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FEEDING

Subclass of:

271 - Sheet feeding or delivering

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
271018000 Separators 430
271264000 By means to convey sheet (e.g., from pack to operation) 343
271226000 With means to align sheet 283
271100010 Separator and conveyor 256
271145000 Pack holders 185
271225000 By means to change direction of sheet travel 113
271900010 Multiple supplies 90
271256000 With means to interrupt feeding 62
Entries
DocumentTitleDate
20100090390Apparatus And Method For Reducing Vibration And Noise In A Printer - An apparatus for transporting media in a printer helps reduce vibration and noise in the printer. The apparatus includes a pair of brackets secured to a printer surface, a shaft, a first portion of the shaft being secured within one of the brackets and a second portion of the shaft being secured within the other bracket, a roller mounted about the shaft for rotation about the shaft, and a pair of vibration dampeners, one vibration dampener being interposed between the first portion of the shaft and the one bracket, and the other vibration dampener being interposed between the second portion of the shaft and the other bracket.04-15-2010
20090194931SHEET FEEDING DEVICES AND IMAGE RECORDING APPARATUS INCLUDING THE SAME - A sheet feeding device having a first sheet feeding path and a second sheet feeding path through which a sheet is configured to be fed. A first sheet-guiding member is disposed between the first sheet feeding path and the second sheet feeding path. The first sheet-guiding member is configured to move between a first position and a second position. A second sheet-guiding member is disposed opposite the first sheet feeding path. The second sheet-guiding member is configured to move between a third position and a fourth position. A connecting member is configured to selectively couple the first sheet-guiding member to the second sheet-guiding member.08-06-2009
20100078870MEDIA ADVANCE CALIBRATION - A method of calibrating a media advance in a printer includes providing a mask to specify a printing configuration of a calibration target; forming a media feed calibration target on the print media by: i. printing the calibration target on a print media using an array of the marking elements, ii. advancing the print media by a media advance amount, iii. printing the calibration target on the print media using the array of the marking elements; iv. advancing the print media by the previous media advance amount plus an offset amount, and v. repeating steps iii. and iv. until the media feed calibration target is complete; measuring the optical reflectance of the media feed calibration target as a function of position along the media feed calibration target; identifying a position along the media feed calibration target corresponding to the location at which a maximum in the optical reflectance occurs; and comparing the location at which a maximum in the optical reflectance occurs to a predetermined location of the media feed calibration target to calibrate media advance in the printer.04-01-2010
20120235344PAPER STOPPER MECHANISM FOR PAPER-FEEDING APPARATUS - A paper stopper mechanism for paper-feeding apparatus, which has simplified structure and commonly uses one motor to stop papers. The paper stopper mechanism includes a rotary shaft driven by a drive shaft via a gear assembly, a stopper plate disposed on the rotary shaft, which is movable between a first position and a second position along with the rotation of the rotary shaft, and a resilient member positioned between the rotary shaft and a transmission gear of the gear assembly. There is frictional force between the rotary shaft and the transmission gear, whereby the transmission gear can drive the rotary shaft to rotate. When the stopper plate and the rotary shaft stop at the second position, the transmission gear can still transmit power to a pickup roller to feed a paper into the paper-feeding apparatus without any error.09-20-2012
20120235343PAPER STOPPER MECHANISM FOR PAPER-FEEDING APPARATUS - A paper stopper mechanism for paper-feeding apparatus, which has simplified structure and commonly uses one motor to stop papers. The paper stopper mechanism includes a rotary shaft driven by a drive shaft via a gear assembly, a stopper plate disposed on the rotary shaft, which is movable between a first position and a second position along with the rotation of the rotary shaft, and a resilient member positioned between the rotary shaft and a transmission gear of the gear assembly. There is frictional force between the rotary shaft and the transmission gear, whereby the transmission gear can drive the rotary shaft to rotate. When the stopper plate and the rotary shaft stop at the second position, the transmission gear can still transmit power to a pickup roller to feed a paper into the paper-feeding apparatus without any error.09-20-2012
