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Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 8177220 | Feeding device and printing apparatus A feeding device includes a pickup roller that picks up a loaded feeding medium and sends the feeding medium to a downstream side of a feeding direction and a regulator that is provided at a location different from the pickup roller in a widthwise direction of the f... | 05/15/2012 |
| 8152158 | Automatic document feeder with sheet pick-up module An automatic document feeder includes a top cover having a fixing structure and first attracting element, a sheet pick-up module and a second attracting element. The fixing structure and the first attracting element are disposed on an inner surface of the top cover.... | 04/10/2012 |
| 8118299 | Manual sheet feeder and image forming apparatus including same A manual sheet feeder including a pickup roller; a pickup arm; a sheet stopper; a rotation regulation member; a solenoid including a movable core having a straight line motion; a solenoid link rotatively coupled to the movable core; and a first spring to bias the pi... | 02/21/2012 |
| 8016284 | Sheet feeding device and document reading device An operation of a pickup roller to be performed upon powering on or after paper jam elimination is adjusted according the presence or absence of a document on a document sheet support. When the document is absent on the sheet support, the pickup roller is moved down... | 09/13/2011 |
| 7980549 | Document feeder and image forming device A document feeder configured to feed a document in a first direction includes a tray configured to load a document or a set of documents on a loading surface thereof, first and second contact portions disposed to contact the document on the loading surface, and a de... | 07/19/2011 |
| 7971868 | Sheet feeding apparatus and image forming apparatus with lifter mechanism A sheet feeding apparatus includes a middle plate, a lifter mechanism, and a sheet-feed roller. The sheet-feed roller can move to a first position retracted from the sheet, a second position lower than the first position for feeding the sheet, and a third position l... | 07/05/2011 |
| 7946572 | Paper pick-up mechanism and feeder using the same A paper pick-up mechanism for a feeder includes a pick-up roller, a pick-up roller shaft, a separation roller, a transmission shaft, a gear set and a transmission gear shaft. Two one-way clutches are respectively coupled to the transmission shaft and the transmissio... | 05/24/2011 |
| 7798483 | Sheet feeder and image forming apparatus When a sheet reaches a sheet separator, an operation mechanism rocks a pick arm, thereby separating a paper feed roller from the sheet. At that time, a roller presses another roller and a separation pad holder through a separation roller and a sheet which is separat... | 09/21/2010 |
| 7758038 | Printer having compact media pick-up device A printer comprising: a support frame; and a sheet media pick-up device pivotally mounted to the support frame so as to be pivotable relative to a supply of sheet media, the pick-up device comprising: a driven roller arranged to be rotated so as to contact and pick-... | 07/20/2010 |
| 7753362 | Sheet feeding apparatus and recording apparatus Disclosed is a sheet feeding apparatus capable of easily changing an amount of conveyance of sheet materials without increasing the costs. A sheet feeding roller body is constructed of a cylindrical sheet feeding roller support member provided with a sheet feeding r... | 07/13/2010 |
| 7708266 | Sheet feeder and image forming apparatus A sheet feeder comprising: a feed roller which feeds sheet by rotating in contact with the sheet; a separation roller which is disposed at a downstream side of a sheet feeding direction; a supporting member which supports the feed roller and the separation roller, t... | 05/04/2010 |
| 7648134 | Paper supply device and image forming apparatus having the same A paper supply device and an image forming apparatus, capable of always maintaining a constant pickup force regardless of the amount of loaded sheets of paper. The paper supply device includes a paper supply cassette, a pickup unit to pick up the paper, a paper supp... | 01/19/2010 |
| 7631862 | Device for feeding a recording medium at a controlled distance and image forming apparatus having such device A sheet feeding device comprises a sheet feeding roller, having a first circumferential section and a second circumferential section, configured to rotate in a direction from the first circumferential section to the second circumferential section; and a pressure pla... | 12/15/2009 |
