Patents - stay tuned to the technology

Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Advancer

Subclass of:

271 - Sheet feeding or delivering

271800100 - FEEDING

271145000 - Pack holders

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
271147000 Advancer 89
20080309003NUDGER FORCE PRELOAD ADJUSTMENT - A device for moving a sheet of media in a device or machine for handling stacks of media is provided. The device includes a roll, an arm, and a bias element. The roll may be in contact with the sheet of media. The arm may be coupled to the roll. The bias element has a first end and a second end. Either the first end of the bias element is adjustably coupled to the arm or the second end of the bias element is adjustably coupled to the body. The body supports the bias element. The first end of the bias element may be coupled to the arm and the second end may be capable of adjustably coupling with the body in at least two positions (e.g., two or more of a nominal load setting, a reduced load setting, and an increased load setting).12-18-2008
20080309004PAPER SUPPLY APPARATUS FOR A PRINTING DEVICE - A paper supply apparatus to supply paper to printing devices such as printers or copiers. The paper supply apparatus includes a knock-up plate on which papers are stacked, a pick-up roller that feeds the papers into the printing device by picking up the papers stacked on the knock-up plate, a lifter that lifts the knock-up plate so that the papers stacked on the knock-up plate continuously contact with the pick-up roller, a motor for driving apparatuses in the printing device, a spring clutch that connects the motor to the lifter to transmit power, and a brake lever that selectively transmits power according to height variations of the pick-up roller via the spring clutch. In the paper supply apparatus, since the knock-up plate can be lifted using the power of the motor that is used for driving other apparatuses of the printing device, an exclusive motor for supplying paper is unnecessary, thereby reducing the number of parts and power consumption.12-18-2008
20090057989Paper Feeder - A paper feeder comprising an actuator and a sensor mounted on a main body, the actuator being capable of contacting an upper surface of a sheet placed on a bottom plate provided in a sheet tray as the bottom plate is raised, thereby allowing the sensor to detect that the sheet is present. The paper feeder further comprises a through bore formed in the bottom plate for receiving the actuator when a sheet is absent from the sheet tray, so that the sensor may detect that the sheet is absent, and a push-out guide provided on peripheries of the through bore for contacting the actuator in the through bore as the sheet tray is pulled out, thereby pushing the actuator upward out of the through bore.03-05-2009
20090189336PAPER FEEDING CASSETTE AND PAPER FEEDING DEVICE - An aspect of the invention provides a paper feeding cassette that comprises a cassette body; a front face wall disposed at a front end of the cassette body so as to be elevated from a bottom wall of the cassette body; a medium-stacking member disposed so as to be swingable about a support shaft relative to the cassette body by using the support shaft as a swinging center, the medium-stacking member configured to have a medium thereon stacked inside the cassette body; and a biasing unit configured to bias the medium-stacking member so as to bring the medium into contact with a feeder, wherein the front face wall comprises a face which regulates the medium along a trajectory drawn by a front end of the medium-stacking member in accordance with a swinging movement of the medium-stacking member.07-30-2009
20090243196Sheet feed tray and image forming apparatus - A sheet feeding tray includes a frame member, and freely upwardly swingable plural bottom plates arranged on the frame member side by side perpendicular to a sheet feeding direction. The bottom plates cooperatively support a stack of envelope recording mediums. A lifting device having plural curvature sections is provided. The plural curvature sections are respectively arranged below the bottom plates to scuff and lift the lower surface of the plural bottom plates at a section downstream of the sheet feeding direction. The plural curvature sections each include a different outline in accordance with a difference of a decreasing amount of a thickness of the stack during sheet feeding. The different outlines enable the topmost surface of the stack to be almost horizontal.10-01-2009
20090295070SHEET FEEDER AND IMAGE FORMING APPARATUS - The present invention provides a sheet feeder, which can reliably feed a sheet without requiring the extra operation of a regulating member, and an image forming apparatus.12-03-2009
20090309295SHEET FEEDER AND IMAGE FORMING APPARATUS HAVING THE SAME - A device for supplying sheets including a main body; a sheet feed cassette; a lift plate; a lift plate lifter mechanism; and a drive device for the mechanism; in which a lift side coupling gear is engaged with a drive side coupling gear of the drive device when the sheet feed cassette is stored in the main body, and is displaceably supported in a direction of toward and away from with respect to the drive side coupling gear in a range where the engagement of the gears is not released.12-17-2009
20100156034MEDIA CASSETTE - A media cassette comprises a housing defining a closeable pick window; an urging plate biased towards the pick window for urging a stack of media items towards the pick window; a detent located distal from the pick window for limiting movement of the urging plate when the pick window is closed; and a detent moving mechanism operable to move the detent when the pick window is opened. The media cassette allows the urging plate to exert less force on the stack of media items by expanding the space available for media items located within the cassette by activating the detent moving mechanism.06-24-2010
20100156035MEDIA CASSETTE - A media cassette includes a body having a removable lid. The media cassette comprises a housing defining a closeable pick window; an urging plate biased towards the pick window for urging a stack of media items towards the pick window; a detent located distal from the pick window for limiting movement of the urging plate; and a detent moving mechanism operable to move the detent. The detent moving mechanism may be operated by engaging the removable lid or by insertion of the cassette into a media handler. The media cassette allows the urging plate to exert less force on the stack of media items by expanding the space available for media items located within the cassette by activating the detent moving mechanism.06-24-2010