20100019439SHEET TRANSPORT DEVICE AND IMAGE FORMING APPARATUS EMPLOYING THE SAME - A sheet transport device comprises a sheet feeding path through which a sheet is transported, first and second elements which are located face to face with a particular point in the sheet feeding path and have first and second surfaces, respectively, constituting part of the sheet feeding path and arranged therealong, an interposed element disposed insertably into and withdrawably from a space formed between the first and second elements, and a discharge arrester disposed in first and second surfaces for providing protection against a discharge of static electricity from the sheet, the discharge arrester having a projecting part extending in a direction intersecting the sheet feeding path.01-28-2010
20090152792Solenoid device, automatic document feeder, and image forming apparatus - A solenoid device including a plunger, a solenoid configured to cause a displacement of the plunger, and a driving control unit configured to control driving of the solenoid. The driving control unit supplies current pulses to the solenoid and changes a pulse interval of the current pulses.06-18-2009
20100090391NIP RELEASE SYSTEM - Methods and system for reducing sheet skew in a sheet transport system are disclosed. A sheet transport system may include an idler wheel, a drive wheel a drive motor and an actuator. The idler wheel may have a substantially rigid outer layer. The drive wheel may have a compliant outer layer and may correspond to the idler wheel. The drive motor may be operably connected to the drive wheel and may be configured to cause the drive wheel to rotate around a shaft. The actuator may be operably connected to the drive wheel and configured to cause the drive wheel to move between a closed position and an open position. The drive wheel is configured to contact a sheet in the closed position and to not contact a sheet in the open position.04-15-2010
20090026689Sheet conveying device, and image forming apparatus including same - A sheet conveying device, that can be included in an image forming apparatus, includes a drive source, a drive roller driven by the drive source, a driven roller to press against the drive roller and rotate with the drive roller, an angular velocity detector to detect an angular velocity of the drive roller, a timing estimation unit to estimate a timing when a sheet-type recording medium enters between the drive roller and the driven roller, and a controller to control the drive source based on detection results obtained by the angular velocity detector. The controller includes a feedback control unit to perform feedback control based on data obtained by the angular velocity detector, and a feed-forward control unit to perform feed-forward control based on data obtained by the timing estimation unit.01-29-2009
20090152794RECORDING APPARATUS - A recording apparatus includes guide rails that each control the posture of a carriage at an arbitrary recording position by being in contact with the carriage. The guide rails are disposed on respective sides of a guide shaft in a direction in which a recording medium is conveyed. The length of a gap between the recording medium and the carriage is selectable between a case where the carriage is in contact with one of the guide rails and a case where the carriage is in contact with the other guide rail. Such a configuration provides a compact and low-cost recording apparatus capable of performing recording on recording media having various thicknesses by appropriately adjusting the gap between the carriage and any of the recording medium while maintaining the parallelism therebetween.06-18-2009
20090152793Paper feeding device - In order to enable a plurality of paper rolls having different diameters in an unused (new) state to be mounted freely according to a choice of a user, and to increase convenience for a user.06-18-2009
20100084804SYSTEMS AND METHODS FOR CONTROLLING SUBSTRATE FLATNESS IN PRINTING DEVICES USING VACUUM AND/OR THE FLOW OF AIR - Systems and methods are provided for controlling substrate flatness for sensor measurements in printing device using vacuum and/or the flow or air. A source of low pressure, such as a vacuum, may be provided. A printed sheet of media may be transported between upper and lower transport baffles that are generally spaced apart to permit the sheet of media to pass. Located on one of transport baffles may be a sensor to measure a property of the printed sheet. The source of low pressure is connected to the one of the transport baffle so as to draw the surface of the sheet toward the sensor. In addition, air flow may be directed to the opposite surface of the sheet to urge it toward the sensor.04-08-2010
