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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8186669 | Sheet feeder device and image forming apparatus A paper feed cassette of an image forming apparatus is provided with a sheet receptacle and a pair of width adjustment guides. A cassette feeder of the image forming apparatus is provided with a plurality of rollers, a plurality of roller holders, and a plurality of... | 05/29/2012 |
| 8172220 | Dual shaft media picking mechanism A media picking mechanism includes a pair of transmission shafts rotating in opposite directions. A housing is mounted around the pair of transmission shafts such that the first transmission shaft and the second transmission shaft are positioned substantially equidi... | 05/08/2012 |
| 8123211 | Pickup roller lifting and lowering mechanism in paper feeding unit and image forming apparatus including the pickup roller lifting and lowering mechanism A pressing projection of a paper feeding cassette presses a push-back mechanism to thereby release urging of a cam gear in a direction opposite to a direction of the paper feeding cassette. The cam gear moves in the direction of the paper feeding cassette. A cam of ... | 02/28/2012 |
| 8118298 | Sheet feeding device and image forming apparatus A sheet feeding device includes a holding unit configured to hold a stack of sheets; a pickup roller, which feeds a sheet placed on top of the stack held in the holding unit when the pickup roller comes in contact with the sheet; a holder arm having a distal end to ... | 02/21/2012 |
| 8113502 | Sheet feeding device and image forming apparatus A sheet feeding device includes: an arm member that is provided with a drive shaft at a base end thereof, the arm member being configured to swingably rotate around the drive shaft; a feed roller that is disposed at a leading end of the arm member, the feed roller f... | 02/14/2012 |
| 8109500 | Medium supply unit and image forming apparatus having the same A medium supply unit of an image forming apparatus, the medium supply unit may include: a main body housing; a tray connected to the main body housing and loading a printing-target medium therein; an activating shaft connected to the main body housing and being rota... | 02/07/2012 |
| 8096547 | Sheet stopping structure A sheet stopping structure includes a sheet pick-up arm, a sheet guide casing and a sheet stopper. A receiving recess is formed in the sheet guide casing. Two sliding slots are respectively formed in two sidewalls of the receiving recess. The sheet stopper is instal... | 01/17/2012 |
| 8061704 | Apparatus for feeding compressible media in an image forming device with rotation limiting stop A pick mechanism according to one exemplary embodiment includes transmission housing and a drive transmission engageable with a drive shaft for receiving rotational force from the drive shaft. A pick axle has at least one pick wheel mounted thereon and is operativel... | 11/22/2011 |
| 8061705 | Document feeding mechanism A document feeding mechanism includes a frame, a document picking means positioned in the frame for picking up and conveying a document, a stopper means positioned in the frame for blocking the conveyance of the document, a supporting portion cooperating with the st... | 11/22/2011 |
| 8052138 | Paper tray of printer A paper tray of printer is provided, which includes a paper tray body, a slide shaft, a first pick arm, a second pick arm and a paper width guide. The first pick arm is fixed on the slide shaft, and the second pick arm is slidely disposed on the slide shaft. The pap... | 11/08/2011 |
| 8052137 | Sheet stopping mechanism and automatic document feeder having such sheet stopping mechanism A sheet stopping mechanism includes a guiding element, a sheet stopping element and a guiding slot. The guiding element includes a sheathing part and an extension arm. The sheathing part is sheathed around an axle of the sheet pick-up roller. The sheet stopping elem... | 11/08/2011 |
| 8052139 | Document feeding mechanism having stopper means A document feeding mechanism includes a frame, a document picking means positioned in the frame for picking up and conveying a document, a stopper means positioned in the frame for blocking the conveyance of the document, a supporting portion cooperating with the st... | 11/08/2011 |