20100270734TRAY ASSEMBLY FOR A PRINT PRODUCTION RESOURCE - A tray assembly for a print production resource may include a tray and a guide assembly. The guide assembly may include a first width guide configured to contact a first side of a media stack at a first location below a top sheet of the media stack such that a first distance exists between the top sheet and the first width guide. The guide assembly may include a second width guide configured to contact a second side of the media stack at a second location below the top sheet of the media stack such that a second distance exists between the top sheet of the media stack and the second width guide. The first side may be opposite the second side, and the tray assembly may be configured to be utilized with a top sheet feeder mechanism.10-28-2010
20100276869SHEET STACKING TRAY ASSEMBLY WITH GEOMETRIC PROTUBERANCES - A sheet stacking tray assembly may include a tray having a lead surface and an elevate plate. The lead surface may include one or more first geometric protuberances. At least one edge of the elevate plate may include one or more second geometric protuberances that are complimentary to the first geometric protuberances. The lead surface may be configured to interlock with the edge of the elevate plate to form a support area for one or more sheets.11-04-2010
20110127713FEEDING DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME - The feeding device includes a storage unit, a feeding roller which rotates while contacting the uppermost sheet stored in the storage unit to move the uppermost sheet forward, a separation plate disposed forward in the movement direction of the uppermost sheet and provided with an inclined surface inclined with respect to the movement direction, and a separation auxiliary member is disposed along the inclined surface of the separation plate and operated by a force received when the uppermost sheet comes in contact. The separation auxiliary member includes a rotation shaft parallel with the inclined surface, and a first resistance part rotating about the rotation shaft as the center from an initial position projecting from the inclined surface to an embedded position embedded in the inclined surface as a friction coefficient of the first resistance part is higher than that of the inclined surface and the received force is increased.06-02-2011
20120119434SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS - A sheet feeding apparatus that can prevent changes at the time of mounting a sheet cassette, and deformation and changes of the sheets after the sheet cassette is mounted regardless of a sheet size are provided. A movable side regulating plate provided in a frame, regulates positions of width direction side ends of sheets is provided with sheet pressing portions and that press the side ends of the sheets to press the sheets against a fixed side regulating plate in a biasing manner. An indented configuration against which, when short sheets are pressed by the sheet pressing portion are stacked on a sheet stacking plate, upstream ends of the sheets do not abut is formed upward from a bottom end of the sheet pressing portion to a predetermined dimension at a sheet feeding direction center of the sheet pressing portion.05-17-2012
20120228820Recording-Sheet Retaining Device - A placement plate for placing a recording sheet is provided in a case to be movable upward and downward. A regulating member is supported by the case to be slidable in the width direction of the recording sheet. A locking section is provided on at least one of the placement plate and the regulating member so as to lock the placement plate with respect to the regulating member when the regulating member is located in an area different from an area between the maximum size and the minimum size at the edge of the recording sheet in the width direction.09-13-2012
20120256367SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS - The present invention relates a sheet feeding apparatus with a lifting and lowering mechanism in a sheet deck 10-11-2012
20120267844PAPER FEEDING DEVICE AND IMAGE FORMING APPARATUS - A remaining amount detector measures beforehand a distance H where there is one sheet. A motor displaces a lifting plate to a paper-feeding position upon storing paper in the feeding unit. The remaining amount detector measures a distance y10-25-2012
20130062827SHEET FEEDER AND IMAGE FORMING SYSTEM - A sheet feeder is disclosed for feeding sheets from a stack by one sheet in a sheet feeding direction, the one sheet being an uppermost sheet of the sheet stack. The sheet feeder includes: a sheet stacker for accommodating the sheet stack therein; a side fence to regulate side ends of the sheets and movable in a direction perpendicular to the sheet feeding direction; a slide shaft arranged in the side fence and extending in a vertical direction; a link member that swings as the side fence moves, a first end of the link member configured to be slidable along the slide shaft, and a second end of the link member configured to be pivotable about a pivot point, which is arranged on a side wall of the sheet stacker at a position lower than the first end; and a swing stopper unit that stops swing of the link member.03-14-2013
20130134656Image Forming Apparatus - An image forming apparatus is provided that includes a swing member swinging between a first position where a force for moving a pressing plate upward is transmitted to the pressing plate and a second position where transmission of the force is interrupted, a latchet mechanism that forbids the pressing plate to move downward and includes a latchet gear rotating in conjunction with a motion of the pressing plate and a latching member that is movably attached to the swing member and configured to forbid rotation of the latchet gear by engaging with the latchet gear, and a pressing member that applies a pressing force to the latching member when the swing member is in the second position and does not apply the pressing force to the latching member, and render the latching member movable relative to the swing member when the swing member is in the first position.05-30-2013
20130134657SHEET FEEDER AND IMAGE FORMING APPARATUS THEREWITH - A sheet feeder has a sheet accommodating portion, a lift plate, an actuating plate, and an actuating plate driving member. The lift plate is supported on the bottom face of the sheet accommodating portion such that an end part of the lift plate is rotatable. The actuating plate raises and lowers the lift plate by moving between a first position where it lies flat along the bottom face of the sheet accommodating portion and a second position where it is raised a predetermined angle from the bottom face of the sheet accommodating portion. The actuating plate driving member has the actuating plate fixed thereto. The engagement portion is provided on the reverse face of the lift plate, and engages with the actuating plate when this is in the first position and disengages from the actuating plate as the actuating plate rotates from the first position to the second position.05-30-2013