20080308994Medium transferring mechanism and medium processor - A medium transferring mechanism for transferring a sheet medium in a medium transferring direction, comprising: a medium inserting portion into which the sheet medium is inserted, the medium inserting portion defined by a bottom face and by a first side face and a second side face which extend from the bottom face and opposed to each other; a medium transferring path formed at a forward end of the medium inserting portion, and operable to guide the sheet medium in the medium transferring direction; a feeding member disposed at a side of the first side face and operable to feed the sheet medium to the medium transferring path; and a pressing member disposed at the side of the second side face and operable to press the sheet medium against the feeding member, wherein a first guide face extending toward the first side face is formed at a forward end portion of the second side face; a second guide face extending from the second side face so as to gradually get close to the medium transferring path towards the medium transferring direction is formed above the first guide face; and a third guide face inclined downward from a lower edge of the second guide face toward an upper edge of the first guide face, is formed between the first guide face and the second guide face.12-18-2008
20090295063SHEET FEEDING DEVICE - A sheet feeding device includes a sheet support, a restricting portion, a displacement section, and a link section. The restricting portion slides along a line passing through restricting points. The restricting portion restricts the position of the sheet when the restricting portion is positioned at each of the restricting points. The link section interlinks the restricting portion and the displacement section. The position of the displacement section is detected. The link section, which interlinks the restricting section and the displacement section, is configured to change a ratio of a distance that the displacement section travels as the restricting section travels a fixed distance, wherein the ratio of the distance between those restricting points which define a relatively large spacing therebetween becomes longer than the ratio of the distance between those restricting points which define a relatively small spacing therebetween.12-03-2009
20080308995Automatic document feeder, image reading system including same, and image forming apparatus including same - An automatic document feeder, included in an image reading system that can be included in an image forming apparatus, is configured to transfer an original document to an image reader included in the image reading system, and includes a first drive unit configured to include a first motor to drive the document separation and feed unit, a second drive unit configured to include a second motor to drive the document conveyance unit, a third drive unit configured to include a third motor to drive the document discharging unit, where at least two motors of the first, second, and third motors disposed in a substantially in-line arrangement, and a cooling member configured to supply a coolant to the at least two motors disposed in a substantially in-line arrangement, to the first, second, and third motors, in that order.12-18-2008
20080290582PILE BOARD FOR A PRINTING PRESS - The present invention discloses a pile board for a printing press, waste-free and easy to handle. The sheet pile board 11-27-2008
20100032885Bidirectional-to-unidirectional transmission system and sheet feeding apparatus using the same - A transmission system includes a rotatable main gear, first and second transmission gears rotatably and movably disposed and respectively in constant mesh with the main gear, and first and second power output components rotatably disposed and in constant mesh with each other. The first and second transmission gears detachably mesh with the first and second power output components respectively. The main gear is rotated counterclockwise to drive the second transmission gear away from the second power output component, and to drive the first transmission gear to mesh with the first power output component to rotate the first and second power output components. The main gear is rotated clockwise to drive the first transmission gear away from the first power output component, and to drive the second transmission gear to mesh with the second power output component to rotate the second and first power output components.02-11-2010
20090230607Image forming apparatus and computer program product - An image forming apparatus selects a printing sheet of a size according to a printing condition when printing an image. The image forming apparatus includes a setting unit that sets a target printing sheet on a feed source that can feed recording sheets of a plurality of sizes.09-17-2009
