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| Number | Title | Issue Date |
| 7578629 | Sheet handling device including suction chamber with flow obstructing material A sheet handling device containing a sheet support element having a surface provided with suction holes which are connected to at least one suction chamber, the suction chamber being connected to a suction device adapted to create a subatmospheric pressure in the su... | 08/25/2009 |
| 7410167 | Recording medium feeding method and image recording apparatus A method for feeding a recording medium includes the steps of: feeding the recording medium along a sheet-feeding path by a unit feeding amount, detecting an entrance of a rear end of the recording medium into a jumping alarm area, dividing the unit feeding amount i... | 08/12/2008 |
| 7309179 | Media advancing device and method of displacing a medium A media advancing device for a hardcopy apparatus comprising: a platen having at least one slot and a top surface, whereby a medium advances on the top surface; and a plurality of openings connecting the top surface to at least one zone of negative pressure; and a r... | 12/18/2007 |
| 7066670 | Printing method and apparatus A printer (24) for printing upon a continuous web of print receivable media (18) is provided. The printer includes a print head (28) having a media drive assembly side and a media drive assembly for moving the media across the print head. The me... | 06/27/2006 |
| 7000541 | System and method for interleaf sheet and/or plate sheet removal and/or transport for use with a printing apparatus The present invention relates generally to systems and methods that remove an interleaf sheet interposed between plate sheets from a material stack used, for example, in a computer-to-plate imaging system and/or environment. Embodiments of the system and method can ... | 02/21/2006 |
| 6942406 | Inner paper guide for media shape control in a printer A media handling system for handling sheets of media. The system includes a pick roller having a circumferential media-contacting surface and arranged for rotation about a roller axis to contact and pick a sheet from an input source. A drive roller rotates about a d... | 09/13/2005 |
| 6927841 | Holddown device for hardcopy apparatus A media holddown device a plastics vacuum guide attached to a sheet metal vacuum beam, the guide includes vacuum chambers in communication with the beam through openings to control the negative pressures applied to media of varying widths by a fan. Dividing walls ar... | 08/09/2005 |
| 6908239 | Arcuate print path to avoid curl in thermal printing The invention relates to a method of avoiding core set curl in thermal prints comprising providing thermal print material wound image receiving side toward the core, passing said print material from said core around a turning roll in a direction opposite to the core... | 06/21/2005 |
| 6869176 | Recording apparatus, and recording medium floating prevention member A recording apparatus is equipped with a recording head for performing recording on a conveyed recording medium by discharging liquid from a discharge opening array, and comprises a conveyor for conveying the recording medium, and a recording medium floating prevent... | 03/22/2005 |
| 6848765 | End-of-page advance-distance decrease, in liquid-ink printers Two printing-medium guide systems restrain the medium. One is in an area upstream (along the direction of medium advance) from the pen, and extending laterally across the width of the medium except in one or more regions that are laterally near the engagement of a p... | 02/01/2005 |
| 6814517 | Single pass multi-color printer with improved cutting apparatus and method A printing apparatus and method that provides for severing of prints from receiver media being printed. The receiver media is moved in a process direction past plural printing stations and the printing stations are recording images upon the receiver sheet. While pri... | 11/09/2004 |
| 6808259 | Controlling media curl in print-zone In an inkjet printing apparatus an inkjet printhead has a plurality of inkjet nozzles which eject ink onto media located within a print-zone. A drive shaft is located upstream of the printhead and is incrementally rotated to advance the media. The drive shaft has a ... | 10/26/2004 |
| 6789889 | Inkjet printing media handling system with advancing guide shim Accurate advance of a media sheet is achieved by carrying the media sheet on a belt loop. An upstream pinch roller holds the media sheet to the belt upstream of the print zone. A downstream pinch roller holds the media sheet to the belt downstream of the print zone.... | 09/14/2004 |