20130161899SHEET AMOUNT INDICATOR AND IMAGE FORMING APPARATUS - Disclosed is a sheet amount indicator for use in a sheet-feeding tray. The sheet-feeding tray includes a sheet stacking part having a base plate where sheets are stacked, and the base plate is configured to rise up for feeding of a topmost sheet stacked. The sheet amount indicator includes a viewing part disposed on an outer surface of the sheet stacking part, an indicator member configured to move as seen through the viewing part, a cooperative mechanism configured to move in accordance with a vertical movement of the base plate, and an amplifying mechanism disposed outside the sheet stacking part and connected to the cooperative mechanism so as to amplify the movement of the cooperative mechanism to transmit the amplified movement to the indicator member.06-27-2013
20130221608RECORDING MEDIUM FEEDING DEVICE AND RECORDING APPARATUS - A recording medium feeding device includes a lower stage side tray which stores a recording medium, an upper stage side tray which is provided above the lower stage side tray and stores the recording medium, a first separation inclined surface which is opposite to a tip of the recording medium which is stored in the lower stage side tray and the upper stage side tray and extends along a feed path of the recording medium, and a second separation inclined surface in which a trailing end in the feed path is positioned below a bottom surface of the upper stage side tray, and thus, which is opposite to the tip of the recording medium which is stored in the lower stage side tray and is not opposite to the tip of the recording medium which is stored in the upper stage side tray.08-29-2013
20130234386TRANSPORT DEVICE, TRANSFER DEVICE, AND IMAGE FORMING APPARATUS - A transport device includes a transporting member that transports an object that is wound around an outer peripheral surface thereof by rotating; a holding unit that is rotatably supported by the transporting member at a first end thereof, the holding unit holding a leading end of the object in a transport direction by gripping the leading end between a second end thereof and the outer peripheral surface when the object enters a space between the second end and the outer peripheral surface; and a positioning unit disposed on the transporting member or the holding unit so as to be movable downstream in a direction in which the object enters the space. The positioning unit contacts the leading end of the object that has entered the space and positions the object in the transport direction when the holding unit moves to hold the object.09-12-2013
20130264766SHEET LOADING DEVICE AND IMAGE FORMING APPARATUS EQUIPPED WITH THE SAME - A sheet loading device positioned in an image forming apparatus includes a frame and a loading plate located on an upper surface portion of the frame. The loading plate, in association with, the upper surface portion allows the sheet to be loaded on thereon. The loading plate includes a sheet loading member that supports a downstream side of the sheet in a sheet feed direction, and can be raised and lowered with respect to a sheet transportation path, and a cover member that is located between the sheet loading member and the upper surface portion. The cover member covers a gap formed between the sheet loading member and the upper surface portion when the sheet loading member is in a raised position.10-10-2013
20140021680SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS - A sheet feeding apparatus of the present invention includes a feeding apparatus body, a storage case body, a storage case caster which movably supports the storage case body in a pull-out direction, and a drop-out preventing units having a pull-out stopper which regulates a pull-out position of the storage case body from the feeding apparatus body, a storage case stopper which is provided at a rear end in the pull-out direction of the storage case body, an upper-face rail portion which is formed in the feeding apparatus body to guide the storage case stopper into the pull-out direction, and a drop-out stopper which is engaged with the storage case stopper at the rear end in the pull-out direction compared to the pull-out stopper to regulate a movement of the storage case body toward the pull-out direction, if the storage case body is rotated with a predetermined angle or more.01-23-2014
20140125005SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS - A sheet stacking portion is provided in a sheet storing portion in which sheets are stored. The sheet stacking portion is suspended by a wire which is wound up and wound off. The sheet stacking portion is raised and lowered by winding up and winding off the wire. Then, when the wire is in a slack state, a fixing portion fixes the sheet stacking portion to the sheet storing portion. When the wire is in a tensioned state, the fixing of the sheet stacking portion is released.05-08-2014
20140210157SHEET FEEDER AND IMAGE FORMING APPARATUS INCORPORATING SAME - A sheet feeder, which is included in an image forming apparatus, includes a sheet tray on which a recording medium is loaded, a regulating member, a link mechanism, and a guide storage. The regulating member is movably disposed to regulate a position of the recording medium loaded on the sheet tray and has guide portions having a height higher than a maximum possible thickness of a sheet stack loadable on the sheet tray and the height thereof is changeable. The link mechanism rotatably supports the sheet tray with respect to a tray storing position and a sheet feeding position. The guide storage stores the guide portions of the regulating member as the link mechanism moves the sheet tray from the sheet feeding position to the tray storing position and has a depth set to be greater than a length in a height direction of the guide portions.07-31-2014
20140291917SHEET TRANSPORT APPARATUS AND IMAGE RECORDING APPARATUS - A sheet transport apparatus includes a first casing in which a transport path is formed; a transport unit which transports a sheet along the transport path; a second casing which is provided to be movable with respect to the first casing; a sheet support unit which is rotatably provided in the first casing at a position on a side to which the second casing is moved, the sheet support unit being changeable between a first state, a second state, and a third state and supporting the sheet at least in the third state; and an urging unit which urges the sheet support unit toward the first state within a range from the first state to the second state and which urges the sheet support unit toward the third state within a range from the second state to the third state.10-02-2014