20100013141ADJUSTABLE FORCE PINCH ROLLER - A pinch roller assembly useable in a document processing system is disclosed. The pinch roller assembly includes a pinch roller housing movable in a direction substantially perpendicular to a path of travel of documents. The pinch roller assembly also includes a pinch roller rotatably mounted to the pinch roller housing and located adjacent to the path of travel of documents, and a biasing member arranged to exert a biasing force on a deflection element. The deflection element directs the biasing force onto the pinch roller housing.01-21-2010
20100194028CONTINUOUS FEED REMOTE CONTROL FOR SLOW SPEED PAPER MOTION - Systems and methods are described that facilitate remotely controlling paper feed-forward mechanisms on multiple printers in a continuous feed print line, to reduce operator movement during simplex and/or duplex printing and increase print line throughput. The remote control detects a print line (e.g., by user input, a beacon signal provided by the print line, or by some other means), and retrieves IP addresses for printers in the detected print line. A display is provided by which the user selects an identified printer to control, and by which the user then activates and/or deactivates the feed-forward mechanism on the selected printer. Optionally, the remote control functionality is provided as a software package installed on a personal digital assistant (PDA) or smartphone.08-05-2010
20100156027ITEM FEEDER WITH OVERTHICKNESS DETECTION - An item feeder includes a deck for supporting items, a transport element for transporting the items along the deck on a transport path from an upstream loading area through a downstream receiving passage, a drive element for driving the transport element, and a cover element comprising a leading edge. The cover element may be movable between a closed position in which the leading edge is disposed at a first distance from the deck, and an open position in which the leading edge is disposed at a second greater distance from the deck. The leading edge may engage transported items having a thickness greater than the first distance to move the cover element out of the closed position. The item feeder further includes a controller for controlling the drive element, wherein the controller is configured to stop the drive element when the cover element is moved out of the closed position.06-24-2010
20090039586CARD PROCESSOR - A card processor of the present invention has a carriage mechanism rotatably supporting a roller, around which a carriage belt is to be wrapped, with respect to a frame, wherein the roller of the carriage mechanism is incorporated into a fixing member so as to be rotatably held in the fixing member, and the fixing member with the roller incorporated therein is made installable into the frame.02-12-2009
20090115119Apparatus for the Timed Deflection of Planar Objects - By means of a feed conveyor (05-07-2009
20100295234Paper stopper mechanism for paper-feeding apparatus - A paper stopper mechanism for paper-feeding apparatus, which has simplified structure and commonly uses one motor to stop papers. The paper stopper mechanism includes a rotary shaft driven by a drive shaft via a gear assembly, a stopper plate disposed on the rotary shaft, which is movable between a first position and a second position along with the rotation of the rotary shaft, and a resilient member positioned between the rotary shaft and a transmission gear of the gear assembly. There is frictional force between the rotary shaft and the transmission gear, whereby the transmission gear can drive the rotary shaft to rotate. When the stopper plate and the rotary shaft stop at the second position, the transmission gear can still transmit power to a pickup roller to feed a paper into the paper-feeding apparatus without any error.11-25-2010
20090066006MEDIUM FEEDING UNIT AND IMAGE FORMING APPARATUS HAVING THE SAME - A medium feeding unit having an improved structure for sensing that the number of print media loaded onto a loading plate is equal to or exceeds a predetermined remaining number, and an image forming apparatus having the same. The medium feeding unit includes a sensor that outputs sensing signals having different voltages according to quantities of received light. The medium feeding unit also includes a plurality of actuators that sense the number of print media on a loading plate, differentially intercept the sensing area of the sensor thus changing the voltage level of the sensing signal, and therefore signal the medium feeding unit when the number of print media on the loading plate falls below the predetermined remaining number.03-12-2009
20090200727BUCKLE PLATE DEVICE - A buckle plate device for a folding machine comprises a buckle plate (08-13-2009