| 6752553 | Recording apparatus A recording apparatus has a feeding unit for storing and feeding a recording medium, a recording unit for recording information on the recording medium having been fed from the feeding unit, and a discharging unit for discharging outside the recording medium having ... | 06/22/2004 |
| 6742948 | Apparatus for flattening a substrate and method thereof A method and apparatus for flattening a substrate against a surface of a platform is provided. The method comprising positioning guides within a platform so that opposite edges of a substrate placed on the platform do not come in contact with at least one print head... | 06/01/2004 |
| 6736561 | Apparatus and method for the prevention of trailing edge deletion in image forming systems The present invention provides a capability to form an image along a trailing edge of the paper by the use of a trailing edge deletion prevention apparatus capable of manipulating the paper to allow components capable of forming the image to travel in proximity to t... | 05/18/2004 |
| 6726384 | Paper controlled clutch for a paper exit system in a printer A print medium exit system in a printer includes a kicker device ejecting a sheet of print medium out of the printer. A clutch mechanism prevents actuation of the kicker device when the clutch mechanism is engaged by the sheet of print medium. ... | 04/27/2004 |
| 6705786 | Duplex printing of print sheets Systems and methods for duplex printing of print sheets are described. In one aspect, a duplex module is configured so that print sheets may be controllably and reliably re-introduced into a print module in an orientation that is suitable for marking the second side... | 03/16/2004 |
| 6644801 | Ink jet recording apparatus An ink jet recording apparatus includes a transporting roller for transporting a recording sheet to a recording section of the apparatus; a pre-biasing roller disposed upstream of the transporting roller relative to the direction of transportation of the ... | 11/11/2003 |
| 6582140 | Recording media discharging device and ink-jet printer with the discharging device A media discharging device for an ink-jet printer includes a rubber roller and star roller. A pair of paper guides are arranged on both sides, with respect to its rotary shaft of, the star roller, opposing each other and close to the star roller. Each pap... | 06/24/2003 |
| 6457888 | Sheet conveying apparatus A sheet discharging apparatus and an image forming apparatus having the sheet discharging apparatus in which a sheet can be discharged without causing any spur trace on the surface of the sheet. Therefore, a sheet P having an image formed thereon is disch... | 10/01/2002 |
| 6367999 | Hardcopy apparatus and method for providing uniform pressure to hold down media A hardcopy apparatus includes a media holddown unit, having a platen, and a vacuum source for generating negative pressure on a medium positioned on said platen to keep it flat on said platen. The unit includes at least two vacuum chambers, both in air co... | 04/09/2002 |
| 6343787 | Sheeting transport apparatus having anti-positional offset mechanism There is provided a sheeting transport apparatus comprising two roller pairs as a component of an auxiliary scan transport mechanism in optical beam scanners and an anti-positional offset mechanism that is provided between the two roller pairs to prevent ... | 02/05/2002 |
| 6318919 | Pressure device for printers In a pressure device for a printer comprising a support element which can be fixed to a frame of the printer and a flexible plate fixed to the support element in order to press a printing substrate against a platen in the vicinity of a printing line, the ... | 11/20/2001 |
| 6299367 | Coil spring sheet-pressing member for sheet feeding mechanism A sheet feeding mechanism includes a sheet feed roller for transporting a sheet along a paper transport path, and a sheet-pressing member disposed so as to press the sheet feed roller. The sheet-pressing member integrally includes a pressing portion which... | 10/09/2001 |
| 6126347 | Printer First and second sheet guides (21, 31) are arranged individually in front and at the back of a print head (6) in a sheet feeding direction. Each of these sheet guides (21, 31) has an arcuate end edge opposite to the print head (6), the width-direction cen... | 10/03/2000 |
| 6109806 | Mechanism for preventing recording sheet from contacting print head in printing device A hot melt ink jet printing device 1 includes guides 27 disposed on a printing surface 11 of a platen 12 at both sides of a print area and guides 28 disposed downstream side of the platen 12 in a sheet feed direction F. Heaters 21, 25 are mounted on an un... | 08/29/2000 |
