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| Number | Title | Issue Date |
| 8167298 | Sheet feeding device and image forming apparatus provided therewith A sheet feeding device includes: a sheet feeding tray adapted to stack a sheet bundle including a plurality of sheets thereon; a blowing section which blows air against a leading edge of the sheet bundle in a sheet conveyance direction from a front side of the sheet... | 05/01/2012 |
| 8167297 | Sheet separating device and method for separating stacked sheets A sheet separating device includes: an air blowing unit that is configured to blow air toward a side face of stacked sheets being stacked with a plurality of sheets to separate the sheets by forming an air layer between the sheets; and a sheet pressing unit that is ... | 05/01/2012 |
| 8152157 | Sheet processing apparatus, sheet take-out apparatus, and sheet take-out method thereof A sheet processing apparatus and a sheet take-out apparatus that prevents a sheet conveyed by a take-out portion from hanging-down and falling, when the take-out portion is stopped due to an emergency. If a take-out emergency process state occurs during the take-out... | 04/10/2012 |
| 8141865 | Sheet feeding device and image forming apparatus with different separating and suctioning operational timings A sheet feeding device includes an air separating unit includes a floating air blowing unit and a separating air blowing unit that blow air to leading edges of a bundle of sheets in a paper feeding direction to float and separate upper sheets, and a side air blowing... | 03/27/2012 |
| 8132806 | Sheet feeding device and image forming apparatus A sheet feeding device includes: a lift-blowing unit which blows air to a plurality of sheets stacked on a tray to lift an uppermost sheet from the sheets; a sheet absorbing unit which absorbs the sheet lifted by the lift-blowing unit by a negative pressure; an air ... | 03/13/2012 |
| 8079585 | Sheet feeding device and image forming apparatus An upper limit detection sensor detects that a top face position of a sheet stack on a tray reaches an upper limit position which enables feeding of sheets one by one by a sheet feeding portion and a lower limit detection sensor detects that the top face position of... | 12/20/2011 |
| 8042798 | Sheet supply apparatus, sheet supply unit and image forming apparatus with blasting separation air outlet A sheet supply apparatus is provided which controls vertical movement of a sheet support tray so that a position of an upper surface of stacked sheets on the support tray is adjusted to a height located below a separation air outlet, wherein adsorption is possible a... | 10/25/2011 |
| 8002265 | Sheet supply apparatus, sheet supply unit and image forming apparatus A sheet supply apparatus including: a suction conveyance mechanism which suctions a topmost sheet of a plurality of sheets stacked and conveys the suctioned sheet to a sheet conveyance path; an outlet elevation mechanism which moves an air outlet to and from a first... | 08/23/2011 |
| 7913993 | Sheet feeding device, sheet feeding unit and image forming apparatus connected with the sheet feeding unit with a controlled floating air blowing mechanism A sheet feeding device may include a sucking and conveying mechanism having a suction surface, which sucks sheets stacked on a sheet stacking table, from an upper surface of the sheets, sucks an uppermost sheet to be sucked on the suction surface, and conveys the up... | 03/29/2011 |
| 7874557 | Sheet processing apparatus, sheet take-out apparatus, and sheet take-out method thereof A sheet processing apparatus and a sheet take-out apparatus that prevents a sheet conveyed by a take-out portion from hanging-down and falling, when the take-out portion is stopped due to an emergency. If a take-out emergency process state occurs during the take-out... | 01/25/2011 |
| 7841591 | Sheet-supplying device A sheet-supplying device has a sheet-accommodating tray, a raising/lowering unit, a first position sensor, a second position sensor, a controlling unit. The raising/lowering unit raises and lowers the sheet-accommodating tray substantially. The first position sensor... | 11/30/2010 |
| 7762544 | Paper sheet feeding device A paper sheet feeding device for sequentially feeding, to a conveyance path, mail items simultaneously received includes a suction mechanism provided adjacent to a pickup position. The suction mechanism includes a chamber having an opening opposed to the pickup posi... | 07/27/2010 |
| 7744081 | Image forming apparatus A sheet surface detecting mechanism, which detects the upper surface of sheets stacked on a tray, including: a sensor disposed in a position spaced apart from a conveying portion; a pivotal sensor flag turning the sensor ON/OFF; and a sheet surface detecting member ... | 06/29/2010 |