20140346728SHEET FEED DEVICE AND IMAGE FORMING APPARATUS - A sheet feed device comprises: a sheet feed tray configured to be enabled to be drawn from a main body of an image forming apparatus; a bottom plate arranged in the sheet feed tray and configured to stack thereon a plurality of sheets; a driving unit configured to move the bottom plate upward; a drive transmitting unit configured to transmit a driving force from a drive source arranged on the main body to the driving unit; and a one-way rotation transmitting unit configured to unidirectionally transmit input from the drive transmitting unit to the driving unit and configured to be arranged on one side of the drive transmitting unit opposite to a side connected to the driving unit.11-27-2014
20150028537SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS - A sheet feeding apparatus includes a stacking plate configured to stack sheets, a sheet feeding unit configured to feed the sheets by contacting the sheets stacked on the stacking plate, an elevating unit configured to elevate the stacking plate by a drive transmitted from a drive unit, a drive transmission unit configured to transmit the drive from the drive unit to drive the sheet feeding unit, and a clutch mechanism configured to cause the drive transmission unit to transmit the drive from the drive unit to the sheet feeding unit after the elevating unit urges the sheets stacked on the stacking plate toward the sheet feeding unit by elevating the stacking plate.01-29-2015
20150084270APPARATUS FOR ACTUATING A LIFT PLATE OF A MEDIA TRAY - An apparatus for actuating a lift plate of a media tray is disclosed herein. An example of the apparatus includes a rocker assembly adjacent the lift plate and a slide assembly coupled to the rocker assembly to actuate the rocker assembly subsequent to insertion of the media tray in a printing device, thereby raising the lift plate. The apparatus additionally includes a lock assembly to release the lock assembly upon initiation of opening of the media tray, thereby allowing the lift plate to lower prior to such removal. A media tray and method for actuating a lift plate of a media tray are also disclosed herein.03-26-2015
20150293490IMAGE FORMING APPARATUS - The image forming apparatus includes a sheet storing unit insertably and pullably attached to the frame unit, an image forming unit, and a frame unit. The frame unit includes two frame members parallel to each other with a predetermined distance therebetween and are connected and fixed to each other. The two frame members respectively include engaged portions. The sheet storing unit includes engaging portions respectively engageable with the engaged portions in a state where the sheet storing unit is inserted in the frame unit. In a state where the engaging portions respectively engage with the engaged portions, the engaging portions that respectively engage with the engaged portions and a portion between the two engaging portions of the sheet storing unit serve as strengthening members to regulate deformation of the two frame members by at least a predetermined amount.10-15-2015
20150298920MEDIUM PROCESSING DEVICE - A medium processing device including a holding section that includes an opening forming a medium insertion port, and that holds a medium inserted through the insertion port, a medium press section that is capable of moving between a first end side wall and a second end side wall of the holding section, and that presses the medium inserted through the insertion port against the second end side wall of the holding section, and an opening-out section that spans between the medium press section and the first end side wall of the holding section, and that opens out in a medium non-holding area between the medium press section and the first end side wall of the holding section accompanying movement of the medium press section from the first end side to the second end side of the holding section in order to press the medium inserted into a medium holding area between the medium press section and the second end side wall of the holding section against the second end side wall of the holding section.10-22-2015
20150307298SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS - A sheet feeding apparatus includes an apparatus body, a sheet feed portion, a sheet storage portion, and a resistance unit. The resistance unit includes a link member that is pivoted by coming in contact with the apparatus body when the sheet storage portion is mounted on the apparatus body toward a feed position, and is configured such that a distance between a normal line, in an contact surface with the apparatus body, and a pivot center becomes longer as the sheet storage portion approaches the feed position, a linear type oil damper generating a resistance force through a linear operation in accordance with pivoting of the link member, and a transmitting portion that is provided between the link member and the linear type oil damper, linearly moves due to the pivoting of the link member, and transmits the pivoting of the link member to the linear type oil damper.10-29-2015
20160060050SHEET STORAGE DEVICE AND IMAGE FORMING APPARATUS - A sheet storage device, including a storage tray configured to store a sheet therein; a board, on which the sheet to be stored in the storage tray is placed, the board being configured to be swingably supported by the storage tray at a first position closer to a first end thereof than a second end being opposite from the first end to swing about a swing axis; and a projection configured to protrude from a bottom of the storage tray toward the board, the projection including a contact part being configured to contact the board member at a second position closer to the second end than to the first end of the board, is provided. A length of the contact part along an axial direction of the swing axis is smaller than a length of the board at the second position closer to the second end.03-03-2016
20160122140SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS - A sheet stacking portion for stacking sheets is provided on a cover openably/closably supported on an apparatus body. The sheet stacking portion is guided between a first position and a second position along the cover by a guide portion. A sheet staked on the sheet stacking portion at the first position is fed via a sheet feeding portion. The sheet stacking portion is moved in conjunction with a cover closing action from the first position to the second position not interfering with the sheet feeding portion via a moving portion. A first end side of the moving portion is turnably supported on the apparatus body and a second end side is connected to the sheet stacking portion.05-05-2016