| 6089773 | Print media feed system for an ink jet printer A print media feed system feeds a print medium in an advance direction through a print zone in an ink jet printer. A printhead includes a plurality of ink emitting nozzles and defines the print zone. A media control surface is positioned in association wi... | 07/18/2000 |
| 6009302 | Automatic document feeder having an input tray paper stop and pick mechanism An automatic document feeder mounted removably to a computer input device having a medium receiving and supporting surface includes a plurality of interconnectable modular assemblies for defining a medium path that extends from a medium input tray to a me... | 12/28/1999 |
| 5954440 | Thermal printer with sheet pressure means Thermal printer with a thermal head (16) for image-wise heating a heat-sensitive sheet (38) according to an elongate printing zone, transverse with respect to the sheet, and a rotatable print drum (15) for conveying such sheet past such thermal head while... | 09/21/1999 |
| 5951181 | Spaced-apart deflector structure for allowing manual insertion control of both sheet and rollfeed media A plurality of spaced-apart deflector guides are positioned over the input platen of a printer. They are suspended from an elongated media shield which extends laterally across an input media path such that a leading edge of media can easily fit under bot... | 09/14/1999 |
| 5873665 | Printer having a clamping mechanism on the platen roller A printer for printing characters and images on recording paper comprising: a paper cassette for storing the recording paper; a platen roller around which the recorrding paper is wound at the time of the transfer of images for printing; a clamping mechani... | 02/23/1999 |
| 5846005 | Label printer with cutter attachment A label printer and cutter combination will print a number of labels on a large sheet that is fed from a sheet tray coupled to the printer. The labels are oriented orthogonally along X-Y axes on the sheet, and once all the labels on the sheet have been pr... | 12/08/1998 |
| 5844584 | Print head stop mechanism for a postage meter A postage meter for printing an indicia image on a print surface of a mailpiece includes a print head having a plurality of nozzles through which ink is ejected to print the indicia image on the print surface during relative movement between the print hea... | 12/01/1998 |
| 5808647 | Sheet conveying apparatus having a releasable press member for applying pressure to a sheet The present invention provides a sheet conveying apparatus comprising a sheet supply device which supplies a sheet, a guide member which guides the sheet delivered by the sheet supplying device, a hold down member which presses the sheet against the guide... | 09/15/1998 |
| 5803633 | Printer for feeding printing sheets of different thicknesses A printer for feeding printing sheets of different thicknesses including a sheet feeding roller 30 adapted to convey a printing sheet P. A pinch roller having a shaft 40a is provided and adapted to press a printing sheet against sheet feeding roller. A su... | 09/08/1998 |
| 5800076 | Printer having guide plate extending to printhead A sheet is fed to a printing zone of a printhead by a feed roller and a pressure roller. An elastic sheet guide plate is joined to a lever supporting the pressure roller. The guide plate comes into contact with the feed roller upstream from a nip defined ... | 09/01/1998 |
| 5673074 | Recording apparatus having urging member to prevent floating of recording sheet A recording apparatus comprising a platen for supporting a sheet at a recording area, feeding means for feeding the sheet to the platen, recording means for recording an image on the sheet at the recording area, and an urging member disposed at a downstre... | 09/30/1997 |
| 5667321 | Paper guide apparatus for use in an image forming apparatus Printed paper is peeled off from an ink sheet at a rear sheet guide roller to be initially fed along a tangential line on a platen roller. When the leading edge of the paper reaches a projecting portion on one of two guide plates, the paper is forcibly be... | 09/16/1997 |
| 5646667 | Combined central and lateral hold-down plates, and end-of-page advance-distance decrease, in liquid-ink printers Two printing-medium guide systems restrain the medium. One is in an area upstream (along the direction of medium advance) from the pen, and extending laterally across the width of the medium except in one or more regions laterally near the engagement of a... | 07/08/1997 |