| 7481423 | Print medium feeding apparatus and image forming apparatus using the same A print medium feeding apparatus, comprising: a knockup plate on which a ream of print medium is stacked thereon; a pickup roller for picking up a sheet of print medium stacked on the knockup plate; a sheet separation member installed in a manner to form a contact n... | 01/27/2009 |
| 7481422 | Paper pickup unit and image forming apparatus having the same An image forming apparatus having a paper pickup unit includes a power unit to drive a shaft of the paper pickup unit, wherein the paper pickup unit includes a pressing plate at which a recording medium, such as a sheet of paper, is stacked, a paper feed unit body t... | 01/27/2009 |
| 7464924 | Sheet feeder device and image forming apparatus A sheet feeder device is provided with a pick-up roller driving section which is operative to position the pick-up roller into a retracted position spaced a predetermined distance apart from a stack of document sheets on a document tray before and after the operatio... | 12/16/2008 |
| 7458571 | Sheet feeding apparatus, and image forming apparatus When a print request signal for a single sheet is input after a sheet feeding cassette has been reset, lapse of a reference time âtâ is waited after switching of a sheet feeding roller has been performed. After a sheet-pressing plate has been lifted from a loadi... | 12/02/2008 |
| 7448612 | Auto-compensating mechanism lifter An auto-compensating mechanism lifter comprises an auto-compensating mechanism (ACM) and a lifter for moving a sheet of print media from a media feed tray in a document feeding device for printer, multifunction device or similar device. The auto-compensating mechani... | 11/11/2008 |
| 7435025 | Image recording apparatus An image recording apparatus includes an accommodation section, an image recording section, an outer arcuate guide member, an inner arcuate guide member, and a feeding section. Recording media are stacked on the accommodation section. The image recording section for... | 10/14/2008 |
| 7422205 | Original feeding apparatus and image reading apparatus An original feeding apparatus includes a feeder tray for stacking originals, a separating device for separating the originals into a single sheet, and a feeding device for feeding the original to the separating device. The feeding device is raised or lowered between... | 09/09/2008 |
| 7401913 | Recording apparatus A conveying roller and a paper expelling roller provided upstream and downstream, respectively, of a recording portion in a conveyance direction are connected via an idler gear so as to be able to perform drive transmission, a rotation drive amount of the idler gear... | 07/22/2008 |
| 7398970 | Original transport apparatus In the context of a structure wherein outer casing(s) is/are disposed so as to permit opening and closing about shaft(s), stopper member(s) and engagement piece(s) engaging with such stopper member(s) being disposed at such outer casing(s) so as to permit independen... | 07/15/2008 |
| 7370857 | Paper feeding apparatus A paper feeding apparatus includes a housing accommodating a plurality of papers, a pickup unit, a rotation transmitting member and a torque transmitting member. The pickup unit has a pickup lever, a driving shaft rotatably supporting the pickup lever, and a pickup ... | 05/13/2008 |
| 7367556 | Sheet-handling apparatus A sheet-handling apparatus includes a base, a second motor and a sheet-fetching assembly driven by the second motor. The sheet-fetching assembly has a passive gear and a floating gear. When the passive gear rotates, the floating gear revolves around the passive gear... | 05/06/2008 |
| 7364153 | Sheet feeding device and image forming apparatus A sheet feeding device includes a cassette configured to accommodate recording media, and a recording media feeding member configured to feed out the recording media accommodated in the cassette. The cassette includes a tray main body part including a stacking plate... | 04/29/2008 |
| 7364152 | Sheet feeding apparatus and image forming apparatus In the course of sheet feeding by a sheet feeding roller, a depressing arm is depressed by a sheet feeding cam provided coaxially with the sheet feeding roller, whereby a depressing pawl is moved in a direction to be engaged with the stacking plate pawl of an stacki... | 04/29/2008 |