| 7677553 | Sheet feeding apparatus and image forming apparatus An air blowing portion blows air toward an edge surface on a downstream side in a sheet feeding direction of a sheet. A presser portion presses an upper surface of the sheet at both side edge portions in a width direction of the sheet, thereby allowing, throughout a... | 03/16/2010 |
| 7635126 | Method and device for gathering sheets with continuous air cushion support During the gathering process, an individual signature is respectively withdrawn from several collections of identical signatures, wherein the various decollated signatures are delivered to a collecting conveyor in order to form stacks. In this case, the sheets need ... | 12/22/2009 |
| 7597314 | Air-based picker assembly for a printer This invention relates to a picker assembly for a printer having rollers to feed a sheet of porous print media past a printhead. The picker assembly includes a pivot rod linked to a pick-up bar by means of swing arms, a motor connected to the pivot rod operatively r... | 10/06/2009 |
| 7575231 | Sheet feeding apparatus, sheet feeding method and control program A sheet feeding apparatus provided with a fan for blowing air against sheets stacked on a sheet tray, a position detecting sensor for detecting the position of the sheets floated up by the fan, and a tray lifting and lowering mechanism for lifting and lowering the s... | 08/18/2009 |
| 7549629 | Image forming apparatus An air heating mechanism for heating the air which is blown from a loosening/separating nozzle toward the top sheet attracted to an attracting and conveying unit is provided. A control unit controls the air heating mechanism based on moisture content information fro... | 06/23/2009 |
| 7540489 | Sheet feeding device and image forming apparatus The position of a sheet accommodated in a sheet storage portion is restricted by a restricting member provided movably on a sheet storage portion. This restricting member has a holding portion which is movable freely and is attached detachably to the sheet storage p... | 06/02/2009 |
| 7490826 | Sheet feed apparatus A sheet feed apparatus including: a sheet storage tray that store a plurality of sheets; an suction belt that suctions an uppermost one of the sheets and conveys the sheet along a sheet conveyance surface; a nozzle including, first ejection openings that are dispose... | 02/17/2009 |
| 7472902 | System and method for improving top sheet acquisition in a printing machine An apparatus that is useful for acquiring and conveying a sheet includes a plenum having an opening for coupling a vacuum source to the plenum, a slide plate having a stop member positioned proximate a drop box opening in the slide plate, and a drop box adapted to s... | 01/06/2009 |
| 7431281 | Method of separating a sheet of print media from a stack of sheets A method of separating a sheet of print media from a stack (28) of sheets, the sheets being porous, includes blowing fluid on to a top surface of a topmost sheet (28.1) of the print media on the stack (28) so that the fluid passes through at lea... | 10/07/2008 |
| 7419153 | Method and apparatus for producing bound books, magazines or brochures A method for producing bound books, magazines or brochures by gathering printed sheets into non-bound book blocks along a conveying section that is supplied by at least one sheet feeder includes separating the lowest printed sheet from a stack of printed sheets by l... | 09/02/2008 |
| 7419152 | Sheet feeding apparatus and image forming apparatus When a top sheet of a sheet stack stacked on a sheet tray capable of moving up and down is fed by sheet feeding device, air is blown to the end face of the sheet stack by air blowing device for improving a separation characteristic. The quantity of blown air for the... | 09/02/2008 |
| 7380781 | Sheet feeding device and image forming apparatus A sheet feeding device which blows air to placed sheets, separates and conveys the sheets includes a sheet containing portion which contains the sheets, an air blowing portion which blows air to the sheets contained in the sheet containing portion, and an air supply... | 06/03/2008 |
| 7367444 | Device and method for optionally drawing in a cutout from a stack of several cutouts, or taking over a cutout from a separating cutting machine A device for optionally or selectively drawing in a cutout from a stack of several cutouts, or taking over a cutout from a separating cutting device, which separates the cutout from a material web, includes a vacuum guide roller in which the cutout coming from the s... | 05/06/2008 |
