Patent application number | Description | Published |
20080214377 | SHEET PROCESSING APPARATUS AND IMAGE FORMING DEVICE HAVING THE SAME - There is provided a sheet processing apparatus, when a bundle of sheets subjected to the stapling process is folded into two to make a book, for pressing the fold, thereby improving the look. | 09-04-2008 |
20090008856 | SHEET PROCESSOR AND IMAGE-FORMING APPARATUS - A sheet processor includes a holding unit for holding a folded batch of sheets, a pressing member for pressing against a folded portion of the batch of sheets, a nipping member for nipping portions of the batch adjacent to the folded portion so as to nip the batch of sheets from opposite directions, and a casing for supporting the pressing member and the nipping member. | 01-08-2009 |
20090088308 | SHEET PROCESSING APPARATUS, SHEET PROCESSING METHOD AND IMAGE FORMING APPARATUS - The present invention provides a sheet processing apparatus and an image forming apparatus, in which sheet information can be easily and surely be concealed without damaging a sheet S. After a wrapping portion | 04-02-2009 |
20090121420 | SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS - A saddle stitching portion which can bind the center portion in the conveying direction of a sheet bundle by a stapler and fold it by a pair of folding rollers and a pushout member, includes an end stopper which receives the downstream end of a sheet conveyed by a first conveying roller in a first receiving position on the downstream of the first conveying roller by a length not buckling the sheet on the downstream of the stapler or the downstream end of the sheet conveyed by a second conveying roller in a second receiving position on the downstream of the second conveying roller by the length on the further downstream, wherein the receiving position of the downstream end stopper is selected according to the length in the conveying direction of the sheet. | 05-14-2009 |
20090127764 | SHEET STACKING APPARATUS, SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS - Typical structures of a sheet processing apparatus and an image forming apparatus according to the present invention includes:
| 05-21-2009 |
20090127772 | SHEET STACKING APPARATUS, SHEET PROCESSING APPARATUS, AND IMAGE FORMING APPARATUS - 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. | 05-21-2009 |
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 |
20090218760 | SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS - To prevent deviation in a processing position of a sheet bundle caused by buckling of the sheet bundle and handle a number of diversified kinds of sheets without increasing the size of apparatuses, a sheet processing apparatus and a image forming apparatus includes a pair of saddle entrance rollers which discharges a sheet; a stack tray which stacks the sheet discharged by the roller pair; a gripping member which grips the rear end portion of the sheet in the discharging direction which is stacked by the tray; a gripper which grips the front end portion of the sheet in the discharging direction which is stacked by the tray; and a stapler, etc., which processes a sheet bundle at a processing position, wherein the gripping member and the gripper grip the sheet bundle stacked by the tray and move the sheet bundle to the processing position in cooperation with each other. | 09-03-2009 |
20090230619 | SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS - 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. | 09-17-2009 |
20090267282 | SHEET PROCESS APPARATUS - 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. | 10-29-2009 |
20090283957 | SHEET PROCESSING APPARATUS - 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. | 11-19-2009 |
20100007072 | SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS - The present invention provides a sheet processing apparatus including: a conveying portion which conveys a sheet; a stacking portion which stacks the sheet conveyed by the conveying portion; a first processing unit which performs a process to the sheet at a first process position on the stacking portion; a second processing unit which performs a process to the sheet at a second process position on the stacking portion, the second process position being at the downstream side in the conveying direction of the first process position; and a controlling portion which performs positioning of the sheet at the first process position when the first processing unit performs the process to the sheet and positioning of the sheet at the second process position when the second processing unit performs the process to the sheet which is passed through the first process position without being positioned. | 01-14-2010 |
20110037215 | SHEET PROCESSING APPARATUS AND IMAGE FORMING DEVICE HAVING THE SAME - A sheet processing apparatus staples a bundle of sheets, folds the sheets into two to make a book, and presses the folded sheets. | 02-17-2011 |
20110074102 | SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS - To prevent deviation in a processing position of a sheet bundle caused by buckling of the sheet bundle and handle a number of diversified kinds of sheets without increasing the size of apparatuses, a sheet processing apparatus and a image forming apparatus includes a pair of saddle entrance rollers which discharges a sheet; a stack tray which stacks the sheet discharged by the roller pair; a gripping member which grips the rear end portion of the sheet in the discharging direction which is stacked by the tray; a gripper which grips the front end portion of the sheet in the discharging direction which is stacked by the tray; and a stapler, etc., which processes a sheet bundle at a processing position, wherein the gripping member and the gripper grip the sheet bundle stacked by the tray and move the sheet bundle to the processing position in cooperation with each other. | 03-31-2011 |
20110074103 | SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS - 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. | 03-31-2011 |
20110140337 | SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS - A saddle stitching portion which can bind the center portion in the conveying direction of a sheet bundle by a stapler and fold it by a pair of folding rollers and a pushout member, includes an end stopper which receives the downstream end of a sheet conveyed by a first conveying roller in a first receiving position on the downstream of the first conveying roller by a length not buckling the sheet on the downstream of the stapler or the downstream end of the sheet conveyed by a second conveying roller in a second receiving position on the downstream of the second conveying roller by the length on the further downstream, wherein the receiving position of the downstream end stopper is selected according to the length in the conveying direction of the sheet. | 06-16-2011 |
20120275839 | SHEET STORAGE DEVICE AND IMAGE FORMING APPARATUS - A sheet storage device and an image forming apparatus capable of increasing extractability and visibility are provided. A plurality of trays | 11-01-2012 |
20120288310 | SHEET STORAGE APPARATUS AND IMAGE FORMING APPARATUS - This invention regards to a sheet storage apparatus. A forward and reversely rotatable conveying roller | 11-15-2012 |
20120313313 | SHEET STORAGE APPARATUS AND IMAGE FORMING APPARATUS - A sheet storage apparatus having a sheet conveying portion and a sheet storage portion to receive the sheet as conveyed upward from below by the sheet conveying portion and to store the sheet in a vertical direction. The sheet storage portion includes a guide portion, first and second holding members. The first holding member forms a first nipping portion between the first holding member and the guide surface. The first holding member permits the sheet to be conveyed upward to pass through the first nipping portion, and holds the sheet by restricting the sheet from moving downward at the first nipping portion. The second holding member forms a second nipping portion between the second holding member and the guide surface. The second holding member permits the sheet to be conveyed upward to pass through the second nipping portion, and holds the sheet at the second nipping portion. | 12-13-2012 |
20120319346 | SHEET STORAGE DEVICE AND IMAGE FORMING APPARATUS - This invention provides a sheet storage device, which can enhance sheet taking-out property in taking out of a sheet from a sorting device and sheet visibility. A sheet storage device | 12-20-2012 |
20120326379 | SHEET STACKING APPARATUS AND IMAGE FORMING APPARATUS - A sheet stacking apparatus includes an endless belt member onto which sheets are stacked and which moves rotationally to convey the sheets; a plurality of holding members that is provided on the belt member and that holds the sheets down to a sheet stacking surface of the belt member to nip the sheets; and sheet detecting portions which detect presence or absence of sheets between the holding members and the sheet stacking surface of the belt member, the sheet detecting portions each include a light emitting portion that emits light and a light receiving portion that receives the light, and the light emitting portions and the light receiving portions are fixedly provided below the sheet stacking surface of the belt member so that the light emitting portions and the light receiving portions detect presence or absence of a sheet at times when facing the holding members. | 12-27-2012 |