Class / Patent application number | Description | Number of patent applications / Date published |
270045000 | Sheet associating | 29 |
20080272531 | Folding device and corresponding printing press - A device for folding flat products including a rotor which can rotate freely about a centre axis, a first blade and a second blade for folding one of the flat products arranged on the rotor, first device for moving the first folding blade relative to the rotor between a passage position and a folding position. The folding device may include a second device for moving the second folding blade relative to the rotor between a passage position and a folding position. | 11-06-2008 |
20080315490 | SHEET STACKING APPARATUS AND SHEET PROCESSING APPARATUS EQUIPPED THEREWITH - A sheet stacking apparatus includes: a stacking tray which stacks a fold-processed and ejected sheet, and descends in response to a mass of stacked sheets; and a first sheet pressing member which holds the stacked sheets downward from an upper side of the stacked sheets at a constant height. | 12-25-2008 |
20080315491 | SHEET PROCESSING APPARATUS AND SHEET PROCESSING METHOD - There is provided a technique which can stably realize a high precision folding process irrespective of the number of sheets and the material of sheets constituting a bundle of sheets as an object of the folding process. At least one of information relating to the bundle of sheets as the object of the folding process by a folding blade and information relating to an environment in which the folding process is performed is acquired, and based on the acquired information, a position where the folding blade is brought into contact with the bundle of sheets as the object of the folding process is adjusted. | 12-25-2008 |
20090134563 | SHEET STACKING APPARATUS, SHEET PROCESSING APPARATUS, AND IMAGE FORMING APPARATUS - A sheet stacking apparatus includes an alignment roller which conveys a sheet to a sheet positioning member and an opening and closing shutter which is disposed so as to face a sheet stack surface of a sheet stack guide. The sheet positioning member abuts a sheet end in a sheet conveying direction to align the sheet. The sheet is stacked on the sheet stack guide. The opening and closing shutter has a regulating area where sheet conveying guide and buckling of the sheet are regulated from an upstream side to a downstream side in the sheet conveying direction of the alignment roller. A guide interval formed between the opening and closing shutter and the sheet stack surface can be changed. Therefore, in sheet conveying positioning, the buckling can securely be prevented in the sheet stack guide. | 05-28-2009 |
20090152789 | Sheet creaser, sheet conveyer, sheet finisher, and image forming apparatus - In a sheet creaser, when a sheet is conveyed to a folding unit by a conveyer unit, the folding unit folds the sheet and a pressing unit presses the folded sheet by sliding in a direction substantially perpendicular to a sheet conveying direction. A switching unit switches the conveyer unit between a first position to convey the sheet and a second position unable to convey the sheet. A driving unit drives both the switching unit and the pressing unit. | 06-18-2009 |
20090200725 | Sheet creaser, sheet conveyer, sheet finisher, image forming apparatus, and sheet creasing method - A pressing unit includes a pressure roller that slides on the folded side while rotating, an elastic biasing unit that presses the pressure roller in a thickness direction of the stack of sheets, and a driving unit that slides the pressure roller in a direction substantially perpendicular to a conveying direction of the stack of sheets. A lifting unit, when the pressure roller slides to a first position, temporarily lifts up the pressure roller, and when lifted-up pressure roller slides to a second position, lifts the lifted-up pressure roller down onto the folded side. | 08-13-2009 |
20090256301 | SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS - Provided is a sheet folding apparatus for folding a sheet stack, including a sheet stack support member for supporting a sheet stack by being abutted against a lower edge of the sheet stack, an abutting member for folding the sheet stack by making the sheet stack supported by the sheet stack support member abutted against a leading edge of the abutting member, and paired folding rollers for sandwiching the sheet stack folded by the abutting member to fold the sheet stack at a fold position, in which a position where the sheet stack is abutted against the leading edge of the abutting member with respect to the fold position is varied based on sheet stack information. | 10-15-2009 |
20100194019 | SHEET PROCESSING APPARATUS - A sheet processing apparatus of the invention includes a folding mechanism that includes paired folding rollers, presses a sheet to a nip portion of the paired folding rollers from a direction orthogonal to a transport direction, and folds the sheet by rotating the paired folding rollers. Further, there are provided a drive motor capable of making positive rotation and reverse rotation, a variable speed mechanism to convert a rotation force of the drive motor into a rotation output in a single direction and with a low speed or a high speed by changing a rotation direction of the drive motor, a transmission mechanism to transmit the rotation output in the single direction to the paired folding rollers, and a control unit to control the rotation direction of the drive motor and to change the rotation speed of the paired folding rollers. | 08-05-2010 |