20160159588SHEET STACKING APPARATUS AND IMAGE FORMING APPARATUS - A sheet stacking apparatus includes a door pivotable relative to an apparatus main body, a sheet stacking unit, on which sheets are stacked, provided in the door, and a load application unit. When the door is closed, the sheet stacking surface is tilted with one end side located higher than the other end side. When the door is opened, the sheet stacking surface is tilted with the one end side capable of being located lower than the other end side. The stopper portion prevents the sheets on the sheet stacking unit from falling when the door is opened. If the door is opened, the load application unit applies load to a pivot of the door before the sheet stacking surface becomes substantially horizontal.06-09-2016
20180024488TRANSPORT APPARATUS01-25-2018
20190144222MEDIUM PROCESSING DEVICE05-16-2019
271149000 For on-edge or imbricated sheets 5
20080251993Method And Apparatus For Magazine Pressure Control - A magazine pressure control is provided with pressure control wheels that are designed to regulate pressure on carton blanks being fed to a folder/gluer in a carton forming operation. These wheels are disposed around the periphery of the carton blank to urge the edges of the cartons forward and to straighten misaligned cartons. A separately controlled motor operates each half of the magazine pressure control. Each motor is controlled by a pressure sensor assembly and regulates the progression of the carton blanks through the magazine pressure control to equalize the pressure around the periphery of the carton blanks as they are presented to the pick face of the folder/gluer.10-16-2008
20120086164Recording Apparatus - A recording apparatus of the disclosure includes a recording unit that performs a recording process on a subject recording medium, a cassette body that accommodates the subject recording medium, a subject recording medium cassette opening that is provided in the cassette body and supplies the subject recording medium therefrom, a movable portion that switches to a closed state in which the subject recording medium cassette opening is closed or an opened state in which the subject recording medium is able to be supplied from the subject recording medium cassette opening, a lock portion that locks the movable portion in the closed state, and an insertion portion that is provided in the movable portion so that a feeding roller is able to be inserted therethrough.04-12-2012
20120223475Recording Apparatus - A recording apparatus includes a supply holding section that holds paper, which is supplied to a printing section, in an overlapping manner; a paper discharging roller that discharges the paper from the printing section; a discharge holding section that holds the paper, which are discharged from the paper discharging roller, in an overlapping manner, and is installed movably to the supply holding section, in an overlapping manner; and a moving unit that is moved to move the discharge holding section to the supply holding section so as to widen a difference of a height between the discharge holding section and the paper discharging roller according to a decrease of a holding amount of the paper in the supply holding section.09-06-2012
20140284873PAPER-SHEET STACKING APPARATUS - According to one embodiment, a paper-sheet stacking apparatus includes a holding unit, a pushing mechanism, a backup, and a variable-force spring mechanism. The holding unit has a stacking base for holding a plurality of paper sheets in standing position and is configured to stack the paper sheets, one laid on another in a direction of a plane. The pushing mechanism is configured to push paper sheets transported, into the holding unit. The backup opposed to the pushing mechanism, is able to move in the direction the paper sheets are stacked and is configured to hold any paper sheet stacked between the backup and the pushing mechanism and to move away from the pushing mechanism as paper sheets are stacked one after another.09-25-2014
20160176665CASSETTE FOR STORING SHEET MEDIA06-23-2016
271152000 Control of advancer responsive to sensing of foremost sheet 23
20100038843SENSORS AND VARIABLE POSITIONED LIFT PLATES FOR LAMINATED STOCKS IN PAPER TRAYS WITH A TOP VACUUM FEEDER - An apparatus, method and system for a feeding a sheet in a document reproduction machine. A feedbox is contained within a document reproduction machine. Within the feedbox, an elevator moves at least one sheet to the upper portion of the feedbox, to a stack height finger, for feeding the sheet into a feed device. At least one sensor, located at the upper portion of the feedbox, detects the location of the sheet. The location information is sent from the sensor to a data processing device. The data processing device sends information to an actuating device. The actuating device may cause one or more plungers to move through apertures in the elevator. The plungers will result in a substantially flat sheet. The sheet is then fed into the feed device.02-18-2010
20100038844Media Handling System for Maintaining Stack Top Within Given Range of Pick Positions During Feeding Sheets From Stack Top - A media handling system includes a platform, a bin supporting the platform below and for undergoing movement toward and away from a sheet feeding position, a first motion transmitting assembly coupled between the platform and bin and tailored to counterbalance the weight of the platform and any stack such that as the weight decreases the platform is lifted toward the sheet feeding position to maintain the stack top below a lower limit position thereof, a control mechanism to sense the position of the stack top relative to a given range between the lower limit position to an upper home position, and a second motion transmitting assembly drivingly coupled to the platform via the first motion transmitting assembly and responsive to the control mechanism sensing to cause the first motion transmitting assembly to further lift the platform to and maintain the stack top position within the given range.02-18-2010
20100327514METHOD FOR CONTROLLING STACK-ADVANCING IN A REPRODUCTION APPARATUS - The present invention relates to a method for providing paper stack level calibration in a reproduction apparatus. According to various aspects of the invention, methods are provided for continuous feeding with a transition from one supply to another, and leaving a controlled number of sheets in the prior supply.12-30-2010
