger 107 that aligns the sheet stacked on the compiler 106; a stapler device 24 that performs the stapling processing to the sheet aligned by the jogger 107 as many as the setting number of sheets; and a sheet transfer pathway 105 through which the sheet in which an image is formed is delivered to the compiler 106.

Abstract: A bookbinding device includes a plurality of annular binders corresponding to binding holes. A part of an annular binder is inserted into a binding hole to be engaged, and by virtue of the insertion of the annular binder into the corresponding binding hole, the sheet bundle is bound to be provided as a booklet. Respective ends of binding members engage with each other, whereby the binding members are unified. The binding members are disposed so as to be aligned and constitute respectively binding member units which can be separated one by one. The pairs of the binding members are located in sequence so as to correspond to the binding holes to be pushed and moved and, thus, to be inserted through the binding holes. The respective ends of the binding members then engage with each other, whereby the binding members are unified.

Abstract: A milling unit of a book binding device removes a coating material adhered to cutting surfaces of coating sheets. A book binding device binding a bunch of sheets fed from a sheet aligning unit includes a sheet aligning plate aligning a section of the bunch of sheets fed from the sheet aligning unit; a gripper fixing the bunch of sheets aligned by the sheet aligning plate; an adhesive unit feeding an adhesive member to the section of the bunch of sheets to bind the bunch of sheets; and a milling unit milling the section of the bunch of sheets before the bunch of sheets is subjected to binding by the adhesive unit.

Abstract: Disclosed are a sheet punching apparatus and a method for controlling the same in which the side end position of a sheet, its rear end position, a hole position, and the detachment state of a punch portion are sensed only by two sensors, and a punching hole can be formed at the exact position of a sheet by means of the two sensors.

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 feeding apparatus with a buffer system is disclosed, in which a sheet feeding drum has a certain rotational speed regardless of the size of the sheet to feed a plurality of sheets to a sheet finisher and eject the sheets after exactly aligning them. The sheet feeding apparatus includes sheet feeding grips 36a, 36b, 36c and 36d provided on the outside of a sheet feeding drum 105 at certain intervals, and a sheet feeding grip controller (cam) 42 allowing the sheet feeding grips to selectively grip the sheets moving through the outside of the sheet feeding drum 105. The sheets gripped by the sheet feeding grips are buffered by the end fence and are ejected to a sheet finisher through a sheet ejection path when the end fence is opened.

Abstract: A finishing apparatus of an image forming apparatus and a method for controlling the same are disclosed, in which various block modules performing finishing functions are provided and a user can selectively use any module by detachably fixing the same in a copier. The finishing apparatus includes a paper conveyer module detachably fixed to an image tray module, a mail box module, a finisher module, and a booklet module, the paper conveyer module being detachably fixed in a copier. The paper conveyer module includes a controller sensing whether the respective modules are detachably provided to selectively control functions of the respective modules in accordance with an output signal of the copier. In addition, paper path switch devices provided in the paper conveyer module include a plurality of paper dispensers that dispense papers in three or more directions.

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: Disclosed are a sheet punching apparatus and a method for controlling the same in which the side end position of a sheet, its rear end position, a hole position, and the detachment state of a punch portion are sensed only by two sensors, and a punching hole can be formed at the exact position of a sheet by means of the two sensors.

Abstract: A sheet post processing device receives, sheets on an inverter structure which causes initial sheets supplied to the inverter to be overlayed first sheet on the second sheet, and moves the overlayed first and second and subsequent sheets to a sheet transport path for delivery to a sheet sending device adapted to be indexed vertically between selective gates and fixed outlets into selected trays, and has a stapler for stapling sheets in sets, before sending the sets to the outlet and into a tray.

Abstract: An automatic stapling apparatus and method is disclosed which may have a stapling mechanism moved by a stapler engaging mechanism into a stapling position in relation to a stack of sheets to be stapled, inserted through a stack insertion opening, and adapted to staple a stack of sheets up to a maximum thickness, and may comprise: a sheet stack thickness gauging apparatus adapted to move into a sheet stack thickness gauging position prior to the stapling mechanism being moved by the stapler engaging mechanism into the stapling position; the sheet stack thickness gauging apparatus being further adapted to engage any object within the insertion opening in position to be engaged by the stapler which is of a thickness greater than or equal to a pre-selected thickness; and, a safety disconnect apparatus adapted to prevent the operation of the stapler in the event that the sheet stack thickness gauging apparatus engages an object in the insertion opening in position to be engaged by the stapler which is of a thickne

Abstract: A set finishing apparatus and method adapted for use with an image producing machine discharging sheets of paper in sets that are arranged for finishing is disclosed which may comprise: a moveable set finishing unit having a home position and a plurality of set finishing station positions located generally along a longitudinal axis, and having at least at each finishing station position a retracted position and an operating position, with each respective finishing station retracted position and operating position displaced from each other generally orthogonally to the longitudinal axis; a drive motor having an output drive shaft; a translational drive mechanism comprising a rotating shaft mounted generally parallel to the to the longitudinal axis and operatively connected to the drive motor output drive shaft and adapted to rotate in a rotating direction in response to rotation of the drive motor output drive shaft in a rotating direction; and, the moveable set finishing station being operatively connected to

Abstract: A medium stacker is disclosed, which has a structure that effectively processes load externally applied to a stacker tray so as to prevent damage of the medium stacker and an external object from occurring and increases the ascending range of a stacker tray without change of a power transmission structure. The medium stacker includes a basic module frame fixed to a medium unit of a main body of an output device, a stacker tray fixed to the basic module frame to enable the ascending operation, on which ejected papers are stacked, a first guide means provided in the basic module frame, guiding the ascending operation of the stacker tray, a lifting belt ascending the stacker tray along the first guide means, and a belt driving pulley fixed to the lifting belt. The lifting belt includes a first part moving along the belt driving pulley, having one end fixed to the stacker tray, and a second part of an elastic member which is not moving along the belt driving pulley, having one end fixed to the basic module frame.