| 7348524 | Image forming apparatus An image heating device has a magnetic flux generator, a heat generating element for generating heat by a magnetic flux from the magnetic flux generator; a magnetic flux confining member, the magnetic flux confining member including a magnetic flux confining portion... | 03/25/2008 |
| 7331574 | Media input system A media input system for an image forming apparatus is disclosed. The media input system includes an input tray for holding a stack of media sheets, a scissor picking assembly for picking individual media sheets from the stack, and a transport roller assembly for tr... | 02/19/2008 |
| 7322923 | Dunnage sheet removal apparatus A dunnage removal apparatus is situated adjacent a load conveyor and more particularly at a transfer device that moves a unitized load from the load conveyor to a pre-feeder. The dunnage removal apparatus includes a guide chute that funnels a loose flap of the dunna... | 01/29/2008 |
| 7320462 | Automatic document transportation device An automatic document transportation device includes a shutter, a stopper and a shutter releasing mechanism. The shutter is provided at upstream of a document feed roller and suspended from a cover under a freely swinging state. The stopper is provided on a pickup a... | 01/22/2008 |
| 7303189 | System for media handling A media handling system is disclosed, which system includes a media picking unit for picking up individual media sheets from a stack of media sheets and a media output unit for advancing a printed media sheet toward an output area. The media picking unit includes a ... | 12/04/2007 |
| 7296790 | Automatic document feeding apparatus An automatic document feeding apparatus includes a shaft, an ADF roller for feeding documents piece by piece by cooperating with a separating member, and a power switching member for selectively connecting a driving member with the shaft. The power switching member ... | 11/20/2007 |
| 7295289 | Continuous paper feed system A paper handler, in combination with a scanning device for seamlessly providing a length of paper to the scanning device. A drag system is also included that contributes to handle the paper handled by the paper handler for providing the seamless continuous paper flo... | 11/13/2007 |
| 7275741 | Methods and apparatus for transporting sheet media A sheet handling assembly includes a frame, a first assembly, and a second assembly, each assembly rotatably supported by the frame and configured to contactingly transport sheet media. A member is configured to rotate the second assembly in response to rotation of ... | 10/02/2007 |
| 7270326 | Paper sheet separation and transfer apparatus A paper sheet separation and transfer apparatus has a take-out roller which takes out stacked paper sheets onto a transfer path, a first separation unit, and a second separation unit. When the front end of a first paper sheet in the transfer direction reaches a nip ... | 09/18/2007 |
| 7270323 | Sheet feeding device with two cams A sheet supplying/feeding device includes a sheet placing plate that receives at least a tip of a sheet, a feeding unit that feeds the sheet while being in contact with the sheet placed on the sheet placing plate, and a driving unit that drives the feeding unit. Pre... | 09/18/2007 |
| 7258335 | Eliminating drag of media sensor in printer media transport Drag from media sensor (80) of a printer is eliminated by it being pivoted through a slip connection off of pivoted media feed system (19) to briefly contact papers. The pivoted media feed is then moved in reverse a limited amount at which a rotatably ... | 08/21/2007 |
| 7255339 | Sheet-feeding apparatus with a paper stopper A sheet-feeding apparatus with a paper stopper includes a sheet-feeding base having a sheet-placing stand for placing sheets, a roller shell located on the sheet-feeding base having two side walls, a preliminary feeding roller unit and a feeding roller unit containe... | 08/14/2007 |
| 7252283 | Paper-pickup clutch of automatic paper-feeding device A paper-pickup clutch of an automatic paper-feeding device includes a clamping member and a clamping-force adjusting member and can be applied to image processors such as printers, copiers or scanners. The automatic paper-feeding device includes a shaft and a paper-... | 08/07/2007 |
| 7234610 | Automatic napkin dispenser An automatic napkin dispenser includes a housing having a rotatable feed roller with protrusions on an outer surface thereof for engaging a topmost napkin on a stack of napkins, and displacing the topmost napkin between a pair of counterrotating nip rollers that dis... | 06/26/2007 |