20110084440SHEET PROCESSING APPARATUS, SHEET TAKE-OUT APPARATUS, AND SHEET TAKE-OUT METHOD THEREOF - A sheet processing apparatus and a sheet take-out apparatus that prevents a sheet conveyed by a take-out portion from hanging-down and falling, when the take-out portion is stopped due to an emergency. If a take-out emergency process state occurs during the take-out of sheets, the sheet take-out apparatus stops upward movement of a backup plate, moves down feed stoppers, and presses a sheet bundle from above to prevent the sheet on the uppermost surface from being taken out. The sheet take-out apparatus also keeps a rotor air valve on and takes out the sheet caught in a sheet take-in port. When residual sheets on the backup plate are later detected, the sheet take-out apparatus moves down the position of the backup plate, turns off air valves for the rotor, fixed absorbing unit, and handling, and loads a hanging-down sheet on the backup plate, to prevent the sheet from scattering.04-14-2011
20110101600SHEET FEEDING DEVICE - Occurrence of improper sheet-feeding of sheets is reduced. A sheet stacking section is lifted by an amount that is larger when a sheet-feed retry is performed than when an ordinary lifting operation is performed.05-05-2011
20140319757FEEDING DEVICE, FEEDING CASSETTE, AND IMAGE FORMING APPARATUS - There is provided a feeding device for feeding a sheet in which, when a user operates a knob of a second regulating portion disposed on a front side to move the second regulating portion, locking of a first regulating portion disposed on a rear side can be released.10-30-2014
20160378043IMAGE FORMING APPARATUS FOR FORMING IMAGE ON SHEET - An image forming apparatus may comprise the following elements. A stacking unit in which a sheet is stacked. A conveyance unit conveys the sheet. A time-counting unit counts a conveyance time from when the conveyance unit starts to convey the sheet until the sheet arrives at a predetermined position on a conveyance path. A determination unit determines that over stacking has occurred, if the conveyance time of the sheet exceeds a first over stacking threshold value.12-29-2016
271153000 Sensor included in feed mechanism 13
20080230981Paper-Sheet Storing and Feeding Device - A sheet storing/feeding device includes a receptacle for holding standing sheets, a stacking and feeding mechanism to successively carry the sheets into the receptacle and to feed a forefront sheet out of the receptacle. A pushing member configured to be optionally advanced and retracted is provided on the side of the forefront sheet in the receptacle, and a holding member is provided to be in contact with a backmost sheet in the receptacle. A retaining member is provided to be optionally advanced and retracted relative to a storage space defined between the stacking and feeding mechanism and the holding member. The retaining member, when advanced, can hold the sheets in the receptacle between the retaining member and the holding member so as to bring them into a temporary holding state, while, when retracted, can release the paper-sheets in the temporary holding state.09-25-2008
20080290589Sheet supply device - A sheet supply device includes a sheet storing section on which sheets are stacked and are stored; a sheet feed unit controlled by a controller that feeds the sheets stored in the sheet storing section to a next process; and an air blower controlled by the controller that blows air to the sheets stored in the sheet storing section, the air blower has an air nozzle and a shutter that can adjust an area of the air nozzle, and the shutter increases or decreases the air flow rate of the air being blown to the sheets, wherein a force provided by the air blower to push up the sheets is exerted on the sheets, such that a less force is exerted when the sheets are being fed compared to when the sheets are not being fed.11-27-2008
20090008867RECORDING MEDIUM TRAY ASSEMBLY/DISASSEMBLY MECHANISM AND IMAGE FORMING APPARATUS - A recording medium tray assembly/disassembly mechanism to assemble/disassemble a recording medium tray with respect to an image forming apparatus includes a sensor to detect an accommodation operation or an ejection operation of the recording medium tray with respect to the image forming apparatus, and a drive mechanism to accommodate the recording medium tray at an accommodation complete position or ejecting the recording medium tray from the accommodation complete position by being driven according to the detection by the sensor.01-08-2009
20110233851SHEET FEEDER AND IMAGE FORMING APPARATUS PROVIDED WITH THE SAME - A sheet feeder includes a sheet cassette insertable into a housing in a first direction, a remaining amount detecting member including a contact piece extending in a second direction opposite to the first direction and coming into contact with an uppermost sheet, and detecting a remaining amount of sheets according to a position of the contact piece, and a switching member switching the position of the contact piece between a contact position where the contact piece enters a storage space to come into contact with the uppermost sheet and a retracted position where the contact piece is retracted from the storage space. The position is switched to the contact position when the sheet cassette is inserted into the housing in the first direction and set to a feeding position while switched to the retracted position when the sheet cassette is separated from the feeding position and withdrawn from the housing.09-29-2011
20120319348SHEET FEED APPARATUS AND SHEET FEED METHOD - A sheet feed apparatus which includes a sheet feed tray in which a plurality of sheets is loaded in piles; a sheet feed roller which is provided at a forward position of the sheet feed tray in a sheet feed direction, and sends the loaded sheets inside thereof; and a lift detection sensor which detects, by using a movable lever, a lift of a sheet bundle which occurs when the sheet bundle, of which a rear or a side in a sheet feed direction is bound, is sent by the sheet feed roller therein, the lift detection sensor being provided at a side position of the sheet bundle in a width direction and at a backward position with respect to the center of the sheet bundle in the sheet feed direction.12-20-2012
20130241140LARGE CAPACITY AUTOMATIC PAPER TRAY - A large capacity automatic printer paper tray operatively mounts a printing device to its upper extent. A paper support is disposed in a frame of the paper tray and is slideably supported by vertical frame rails. A drive screw rotatably secured in the frame is operatively coupled to the paper support. An actuator motor operatively drives the drive screw to raise and lower the paper support. Lower and upper limit sensors control the motor to limit downward and upward movement of the paper support. A paper pick-up interface plate transfers a top paper from the paper support into a paper pick-up roller of the mounted print device, via a feed roller of the print device. A pull-track sensor operates the motor to maintain a top level of paper on the paper support between a minimum and a maximum pull-track threshold.09-19-2013