| 7364150 | Sheet feeding apparatus and image forming apparatus using heating member on sheet tray An air duct is disposed in the vicinity of a heating member generating the heat for heating sheets stacked in a sheet tray, and the air in the air duct is heated by the heat generated by the heating member. The air duct is connected to an air blowing portion blowing... | 04/29/2008 |
| 7328896 | Apparatus for separating a sheet of print media from a stack of sheets An apparatus (32) for separating a sheet of print media from a stack (30) of porous sheets includes a sheet conveyor for conveying a topmost sheet (30.1) of print media which has been separated from the stack (30) to a printing station ( | 02/12/2008 |
| 7262575 | Method and apparatus for precise positioning of an object with linear stepper motors Methods and apparatus for precise positioning of an object using linear actuators based on linear stepper motors operating in microstepping or full step mode, a control algorithm based on compensation table, and a calibration apparatus for obtaining the compensation... | 08/28/2007 |
| 7258336 | Integrated vacuum slide feeder A sheet feeder assembly for acquiring and conveying a sheet comprises a plenum connectable to a vacuum source and having an opening facing the sheet to be conveyed, and a slide plate covering the opening. The slide plate has an acquisition surface facing the sheet t... | 08/21/2007 |
| 7243916 | Apparatus for feeding sheets of media from a stack An apparatus for feeding porous sheets of media from a stack of such sheets includes a support structure for supporting the stack. A gas conduit is mounted on the support structure and has an outlet that is oriented so that, when the stack is positioned on the suppo... | 07/17/2007 |
| 7237771 | Feeder control system and method A document forming apparatus, comprising a substrate feeder for storing and dispensing substrates to a printing engine, a controller for controlling the operation of the document forming apparatus, wherein the controller includes at least one database for storing in... | 07/03/2007 |
| 7222845 | Printer with a picker assembly A printer includes a support structure. A printing assembly is mounted on the support structure. The printing assembly includes a feed mechanism mounted on the support structure for feeding sheets of media along a feed path. At least one printhead is mounted on the ... | 05/29/2007 |
| 7222846 | Sheet take-out apparatus and method of taking out sheets A sheet take-out apparatus is disclosed that includes a sheet-feeding member on which sheets are placed. The apparatus includes an air spout unit to spout out air towards a right or left side of a front portion of the sheets with respect to a take-out direction of t... | 05/29/2007 |
| 7204483 | Sheet media input tray In one embodiment, a sheet media input tray comprises a base and opposing sidewalls. The base includes a first feature configured to support sheet media lying flat in the tray and a second feature intersecting the first feature across the width of the tray. The inte... | 04/17/2007 |
| 7198264 | Sheet supplying device In a sheet supplying device for feeding a sheet from a sheet stack configured by stacking plural sets of sheets collated by page order, each of which corresponds to one volume, for each set of sheets, in a state where the sheets are superimposed on one another so as... | 04/03/2007 |
| 7182007 | Method for dynamically aligning substrates bearing printed reference marks and codes for automated cutting or scoring, and substrates so cut or scored A substrate to be cut and/or scored is pre-printed with graphics, at least first and second registration marks, and optional encoded-to-print instructions, bar-encoded data, as well as ordinary graphics. The registration marks are sensed as the substrate is automati... | 02/27/2007 |
| 7172191 | Method of feeding porous sheets of media from media stack A method of feeding porous sheets from a stack is provided in which one or more air outlet nozzles and one or more air inlet nozzles are positioned in a pick-up position proximate a first sheet of the stack, a flow of air from the outlet nozzle(s) sufficient to pene... | 02/06/2007 |
| 7168280 | Roll-changing tool Roll-changing tool having a dismantling device which can be supported on a rolling machine by a hook and which, on a carrier, has a lifting device mounting and a roll holder for a roll journal of a roll, the carrier having a trolley which can be moved in its longitu... | 01/30/2007 |
| 7153378 | Product labelling A product labeling apparatus has a plurality of labelers, an imager for imaging products; and a processor responsive to an output of the imager and operatively connected to a control input of each of the labelers. The processor processes an image received from the i... | 12/26/2006 |