| 8047531 | Sheet pressing apparatus with sensor unit and stepping motor A sheet pressing apparatus assembled to a file processing equipment which has an input tray for stacking sheets and a pickup roller for feeding sheets. The sheet pressing apparatus includes a sheet pressing assembly movably mounted to the file processing equipment, ... | 11/01/2011 |
| 8016283 | Recording sheet feeder and image forming apparatus providing easy maintenance with simple structure In a recording sheet feeder, a recording sheet tray moving mechanism moves a recording sheet tray between an upper position, at which an uppermost recording sheet of a plurality of recording sheets loaded on the recording sheet tray contacts a feed roller, and a low... | 09/13/2011 |
| 8011653 | Sheet-feeding device and method of feeding sheet media A sheet-feeding device includes a tray for holding sheet media of various widths and a shaft extending across the tray. A plurality of pick assemblies is mounted to the shaft. The pick assemblies are spaced along the shaft so that one or more of the pick assemblies ... | 09/06/2011 |
| 8002267 | Paper feed apparatus An embodiment of a paper feed apparatus is provided with a pressure varying mechanism that varies a load pressure of a pickup roller to originals. The pressure varying mechanism has a rotating lever that switches the load pressure, a rotating arm that contacts and p... | 08/23/2011 |
| 7980548 | Sheet feeding apparatus and image forming apparatus A sheet feeding apparatus includes a sheet stacking portion for stacking thereon a sheet, a sheet feeding portion for axially supporting a sheet feeding roller, and a spring portion actable on the sheet feeding portion. The spring portion acts on the sheet feeding p... | 07/19/2011 |
| 7963519 | Media pick system and method Various embodiments of a system and method for picking print media are disclosed. ... | 06/21/2011 |
| 7926803 | Media drive Various media drive and methods move a media drive member relative to a medium. ... | 04/19/2011 |
| 7918445 | Sheet feeding device and image forming apparatus A sheet feeding device to feed a sheet in a sheet stack into a sheet feeding path is provided. the sheet feeding device includes a feed roller configured to contact the sheet stack and feed the sheet in a feeding direction, a guide member, having a guide surface, wh... | 04/05/2011 |
| 7905479 | Feeder unit, sheet feeding device, and image forming apparatus A feeder unit to feed sheets is provided. The feeder unit includes a main frame, being swingably supported at a pivotal end by a first shaft, and arranged to extend from the first shaft toward an upper level of a tray, a rotary member, which is rotatably supported, ... | 03/15/2011 |
| 7891656 | Sheet feeding apparatus with sheet releasing mechanism A sheet feeding apparatus includes a sheet releasing mechanism, a casing, a sheet feeding channel, a sheet pick-up module and a driving shaft. The sheet releasing mechanism includes a control lever and a base. The control lever includes a protruding part. The base i... | 02/22/2011 |
| 7866658 | Media pick system and method A media pick system includes a media support, a pick roller, disposed above media support, configured to selectively contact and pick sheets of media disposed upon the media support, and clearance means, associated with the media support, for providing contact-free ... | 01/11/2011 |
| 7857303 | Sheet feeding apparatus and image forming apparatus An over-stack protective portion is provided on a stopper member. When a sheet feeding device is in a standby position, the over-stack protective portion is held in a position in which the over-stack protective portion is in pressure contact with sheets having the m... | 12/28/2010 |
| 7837188 | Paper-stopped linkage mechanism A paper-stopped linkage mechanism, located at the upper cover of the office machine, includes a paper feeder mechanism, a paper stopper mechanism and a linkage. The paper feeder mechanism is movably located at the upper cover and has at least one paper-feeding rolle... | 11/23/2010 |
| 7828283 | Sheet feed method and apparatus including pivotally mounted pick arm Various embodiments of a sheet feed apparatus for an electronic device are disclosed. The sheet feed apparatus includes a mount pick arm that pivotally moves closer to a stack of media as the media is picked from the stack of media. A pick arm is pivotally connected... | 11/09/2010 |
| 7802784 | Sheet feeding apparatus and image reading apparatus A sheet feeding apparatus has a liftable stacking member on which a sheet is stacked, a feeding member which feeds the sheet in abutment against the uppermost one of the sheets placed on the stacking member, the feeding member moving from a separation position to an... | 09/28/2010 |