20140339761IMAGE FORMING APPARATUS - An image forming apparatus includes a sheet bundle housing unit that houses recording sheets piled as a sheet bundle; a swing member having a sheet contact portion on one end side, and swinging between a projection position at which the sheet contact portion projects above a sheet placement surface of the housing unit and a non-projection position at which the sheet contact portion does not project above the sheet placement surface, the swing member moving from the projection position to the non-projection position by the sheet bundle; a sheet detection unit that detects the sheet bundle in the housing unit using the swing member; and an interlocking mechanism that moves the swing member to the non-projection position, regardless of presence or absence of the sheet bundle in the housing unit, by interlocking with the housing unit being pulled out from an apparatus body.11-20-2014
20150091245SHEET FEED APPARATUS AND IMAGE FORMING APPARATUS INCLUDING THE SHEET FEED APPARATUS - A sheet feed apparatus includes a lifting/lowering plate, a drive portion, a determination portion, and a remaining amount detecting portion. The lifting/lowering plate has a sheet mounting surface on which one or more sheets are placed, and is attached to the sheet feed apparatus in such a manner that the sheet mounting surface can be lifted and lowered. The lifting/lowering plate is made of a flexible material. The drive portion drives and lifts and lowers the lifting/lowering plate. The determination portion determines whether or not the lifting/lowering plate has a warpage. The remaining amount detecting portion detects a remaining amount detection value which indicates a remaining amount of sheets placed on the sheet mounting surface. The remaining amount correcting portion corrects the remaining amount detection value detected by the remaining amount detecting portion, based on a determination result of the determination portion.04-02-2015
20150115521IMAGE FORMING APPARATUS - An image forming apparatus includes: a sheet storage portion having a sheet stacking portion, a sheet feed portion, a drive portion configured to be capable of switching a lifting speed when lifting the sheet stacking portion between a first lifting speed and a second lifting speed, a height detecting portion configured to be capable of detecting the fact that the sheet reaches a decelerating position for switching the lifting speed of the sheet stacking portion from the first lifting speed to the second lifting speed, a time counting portion, and a control unit. The control unit computes the sheet stacking amount of the sheet stacking portion by using a relationship among the lifting time from a start of the lifting operation of the sheet stacking portion until the sheet reaches a decelerating position, the first lifting speed, and a heightwise position of the decelerating position when the sheet stacked on the sheet stacking portion is lifted to the decelerating position at the first lifting speed by the drive portion and then is lifted to a feeding position at the second lifting speed.04-30-2015
20150115522IMAGE FORMING APPARATUS - An image forming apparatus includes: an apparatus body, a paper feed cassette, a feed section, an operation control section, a paper passage detection sensor, a cassette attachment-detachment detection sensor, a paper presence-absence detection sensor, a sensor failure determination section, and an alarm control section. The paper passage detection sensor detects whether or not paper has passed through a position. The cassette attachment-detachment detection sensor detects attachment or detachment of the paper feed cassette. The paper presence-absence detection sensor detects paper absence when the paper feed cassette is withdrawn from the apparatus body. The sensor failure determination section determines that the paper presence-absence detection sensor is in failure. The alarm control section, when passage of the paper is not detected before passage of a predefined time period, alarms that the feeding of the paper has failed.04-30-2015
20160001994FEEDING APPARATUS AND IMAGE FORMING APPARATUS - A feeding apparatus includes a stacking member provided to a feeding cassette, a feeding member, a contact portion provided on a regulating member provided on the feeding cassette, a movement unit, and a switching unit. The movement unit raises the feeding member when the feeding cassette is pulled out and lowers the feeding member when the feeding cassette is inserted. The switching unit switches a positional relationship between the feeding and stacking member. After the feeding member is lowered and before the feeding member performs a sheet feeding operation, the switching unit switches the relationship to the second positional relationship from the first. When a stacked sheet amount is equal to or more than a predetermined amount, the contact portion is disposed in contact with the stacked sheets and when the amount is smaller than the predetermined amount, the contact portion is disposed not in contact with the stacked sheets.01-07-2016
20160009511STACKING DEVICE AND IMAGE FORMING APPARATUS01-14-2016
20160145060IMAGE FORMING APPARATUS - In accordance with one embodiment, an image forming apparatus comprises a paper feed cassette configured to include a tray which is capable of placing paper housed in a packaging member one end of which is opened together with the packaging member; a paper feed section configured to include a pickup roller which picks up the paper housed in the packaging member from the opened end of the packaging member; and a regulating member configured to regulate that the packaging member is conveyed from the tray.05-26-2016
271154000 Sensor activates electric or fluidic circuit 2
20110062655Image forming apparatus - A sheet separating and feeding unit incorporable in an image forming apparatus includes an image forming device, a sheet container, a sheet feeding unit including an endless, dielectric belt and an electric potential pattern forming unit, a belt supporting mechanism including a first supporting roller and a second supporting roller, and a moving unit. The first supporting roller rotates to rotatably move the second supporting roller between a sheet attracting position and a sheet feeding position so that the flat portion of the dielectric belt moves between the sheet contact position and the sheet pick-up position.03-17-2011
20140291918IMAGE FORMING APPARATUS - A multifunction peripheral includes: a moving device configured to move up a lift plate; a changing device configured to mechanically change a resistance value of a variable resistor depending upon a position of the lift plate; a mechanical switch; a connecting device configured to apply a predetermined DC voltage to the variable resistor when an upper end of one or more paper sheets placed on the lift plate or an upper end of the lift plate has reached a predetermined uppermost position in the paper feed cassette; a calculating device configured to calculate a remaining amount of paper sheets placed on the lift plate as a function of a DC voltage value output from the variable resistor; and a stopping device configured to stop upward movement of the lift plate using the DC voltage value output from the variable resistor.10-02-2014