20110133387SHEET PROCESSING APPARATUS AND METHOD OF ADJUSTING A VERTICAL POSITION OF A SHEET INPUT OF A SHEET PROCESSING APPARATUS - A sheet processing apparatus and method of adjusting a vertical position of a sheet input of a sheet processing apparatus includes a support of the apparatus having first vertically elongated guiding members and second vertically elongated guiding members. The second guiding members are slideably arranged at the first guiding members. The first guiding members are connected to at least one base member, and the second guiding members are connected to a support frame. A vertical position of at least one of the second guide members is adjustable relative to a corresponding one of the first guide members in order to adjust a vertical position of the sheet input.06-09-2011
20090174132Label sheet positioning device of barcode printer - A label sheet positioning device is provided for a barcode printer, including a pressure regulation seat having two pressure adjusting knobs and at least one universal adjusting knob mounted to a top thereof. The pressure adjusting knobs serve to adjust pressure for positioning in the upward-downward direction of a label sheet of the barcode printer. The universal adjusting knob functions to realize fine adjustment of pressure for positioning in a universal adjustable manner that the pressure regulation seat applies to the label sheet. At least one universal adjusting mechanism is coupled to bottom of the pressure regulation seat for effecting adjustment of inclination direction by the universal adjustment realized by the universal adjusting knob. At least one printing head holder is coupled to a front portion of the universal adjusting mechanism and has a bottom coupled to a printing head, whereby the printing head holder is subjected to adjustment of pressure in upward-onward direction by the pressure adjusting knobs of the pressure regulation seat and is also subjected to fine adjustment of inclination direction by the adjustment that the universal adjusting knob applies to the universal adjusting mechanism to effect universal fine adjustment for the printing head holder and the printing head in order to ensure tight engagement of the printing head with respect to the label sheet of the barcode printer. Thus, a label sheet positioning device featuring universal fine adjustment of inclination direction is provided.07-09-2009
20090026690Multi-Feed Detection Independent of Number of Sheets or Type of Sheets - This is a simple and effective multi-feed system for use in marking apparatus where the transport of paper or other media is vital. The system is independent of the weight or type of paper used as was not the case in the prior art. The present system employs the natural strength and thickness of the paper to separate one sheet from the other. This separation is used to trigger a detector alerting the system of a multi-feed of paper.01-29-2009
20100052242WARPAGE LEVELING UNIT, WARPAGE LEVELING DEVICE, IMAGE FORMING APPARATUS AND WARPAGE LEVELING PROCESSING PROGRAM - A warpage leveling unit includes a surface roughening member that is provided to oppose to a side end portion of an image carrier which has an endless-belt-shape, is entrained around a plurality of rollers, and carries an image on a surface of the image carrier, wherein the surface roughening member comes into contact with a surface of the side end portion which is warped.03-04-2010
20090033021Printing apparatus - This disclosure discloses a printing apparatus comprising a feeding device that applies a driving force to feed a print-receiving medium; a print forming device that performs a print forming process on the print-receiving medium; a harmonization controlling portion that harmonizes and controlling a driving speed of the feeding device and the print forming process operation of the print forming device, based on an input of print information by using a predetermined harmonization correlation; and a harmonization changing portion that changes the harmonization correlation according to properties of the print-receiving medium or a bonding medium to be bonded thereto.02-05-2009
20090102113Paper-blocking mechanism and printer using the same - A paper-blocking mechanism is disposed in a printer. The printer includes at least a main body and an exit roller. The paper-blocking mechanism includes a stopper portion and a stopper elastic element. The stopper elastic element is fixed on the printer and is compressibly connected with the stopper portion. When the tail of the paper leaves the stopper portion, the stopper elastic element drives the stopper portion to rise to be higher than the surface of the exit roller to block the paper exit lest the paper might be back-rolled and jammed.04-23-2009
20100032884SYSTEM AND METHOD FOR SLIP SHEET EVACUATION - A system and method for slip sheet disposal from a plate imaging device or printing device comprises a slip sheet dispensing means configured for dispensing the slip sheets from the plate imaging device and an air release module configured to apply air flow between the slip sheets and the slip sheet sliding tray during the slip sheets dispensing from the plate imaging device or printing device.02-11-2010

Patent applications in class FEEDING

Patent applications in all subclasses FEEDING