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| Number | Title | Issue Date |
| 8113505 | Image forming apparatus and paper feeding device thereof Disclosed herein are a paper feeding device and an image forming apparatus capable a convenient removal a paper jammed between a pickup unit and a multi-sheet feeding prevention unit. The multi-sheet feeding prevention unit may be moveable in cooperation with a deta... | 02/14/2012 |
| 8047534 | Sheet accommodating device and image recording apparatus with a translating pressing member attached to a rotating tray cover A sheet accommodating device including: a tray configured to accommodate a sheet; and a pressing member configured to press the sheet accommodated in the tray, wherein the pressing member includes a guide portion configured to guide, where the sheet accommodated in ... | 11/01/2011 |
| 7980554 | Friction backup roller for media picking A friction backup roller assembly for a peripheral device, comprising an auto-compensating mechanism having a pick tire at one end, a media tray disposed adjacent to the auto-compensating mechanism, a backup roller extending through an aperture in the media tray, th... | 07/19/2011 |
| 7913997 | Sheet feeding device, sheet feeding cassette used for the same, and image forming apparatus A sheet feeding device comprises a pick roller; a push-up board; a first friction member located in a position on the push-up board opposed to the pick roller with the sheet bundle interposed therebetween; and a second friction member located in a position on the pu... | 03/29/2011 |
| 7862035 | Sheet feed devices and image recording apparatus comprising such sheet feed devices The invention describes a sheet feed device having a sheet tray having a bottom plate defining a first portion of a storing portion that receives sheets therein, a feed roller, a separation plate, and a recessed portion formed in the separation surface. The feed rol... | 01/04/2011 |
| 7828285 | Sheet media input system The present invention provides a removable input tray to be used in an image forming device, such as a printer. The input tray includes a front wall with a sloped surface for sheet separation, an opening in the front wall, and a retractor pivotally mounted in the op... | 11/09/2010 |
| 7690645 | Sheet supplying apparatus A sheet supplying apparatus, including a sheet holder which accommodates recording sheets stacked on each other; a feeding device which feeds an uppermost one of the stacked sheets in a sheet-feed direction; an inclined guide plate which is provided downstream of th... | 04/06/2010 |
| 7624979 | Sheet transport apparatus A sheet transport apparatus includes a pair of transporting rollers, a table and a table drive mechanism. The pair of transporting rollers consist of a driving roller and a driven roller. On the table are stacked a plurality of recording media to be supplied to the ... | 12/01/2009 |
| 7543814 | Automatic paper feeding apparatus An automatic paper feeding apparatus used in an electronic apparatus including a tray frame, a tray body, a paper-taking roller, at least a wiggling device and a frictional roller is provided. The tray body can move into and out from the tray frame. The paper-taking... | 06/09/2009 |
| 7441766 | Paper feeder with separation pad and vibration buffers A paper feeder is capable of minimizing abnormal noise produced at a separation pad during paper feed, without reducing the paper feed capability, for use in an image forming apparatus using the same. Buffers are mounted on the separation pad. This arrangement ensur... | 10/28/2008 |
| 7441765 | Sheet feeding mechanism A sheet feeding mechanism comprises a sheet supporter, a pick-up roller, and a guide. The sheet supporter is capable of supporting a plurality of sheets in a stacked manner. The pick-up roller rotates in contact with a surface of, among the plurality of sheets suppo... | 10/28/2008 |
| 7440148 | System for manipulating pages of a material The present invention relates to turning and recording and/or reproducing multiple pages or leaves from a material, such as a book or periodical. A leaf lifting mechanism lifts the leaves of the material (e.g., book, periodical, etc.) from which the images are to be... | 10/21/2008 |
| 7434800 | Sheet separation member and sheet supply device A sheet separation member for use in a sheet supply device including a sheet feed roller that feeds stacked sheets. The sheet separation member includes a body portion including a plurality of protrusion portions that engages with leading edges of the stacked sheets... | 10/14/2008 |
| 7384034 | Sheet convey apparatus A sheet convey apparatus includes a main feed roller, retard roller, torque limiter, retard roller guide, a pair of bearings, and a spring. The main feed roller rotates in a predetermined direction in contact with one surface of a paper sheet, to give to the sheet a... | 06/10/2008 |
| 7370859 | Sheet feeder Sheets are separated one-by-one from their stack placed in a holder by a sheet feed roller and a separation member provided in an inclined separation plate. The separation member can be a flat metal plate, and possibly includes a base portion, arm portions extending... | 05/13/2008 |
| 7370858 | Apparatus for and method of preventing paper double feeding in printer An apparatus for and method of preventing paper double feeding in a paper feeding unit of a printer include a stripper which is installed to be inclined at a predetermined angle and attached to at least one front side of a plurality of paper guides, a lever which is... | 05/13/2008 |
| 7367554 | Member for preventing feeding of a plurality of sheets at a time A member for preventing feeding of a plurality of sheets at a time including a composition containing a resin component. Not less than 10 parts by mass nor more than 100 parts by mass of a polyester thermoplastic elastomer is contained in 100 parts by mass of the re... | 05/06/2008 |
| 7360485 | Planographic printing plate feeding apparatus In a planographic printing plate feeding apparatus, a load W applied to a stack of plates by a pickup roller which feeds a planographic printing plate from the stack is adjusted. If the load W is increased and exceeds a single feeding threshold, and if a conveyance ... | 04/22/2008 |
| 7357586 | Image forming apparatus including a paper feeding cassette An image forming apparatus including a paper feeding cassette to stack a print medium, wherein the paper feeding cassette includes a plate to support the print medium and which elevates substantially straight, and a supporting unit to support the elevation of the pl... | 04/15/2008 |