20100230886 | SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS EQUIPPED WITH THE SAME - A folded spine of a booklet held by a pair of opposing holding members is deformed by entering a pressing member into a gap between the pair of holding members and bringing the pressing member into pressure contact with the folded spine. In consequence, the folded spine is prevented from receiving an excessive pressing force, and a smooth surface with a width substantially equal to the thickness of the booklet is thus formed on the folded spine, whereby a booklet with a good appearance can be made. | 09-16-2010 |
20100252981 | Media-sheet post-processing apparatus and image forming apparatus - A media-sheet post-processing apparatus performs post-processing on a media sheet delivered thereto. The sheet media post-processing apparatus includes a media-sheet conveying unit configured to convey a media sheet while moving in a media-sheet conveying direction; and a move drive unit configured to move the media-sheet conveying unit in the media-sheet conveying direction in such a manner that a difference between an amount that the media sheet is conveyed by the media-sheet conveying unit and an amount that the media-sheet conveying unit is moved is kept constant. | 10-07-2010 |
20110057376 | SHEET PROCESSING APPARATUS AND SHEET PROCESSING METHOD - There is provided a technique which can greatly improve throughput at the time when, after a folding process is performed to a bundle of sheets, the bundle of sheets subjected to the folding process is transported to a downstream side, and can prevent a wrinkle from occurring in the bundle of sheets at the time of the folding process. A sheet transport speed of a pair of rollers is changed from a first transport speed to a second transport speed at a specified timing between when a folding blade finishes a pressing operation of the bundle of sheets and starts a return operation to a waiting position and when a rear edge of the bundle of sheets pressed into a nip of a pair of rollers by the folding blade passes through the nip of the pair of rollers. | 03-10-2011 |
20110062645 | SHEET FINISHING APPARATUS AND SHEET FINISHING METHOD - The sheet finishing apparatus according to the embodiment includes a main body configured to fold a bundle of sheets to form a booklet, a base plate extending obliquely downward from a side wall of the main body to allow loading of a plurality of the booklets discharged in sequence from a discharging port provided in the side wall, a discharging roller pair configured to push the booklet out from the discharging port to discharge the booklet on the base plate, and a projecting member configured to project from the side wall substantially horizontally and support the lower portion of the booklet between the discharging port and the base plate when the discharging roller pair pushes the booklet out. | 03-17-2011 |
20110101593 | Sheet feeding apparatus, and sheet folding apparatus and image formation system provided with the sheet feeding apparatus - The invention enables skew of a sheet to be reliably corrected with a simplified structure in feeding the sheet to a processing position of sheet folding or the like using a roller pair. Provided are a transport roller pair ( | 05-05-2011 |
20110254214 | SEPARATOR BELT FINGER COUNT APPARATUS AND METHOD - The invention provides a method and apparatus for separating a stack of folded sheets by inserting a first, second, third and fourth count fingers into four successive openings in the stack, and separating the stack between the second and third count fingers. Where separation is carried out after a desired number of folded sheets have passed the third count finger, a completed pack having the desired number of sheets may be formed downstream from the third count finger. The count fingers may be operatively mounted in count finger cassettes. | 10-20-2011 |
20120043713 | Sheet Processing Apparatus and Image Forming System - A finisher according to an aspect of the invention includes an intermediate tray that collects sheets to form a sheet bundle, a sheet gripping member that grips one end of the sheet bundle in a conveying direction and a positioning member that grips the other end of the sheet bundle in a conveying direction, a moving portion that moves the sheet gripping member and the positioning member to come close each other, a pair of folding rollers that folds the sheet bundle while conveying the sheet bundle, a projecting member that projects a part between the one end and the other end of the gripped sheet bundle toward the pair of folding rollers, a controller that controls the moving portion, such that the sheet gripping member and the positioning member come close each other in synchronization with an operation of projecting the projecting member toward the sheet bundle S. | 02-23-2012 |
