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| Number | Title | Issue Date |
| 7955013 | Media engaging members Medium engaging members are rotatable about an axle. In one embodiment, the members have filed hubs asymmetrically extending towards one another. In another embodiment, the members have centers of mass such that the members lean into abutment with one another. ... | 06/07/2011 |
| 7410315 | Paper discharge mechanism for a printer, and a printer A printer having a paper discharge mechanism which reliably prevents recording paper after completion of the printing operation from being pulled back inside the printer. The printer includes a paper feed roller 62 located on the upstream side of the printing... | 08/12/2008 |
| 7287922 | Exit roller system for an imaging apparatus including backup rollers configured to reduce tracking A backup roller is formed by a member having a rotational axis and a circumferential region around which a plurality of teeth are arranged. Each tooth of the plurality of teeth has a tip end extending in a direction away from the rotational axis. When the backup rol... | 10/30/2007 |
| 7281779 | Apparatus and method for measuring the length change of the feed spindle in an exposer for printing originals Measuring a feed spindle length change in a printing exposer, having at least one exposure head on a carrier moved axially along the drum in a feed direction by a stepping motor and the spindle, carries out the measurement by determining the number of stepping motor... | 10/16/2007 |
| 7270494 | Easy assembly printer media transport arrangement A printer including: at least one elongate roller arranged, in use, to rotate so as to transport print media within the printer; a support frame for supporting the roller at the longitudinal first and second ends of the roller so as to allow the rotation of the roll... | 09/18/2007 |
| 7267502 | Image forming apparatus including a feed roller and press-fit member for attaching gear to roller shaft In a thermally transcribing printer including a frame, a roller made of a metal for feeding sheet at constant speed, a gear made of a resin, a motor, a press-fit engaging member, and a compression coil spring, the roller includes a shaft portion attached to project ... | 09/11/2007 |
| 7237968 | Thermally transcribing printer and image forming apparatus In a thermally transcribing printer including a frame, a roller shaft, a roller shaft drive gear and a motor, the roller shaft includes one end installed on an inner side of the frame and folded to bend in an L-like shape and other end fitted to a drawout preventing... | 07/03/2007 |
| 7222570 | Planographic printing plate supply unit including carrying roller with hollow convex portions A planographic printing plate supply unit comprising: carrying rollers rotating while pressing a stacking bundle, in which planographic printing plates and covering papers are stacked alternately, so as to carry the planographic printing plate and covering paper at ... | 05/29/2007 |
| 7213987 | Synchronization method and apparatus in a value metering system having a digital print head A manually activated, value-metering system having a method and an apparatus for achieving synchronization, wherein the value metering system uses a digital print head to print a plurality of printed lines, one printed line at a time, on a substrate, which is advanc... | 05/08/2007 |
| 7212751 | Image forming apparatus To provide an image forming apparatus including: a discharge tray which can moves between a first position capable of loading a discharged sheet and a second position that is separated from the first position; and a sheet loading amount detection sensor which has a ... | 05/01/2007 |
| 7207561 | Sheet feeder In the sheet feeder, a first intermediate gear support shaft is inserted into a bearing of a first intermediate gear, and contains a bearing engaging part including a sectional shape having a substantial D-shaped cut having a flat part and a circular part. The beari... | 04/24/2007 |
| 7130575 | Image forming apparatus An image forming apparatus includes: a fixing device that fixes the toner image onto the recording medium by applying heat and pressure; ejection rollers provided away from the fixing device for ejecting the recording medium; a guide provided on at least one part of... | 10/31/2006 |
| 7097274 | Removing gas from a printhead A method of removing gas from a printhead is provided. A sealing material may be applied to orifices of a printhead from external the printhead to restrict passage of fluid through the orifices. Ink may be moved through a printhead conduit disposed in fluid communic... | 08/29/2006 |
| 7090419 | Recording device A recording device for recording an image on a recording medium, the recording device comprising: a recording head having a liquid drop discharging surface for discharging liquid drops toward a recording medium; a liquid receptacle disposed at a position opposing a ... | 08/15/2006 |
| 6969206 | Tension generating mechanism for a printing apparatus A printing apparatus includes a conveyance mechanism for conveying a web to a transfer unit, and a tension generating mechanism for applying a tension to the web fed to the conveyance mechanism, wherein the tension generating mechanism includes a tension generating ... | 11/29/2005 |
| 6962333 | Roller and sheet delivery unit The invention provides a roller having excellent flexibility and wear resistance. The invention also provides a sheet delivery unit equipped with this roller. The unit is prevented from being clogged up with sheets due to rigidities of the sheets. Also, simultaneous... | 11/08/2005 |
| 6918708 | Discharging roller, method of manufacturing the same, and recording apparatus incorporating the same In order to manufacture a discharging roller which discharges a recording medium from a recording apparatus, there are a first die formed with a first recess extending in an axial direction of a shaft portion of the discharging roller, and a second die formed with a... | 07/19/2005 |
| 6890112 | Method and system for handling a linerless label web There is disclosed a linerless label web roll wherein the label web has a patterned coating of pressure sensitive adhesive on its underside between marginal side edges and at marginal side edges of the label web. The adhesive is provided in longitudinally extending ... | 05/10/2005 |
| 6890114 | Recording apparatus A discharging unit has multiple discharging rollers for transporting sheets downstream from a recording head in the direction of transporting, arrayed in the direction of transporting. Of the multiple discharging rollers, a second discharging roller disposed farthes... | 05/10/2005 |