| 7305208 | Image heating apparatus with discharge occurring between a charge eliminating member and a pressure roller The image heating apparatus for heating a toner image formed on a recording material, includes a rotatable member, a pressure roller which contacts with the rotatable member, wherein the recording material is heated while being conveyed by a nip portion between the ... | 12/04/2007 |
| 7270322 | Image forming apparatus A paper feed portion for an image forming apparatus has a simple structure capable of generating a carrying force and preventing double feeding effectively. A paper feed roller 1 and a carrying auxiliary portion 2 are arranged symmetrically with respec... | 09/18/2007 |
| 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 |
| 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 |
| 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 |
| 7195238 | Sheet conveying apparatus and image forming apparatus A sheet conveying apparatus for conveying a sheet using a sheet conveying unit arranged along a sheet conveying path has a skew detecting unit for detecting skew of the sheet conveyed along the sheet conveying path with respect to a sheet conveying direction, a skew... | 03/27/2007 |
| 7172192 | Paper feeding device A base part of a paper feeding device for supporting paper edges of a plurality of sheets of paper is provided with paper feeding load applying means which extends in a paper feeding direction and includes a plurality of convex portions having a same height and arra... | 02/06/2007 |
| 7163202 | Sheet feeding device and image forming apparatus comprising the sheet feeding device A sheet feeding device comprises a sheet feeding member having an outer layer thereof, a sheet loaded on a sheet loading member being depressed on a peripheral surface of the outer layer, the sheet feeding member delivering the sheet depressed to the peripheral surf... | 01/16/2007 |
| 7156388 | Inkjet printer and paper feeding method therefor An inkjet printer includes a resistance element with which a front end of the paper becomes in contact so that a paper on a top of the stack of papers is separated from the stack of papers and picked up from a cassette, an angle conversion unit which changes an incl... | 01/02/2007 |
| 7152859 | Sheet separator A sheet separator for a printer includes a plurality of inclined separator strips, with a feed mechanism for urging a sheet from a stack toward the separator strips. The separator strips are oriented at an obtuse angle relative to the sheets of the stack, and at lea... | 12/26/2006 |
| 7131644 | Imaging apparatus having an automatic sheet feeder An imaging apparatus includes a sheet separation surface positioned along the sheet feed path downstream from a media tray. A plurality of pivoting arms is mounted in the imaging apparatus. The pivoting arms are moveable between a first position and a second positio... | 11/07/2006 |
| 7111934 | Recording medium feeding apparatus, recording apparatus, liquid ejecting apparatus The feeding apparatus 50 includes a hopper 51 that is provided operable to support the papers in inclined attitude and pivot around a pivot axis 51a, and a feed roller 53 that is provided at a feed roller shaft 54 and feeds ... | 09/26/2006 |
| 7108257 | Sheet-supply device A sheet-supply device supplying sheets one at a time from a stack of sheets in a sheet feeding direction. The device includes a slanting plate on which a stack of sheets is mounted. A sheet feed roller is positioned above the slanting plate applying a force to an up... | 09/19/2006 |
| 7108259 | Apparatus to feed paper in an image forming device An apparatus to feed paper in an image forming device, which picks up papers with various thickness received in the feeding stand without a feeding error, and transfers the same to the developing unit. The apparatus includes, a feeding stand to receive a plurality o... | 09/19/2006 |
| 7104539 | Sheet material feeding device and recording apparatus A sheet material feeding device for sending out sheet materials mounted on a sheet material mounting portion one by one by a feeding roller, includes an elastic member with the angle changed elastically by being abutted against by the sheet materials sent out, for s... | 09/12/2006 |
| 7097171 | Paper feeding apparatus having an active paper separating unit in an image forming apparatus A paper feeding apparatus includes: a frame forming one of a paper stacker and a paper feed tray on which paper is stackable; a paper feed unit disposed above the frame and including a pickup roller which picks up the paper; and an active paper separator disposed at... | 08/29/2006 |
| 7066461 | Paper separation mechanism and paper feed apparatus with the paper separation mechanism A paper separation mechanism that requires no complicated design or manufacturing and prevents feeding of a plurality of sheets of paper simultaneously to assure sheet-by-sheet feeding of paper, and a paper feed apparatus using such a paper separation mechanism. In ... | 06/27/2006 |
| 7036814 | Passive media separating device A media separator includes an elongated body having a series of formations thereon. The formations have angular surfaces for engaging a leading edge of sheets advancing therealong. As the leading edges move against the formations, separation between the sheets is en... | 05/02/2006 |
| 7029005 | Media positioning at a picking location A method and apparatus for positioning media that in an embodiment includes a plate attached to a wall along a pivot axis. A spring is attached to the wall and to the plate, and the spring expands to push the plate and the media to a picking location. ... | 04/18/2006 |
| 7029003 | Automatic paper feed apparatus The present invention provides an automatic paper feed apparatus which can reliably prevent papers from being discharged in an overlapped state in spite of simple construction. The automatic paper feed apparatus comprises a paper feed roller for automatically feedin... | 04/18/2006 |
| 7021757 | Both-side recording apparatus A clear-cut high-quality printing result is obtained in a both-side recording apparatus. The both-side recording apparatus has first unevenness imparting means for imparting an uneven shape to a recording medium in a plane orthogonal to the conveying direction of th... | 04/04/2006 |