20120086161 | CREASING APPARATUS AND IMAGE FORMING SYSTEM - A creasing apparatus that performs a creasing process on a sheet, the creasing apparatus including a first conveying path on which a creasing unit is located, the creasing unit performing a creasing process on a sheet conveyed therein; a second conveying path that conveys a sheet conveyed therein to a downstream side without any process being performed on the sheet; and a control unit that, while the first conveying path conveys a sheet so that the creasing unit performs the creasing process on the sheet, causes a subsequent sheet to be conveyed to the downstream side from the second conveying path. | 04-12-2012 |
20120153555 | SHEET PROCESSING APPARATUS AND METHOD, AS WELL AS CONTROLLING APPARATUS - A sheet processing apparatus which is capable of completing a bound document containing appropriately Z-folded sheets when performing folding together with edge cutting and binding. The sheet processing apparatus controls a Z-folding process, a cutting process, and a binding process for a sheet. A first folding position from a free end of the sheet coincides with a position corresponding to half a width of the sheet excluding a cut width of the sheet a binding margin, when the Z-folding process, the cutting process, and the binding process are executed. | 06-21-2012 |
20120169003 | SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS - A sheet processing apparatus includes a folding roller pair, a sheet pushing member, a detection unit, and a control unit. The folding roller pair folds a sheet or a sheet bundle by a nip portion and conveys a folded sheet or a folded sheet bundle. The sheet pushing member performs a pushing operation in which a tip of the sheet pushing member pushes the sheet or the sheet bundle into the nip portion of the folding roller pair. The detection unit detects whether the tip of the sheet pushing member reaches a predetermined position in a moving direction of the sheet pushing member. The control unit controls driving of the sheet pushing member according to a result of detection by the detection unit such that the sheet pushing member repeats the pushing operation until the detection unit detects that the tip of the sheet pushing member reaches the predetermined position. | 07-05-2012 |
20120261872 | SHEET STACKING DEVICE AND SHEET FOLDING DEVICE - According to the present invention, a stacking face ( | 10-18-2012 |
20120261873 | SHEET PROCESSING APPARATUS THAT CARRIES OUT POST-PROCESSING ON FOLD OF SHEET BUNDLE - A sheet processing apparatus which is capable of enhancing productivity in flattening a fold top of a sheet bundle. The sheet processing apparatus has a conveying unit that conveys a folded sheet bundle to a processing position, and a holding unit that holds the sheet bundle conveyed by the conveying unit. When the folded sheet bundle has been conveyed by a predetermined distance after a leading end of the sheet bundle has been detected and before the sheet bundle reaches a processing position, the holding unit starts holding the sheet bundle, and then the conveying units stops conveyance of the sheet bundle. | 10-18-2012 |
20130087965 | SHEET POST-PROCESSING DEVICE FOLDING SHEET OUTPUT FROM IMAGE FORMING DEVICE, AND SHEET FOLDING METHOD - Provided is a sheet post-processing device folding a sheet output from an image forming device at a predetermined target fold position, comprising: a first rotating body pair conveying the sheet; a second rotating body pair disposed along a sheet conveyance path and further downstream than the first rotating body pair in a sheet conveyance direction; a push unit moving a push member in a direction transverse to the sheet conveyance path so that, while the sheet is being conveyed, the push member comes into contact with the sheet and pushes the sheet into a nip of the second rotating body pair, the push member being disposed opposite the second rotating body pair across the sheet conveyance path; and a control unit controlling the push unit so that the pushing operation of the push member is performed at a timing preset according to the target fold position. | 04-11-2013 |
20130113152 | Adaptive Registration/Binding Apparatus For Preparing Collations - An apparatus for preparing a collation of sheets for folding operations. The system includes a registration device including multiple registration stations and a conveyance device for transporting the collation to one of the registration stations. Each registration station is adapted to register the edges of the collation based upon a desired edge geometry. A processor determines the fold configuration of the collation and determines the edge geometry thereof based upon the fold configuration of the collation. The processor selects one of the registration stations based upon the fold configuration and then controls the conveyance device to transport the collation to the selected registration station. The registration station selected may also be based upon the thickness of the collation and a desired location for binding the collation. | 05-09-2013 |