| 6874963 | Driving apparatus having a feeding part power-engaging removal device in image forming apparatus An image forming machine driving apparatus includes a first one direction power transfer part transferring or cutting off a dynamic power of a driving motor to or from a feeding part according to rotation directions of the driving motor, and a feeding part power-eng... | 04/05/2005 |
| 6851878 | Print media positioning system and method One embodiment of a positioning system for positioning a sheet of print media within a print media handling mechanism comprises a drive shaft that rotates about a drive shaft axis of rotation; and a drive roller mounted on the drive shaft, the drive roller driven by... | 02/08/2005 |
| 6851801 | Recording material conveying device and ink jet recording apparatus using such device A recording material conveying device is provided with a pair of rotational members for conveying a recording material, and for one of the rotational members, an escape portion is formed for an opening portion of a bearing hole thereof and that satisfies a condition... | 02/08/2005 |
| 6837635 | Inkjet apparatus and method for controlling undulation on media An inkjet apparatus includes a media drive means for moving a medium through a print zone of the apparatus, and also includes a carriage, in which a printhead is mounted, for traversing the pint zone in a second direction. The apparatus also includes restraining mea... | 01/04/2005 |
| 6786663 | Recording apparatus A discharging unit has multiple discharging rollers for transporting sheets downstream from a recording head in the direction of transporting, arrayed in the direction of transporting. Of the multiple discharging rollers, a second discharging roller disposed farthes... | 09/07/2004 |
| 6702493 | Print media handling apparatus A print media handling device comprising a roller element having a rotational axis, the device being adapted to be mounted substantially coaxially between two adjacent pinch wheels of a ink jet apparatus such that in it is free to rotate about its rotatio... | 03/09/2004 |
| 6626596 | Wide format printer with detachable and replaceable paper feed unit components A wide-width format printer having detachable and replaceable paper feed unit components includes an automatic sheet feeder having a feeding width corresponding to standard width print media, a manual sheet feeder having a feeding width corresponding to s... | 09/30/2003 |
| 6550992 | Cored roller for image forming device A roller for contacting print media in an image forming device includes a tubular core formed of a first material and having an inner surface and an outer surface, and a sleeve formed of a second material and surrounding a portion of the tubular core. The... | 04/22/2003 |
| 6527463 | Printer and print medium drive system To avoid the effects of unwanted variations in the pen-to-paper spacing of a printer, deliberate and effectively randomised variations are introduced by using paper drive rollers (20) with an irregular cross-section. In one embodiment, an overdrive roller... | 03/04/2003 |
| 6478488 | Step-stripper roller shaft in an image forming device An image forming device for separating a printable medium from a continuous protective backing strip attached thereto includes a stepped stripper roller shaft encircled by a roller sleeve adapted to press a platen of the device wherein the image forming d... | 11/12/2002 |
| 6450713 | Print media ejection system An output roller for propelling a media sheet, for example in a printer, is disclosed. A plurality of protrusions is selectively positioned on the output roller. As the media sheet exists a media path, the rear edge of the media sheet is caught by the pro... | 09/17/2002 |
| 6364554 | Apparatus for feeding media in a printer A print feed mechanism for feeding print media to a printing zone of a printer in which the feed mechanism is adjustable to vary the position of a pinch roller against a drive roller so as to vary the angle at which print media is fed to the printing zone... | 04/02/2002 |
| 6336758 | Printer A printer wherein a drive roller of a pair of sheet discharge rollers is made of rubber and a driven roller of the pair of sheet discharge rollers is made of synthetic resin; the leading end of a sheet is guided so as to be abutted against the drive rolle... | 01/08/2002 |
| 6287033 | Sheet conveying roller with surface projections A sheet conveying mechanism for a printer which records an image on a sheet fed from a sheet feeder, includes a hard pinch roller; and a capstan roller confronting the pinch roller, the capstan roller associating with the pinch roller to convey at least o... | 09/11/2001 |
| 6149329 | Versatile printing mechanism A wide format versatile printing mechanism is provided which has ribbon tensioning means to equalize the surface tension forces across the ribbon and remove all wrinkles. In one embodiment a cambered rod is introduced between the print head and the ribbon... | 11/21/2000 |
| 6102595 | Sheet supply apparatus having inclined feeding correcting function and recording apparatus A sheet supply apparatus can be releasably attached to a printer. The sheet supply apparatus includes a frame having a sheet conveyance surface, and a shaft arranged above the sheet conveyance surface and having protrusions for correcting inclined feeding... | 08/15/2000 |
| 5993094 | Paper eject apparatus and method of an ink-jet A paper eject apparatus for preventing a paper jam caused by a curled paper, by ejecting the curled paper outside passing between an eject roller and an idler roller. The paper eject apparatus of the ink-jet printer for preventing the paper from being jam... | 11/30/1999 |
| 5961234 | Sheet conveying apparatus A sheet discharge roller is formed from material having great rigidity such as metal and has discharge roller convey portions and discharge roller groove portions (circumferential grooves) to which spurs are opposed. The spurs are not contacted with the s... | 10/05/1999 |
| 5957599 | Sheet transport unit and recorder A recorder comprises, a conveying roller for sending off sheets one by one from stacked sheets of paper; a sheet support biased toward the conveying roller; an feed roller positioned upstream a recording head and downstream the conveying roller; and a spr... | 09/28/1999 |
| 5912690 | Recording medium transporting apparatus A recording medium transporting apparatus is shown including a rowel spur. The rowel spur is designed to control the amount of ink adhering to the rowel spur, thus preventing image quality problems associated with slippage between the rowel spur and the r... | 06/15/1999 |
| 5897258 | Platen-drive thermal dye printer with cone shaped scuff rollers transporting the receiver in reciprocating directions A platen-driven thermal dye printer mechanism (1), and more particularly to a cone-shaped scuff roller (7) which aligns a dye print receiver media sheet (2) with the receiver guide wall (8) during printing in a reciprocating direction (5). Using at least ... | 04/27/1999 |