| 7798482 | Image forming apparatus having structure for flexibly supporting feeding roller A feeding roller is rotatable about an imaginary rotational axis extending in an axial direction and is configured to be rotatingly driven in a rotational direction for feeding a recording medium to a conveying path. A supporting section rotatably supports the feedi... | 09/21/2010 |
| 7766319 | Recorded medium feeding device and recording apparatus A recorded medium feeding device includes a pickup roller that feeds recorded medium downstream from a setting position by contacting with the recorded medium and rotating and a separating means for separating recorded medium to be fed and subsequent recorded media ... | 08/03/2010 |
| 7753361 | Paper feeding apparatus with damping gear on swing arm A paper feeding apparatus includes a driving shaft, a swing arm unit sleeved rotatably on the driving shaft, a pickup shaft disposed rotatably on the swing arm unit, and a device configured as an idle wheel unit or a damping gear. The device is interconnected betwee... | 07/13/2010 |
| 7731176 | Sheet picking system for an imaging apparatus A sheet picking system for picking a sheet of media includes a power source having a driveshaft. A first housing arm containing a drive gear is drivably coupled to the driveshaft. The drive gear defines a first pivot axis for the first housing arm, wherein the drive... | 06/08/2010 |
| 7722030 | Sheet feeder A sheet feeder is provided. The sheet feeder includes a sheet tray which retains a sheet; a first rotating body for applying a first conveying force to the sheet retained in the sheet tray; a second rotating body for applying a second conveying force to the sheet re... | 05/25/2010 |
| 7708265 | Sheet Feeder A sheet feeder includes a housing having a cassette housing part recessed horizontally from the front surface toward the depth direction and a sheet feed cassette that can be drawn from the cassette housing part. The sheet feed cassette has an open top for storing s... | 05/04/2010 |
| 7703762 | Sheet supply device and image forming apparatus When a paper feed cassette is again mounted, a pressing portion of a pressing member is brought into contact from the front side on a second surface of an extending portion of a contacting member, and the contacting member is pressed by the pressing member to be dis... | 04/27/2010 |
| 7694954 | Sheet pick-up device A sheet pick-up device includes a sheet pick-up arm, a driving shaft and a collar. The sheet pick-up arm has a sleeve at the outside surface thereof. The driving shaft is penetrated through the sheet pick-up arm and the sleeve. The collar is sheathed around the driv... | 04/13/2010 |
| 7686291 | Sheet conveyance device A sheet conveyance device includes a pick-up roller, a handling member, and a roller-movement-timing changing unit. The pick-up roller is movable between a feeding position where a recording sheet stacked in a sheet tray is fed and a feed standby position where the ... | 03/30/2010 |
| 7686292 | Sheet feeding device and image forming apparatus A sheet feeder (20) includes a tray (30) for receiving a recording sheet (P). A feed roller (41) is disposed above the tray (30) and feeds the sheet (P). A bottom plate (50) is at a downstream end of the tray (30) and moves ... | 03/30/2010 |
| 7673871 | Sheet feeder A sheet feeder has a tray for receiving one or more media sheets. An arm is configured to pivot relative to the tray. A roller is rotatably coupled to the arm. A biasing device is coupled to the arm. The biasing device biases the arm to pivot toward the tray. ... | 03/09/2010 |
| 7648133 | Media sheet input devices for use in an image forming apparatus Assemblies and methods to move media sheets from a media stack within an image forming apparatus. These may include a pivoting arm with an attached roller that contacts the media stack and rotates to move a top-most sheet from the media stack. A clutch may be operat... | 01/19/2010 |
| 7641186 | Sheet feeding/conveying method and sheet feeding/conveying apparatus A sheet material feeding apparatus has a rotatable pressure plate for stacking sheet materials, a pickup roller for feeding the sheet material stacked on the pressure plate, a feed roller for feeding the sheet materials fed by the pickup roller and a separation roll... | 01/05/2010 |