20130113153 | SYSTEM AND METHOD FOR PREPARING COLLATIONS - A system for preparing a collation of sheets for a subsequent folding operation wherein edges of the collation are aligned to eliminate the need for additional trimming operations. The system comprises: a cutting device operative to cut each sheet of the collation based upon a length dimension of each of the inner and outer sheets, an accumulating device operative to stack the sheets to form the collation, a registration device operative to register at least one edge of the collation, a conveyance device for transporting the sheet material along a feed path to the cutting, accumulating and registration devices, and a processor operatively coupled to, and controlling, the cutting, accumulating, registration and conveyance devices. | 05-09-2013 |
20130127106 | POST-PROCESSING APPARATUS AND POST-PROCESSING METHOD - A post-processing apparatus includes a folding section configured to nip a sheet using a plurality of rollers to form a fold line for saddle stitching and a control section to control the nipping amount in the folding section. When carrying out square back processing to flatten the spine folded portion of a sheet bundle where a fold line for saddle stitching is formed, the post-processing apparatus allows the nipping amount in the folding section to be smaller than that in the case where the square back processing is not carried out. | 05-23-2013 |
20130147105 | SHEET HANDLING APPARATUS AND IMAGE FORMING SYSTEM - A sheet handling apparatus includes a sheet folding unit configured to perform folding on a sheet; and a sheet stacking unit configured to stack the folded sheet on a sheet stacking surface having an inclined surface and a nearly horizontal surface in order from upstream to downstream in a sheet conveying direction. A downstream end of the inclined surface is higher than an upstream end of the inclined surface with respect to a horizontal plane. The sheet handling apparatus also includes a discharging unit configured to discharge the folded sheet to the sheet stacking unit; a sheet conveying unit configured to convey the discharged sheet from the inclined surface to the nearly horizontal surface; and a conveying force applying unit configured to apply a conveying force to the sheet in contact with an upper surface of the sheet from above the inclined surface. | 06-13-2013 |
20130307206 | POST-PROCESSING APPARATUS, IMAGE FORMING APPARATUS, AND FOLDING APPARATUS - A post-processing apparatus includes a transport path, a loading part, a first folding member, a second folding member, a drive mechanism, a position detecting unit, a time information output part, a time monitoring part, and a rotational driving control part. The time monitoring part measures a moving time of the blade member from a first position between an initial position and a protrusion position to a second position, and determines whether the moving time has elapsed by a predetermined time. When the time monitoring part determines that the moving time has elapsed by the predetermined time, the rotational driving control part controls a rotary drive part so as to switch a rotational driving direction into a backward rotational direction. | 11-21-2013 |
20130307207 | INSERTER AND SINGLE-COPY GRIPPER WITH DEEP REACH - An inserter including a pocket for holding an unevenly folded printed product having a fold edge, a first section on a first side of the fold edge and a second section on a second side of the fold edge that is at least 20 percent shorter than the first section is provided. The pocket includes a lower support surface for supporting the fold edge, a first wall for supporting the first section and a second wall for supporting the second section. The first and second walls each have at least one cutout defined therein. The at least one cutout of the second wall includes a lower cutout edge that is less than a length of the second section away from the lower support surface. The inserter also includes a gripper for securely gripping unevenly folded printed product and removing the unevenly folded printed product from the pocket by passing through the at least one cutouts in the first and second walls. A method of inserting an insert into an unevenly folded printed product is also provided. | 11-21-2013 |
270047000 | Cylinder collecting | 2 |
20090212480 | Transfer device for folder unit - In a transfer device R, which feeds a first web group W | 08-27-2009 |
20120038096 | Method and Device for Combining Sheet-like Products with Further Sheet-like Products, and Apparatus for Conveying Sheet-like Products, in Particular Printed Products - The apparatus for conveying printed products has a feeding device which conveys the printed products to a discharge end. The gripper circulatory path of the gripper conveyor moves with the receiving section past the latter. During movement through the receiving section, the grippers use their gripper mouth to grasp the printed products and convey said products further. If the receiving section is located in the central position with respect to the feeding device, the printed products are grasped centrally and conveyed further. If, by contrast, the receiving section is displaced by means of the adjustment device into a side position, the printed products are grasped eccentrically and guided further. | 02-16-2012 |