| Patent Number |
Title Of Patent |
Date Issued |
| 7552917 |
Sheet processing apparatus and image forming apparatus including the sheet processing apparatus |
June 30, 2009 |
| A sheet processing apparatus includes: a buffer unit which stores plural supplied sheets with upstream edges in a conveying direction thereof aligned; a processing tray on which sheets discharged from the buffer unit are stacked; and an oscillation roller pair and a return roller whi |
| 7377511 |
Sheet stacking apparatus |
May 27, 2008 |
| A sheet stacking apparatus including a first tray on which sheets discharged form an outlet are stacked, the first tray being movable between a stacking position at which sheets discharged from an outlet are stacked and a first retracted position above the staking position; a second |
| 7354036 |
Sheet processing apparatus and image forming apparatus including the sheet processing apparatus |
April 8, 2008 |
| A sheet processing apparatus includes: a buffer unit which stores plural supplied sheets with upstream edges in a conveying direction thereof aligned; a processing tray on which sheets discharged from the buffer unit are stacked; and an oscillation roller pair and a return roller whi |
| 7264236 |
Sheet processing apparatus and image forming apparatus having such sheet processing apparatus |
September 4, 2007 |
| A pressing member is provided on a shutter member provided in a main body of an apparatus and adapted to open and close a folded sheet discharging port upon upward and downward shifting movement of sheet stacking means in such a manner that, after folding processing is performed by foldi |
| 7192020 |
Sheet processing apparatus for storing supplied sheets while preceding sheet are processed |
March 20, 2007 |
| A sheet processing apparatus includes: a buffer unit which stores plural supplied sheets with upstream edges in a conveying direction thereof aligned; a processing tray on which sheets discharged from the buffer unit are stacked; and an oscillation roller pair and a return roller whi |
| 7185883 |
Sheet treating apparatus and image forming apparatus |
March 6, 2007 |
| A sheet treating apparatus including, a conveying device for conveying sheets, a sheet stack tray for stacking the sheets conveyed by the conveying device, a sensor detecting the sheets conveyed to the sheet stack tray, a pressure-contact conveying device for conveying the sheets on |
| 6997449 |
Sheet processing apparatus and image forming apparatus having such sheet processing apparatus |
February 14, 2006 |
| A pressing member is provided on a shutter member provided in a main body of an apparatus and adapted to open and close a folded sheet discharging port upon upward and downward shifting movement of sheet stacking means in such a manner that, after folding processing is performed by foldi |