271156000 Controlled pawl and ratchet actuates advancer 1
20100176548Drive mechanism for stacker linkage - A cassette having a scissor type linkage for displacing a received substrate payment from an initial receiving guide to a storage arrangement is powered by a two bar drive linkage. The two bar drive linkage has one bar connected to said housing and the free end of the other bar member connected adjacent a central pivot of the scissor type linkage. A link member is connected to the pivot connection of the bars to each other with an opposite end connected to a worm driven crank arm. The drive linkage provides a mechanical advantage as a payment substrate is added to the storage arrangement.07-15-2010
271157000 With means to replenish pack or retract advancer platform 9
20100289209METHOD AND APPARATUS FOR NON-CONTACT MEASUREMENT OF A MEDIA STACK IN AN IMAGE PRODUCTION DEVICE - A method and apparatus for non-contact measurement of a media stack in an image production device is disclosed that may include detecting the position of an unfluffed media stack, setting a desired media stack height by changing a media elevator position using a media elevator control unit based on the detected unfluffed media stack position, determining if printing and fluffing has started, wherein if it is determined that printing and fluffing has started, detecting the position of the transition between the fluffed and unfluffed portions of the media stack using the one or more sensors, determining if the position of the transition between the fluffed and unfluffed portions of the media stack is below a predetermined threshold, wherein if it is determined that the position of the transition between the fluffed and unfluffed portions of the media stack is below the predetermined threshold, setting the desired media stack height by changing the media elevator position based on the detected position of the transition between the fluffed and unfluffed portions of the media stack.11-18-2010
20110062656MEDIA STOCKER, PAPER FEEDING DEVICE, AND METHOD OF CONTROLLING POSTURE OF RECORDING MEDIA - A media stocker includes: a paper feeding table configured to support plural recording media in a stacked state; a lifting and lowering mechanism configured to lift and lower the paper feeding table; a bottom plate attached to the paper feeding table and configured to receive the recording media placed thereon and support the recording media such that a downstream side end in a conveying direction of the recording media on the paper feeding table moves up and down relatively to an upstream side end in the conveying direction; and a control section configured to make an angle of the bottom plate adjustable such that a surface of the recording medium at the top extends along a direction substantially orthogonal to a lifting and lowering direction of the paper feeding table.03-17-2011
20110074095SHEET CONVEYING APPARATUS - A sheet conveying apparatus includes a first storing unit in which a sheet bundle is stacked, a second storing unit that is provided near the first storing unit and in which the sheet bundle is stacked, a transfer tray that is provided in the second storing unit and transfers the sheet bundle from the second storing unit to the first storing unit, and a stopper that regulates, when the transfer tray transfers the stacked sheet bundle from the second storing unit to the first storing unit and moves from the first storing unit to the second storing unit, movement of the sheet bundle on the transfer tray.03-31-2011
20110140347SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS - A sheet feeding device that feeds sheets by a sheet feeding unit from a sheet feeding cassette storing the sheets, in which positions of rotation centers of a lifting plate and a lifting plate pressing member are varied from each other in such a manner that a rotation track of an edge of an opening of the lifting plate pressing member and a rotation track of a vertical surface of an engaging member provided on the lifting plate intersect with each other, so that the edge is engaged with the vertical surface at the intersection position of the rotation tracks to restrict rotation of the lifting plate when the lifting plate moves upward before a lifting operation of the lifting plate pressing member.06-16-2011
20120161386MEDIA PRESENTER - A media presenter configurable for use in either a front access or a rear access dispenser is described. The media presenter comprises a chassis including a central track defining a central handle end and a central pick end. A nose is coupled to the chassis at the central pick end, and includes (i) a presenting end distal from the chassis and (ii) a nose track arranged to couple to the central track. A removable track is coupled to the chassis and extends from a handle end of the chassis to the central handle end. The nose track, the central track, and the removable track combine to provide a presenting track extending from the handle end to the presenting end. The presenter can present media items to a customer in a rear access dispenser, or can be reconfigured by exchanging the positions of the nose and removable track to present media items in a front access dispenser.06-28-2012
20120205860SHEET STORAGE APPARATUS AND IMAGE FORMING APPARATUS - A sheet storage apparatus 08-16-2012
20140284874SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS - A sheet feeding apparatus and an image forming apparatus capable of ensuring reliability of meshing of gears at low cost are provided.09-25-2014
20160075527METHOD AND DEVICE FOR COMBINING AN AUXILIARY STACK AND A MAIN STACK, SHEET-FED PRINTING PRESS OR SHEET PUNCHING MACHINE AND METHOD FOR DRIVING AN AUXILIARY STACK CARRIER - A method and a device for combining an auxiliary stack and a main stack include a rake carrying the auxiliary stack and being abruptly movable out of a stack area to prevent sheets that contact the rake from being entrained and to preserve the structure of the stack. A sheet-fed printing press or sheet punching machine having the device is also provided.03-17-2016
20160075528DEVICE FOR COMBINING AN AUXILIARY STACK WITH A MAIN STACK AND SHEET-FED PRINTING PRESS OR SHEET PUNCHING MACHINE HAVING THE DEVICE - A device for combining an auxiliary stack with a main stack includes an auxiliary stack carrier which holds the auxiliary stack and which can be moved out of the stack area for combining the stacks. A holding device firmly holds a lower sheet of the auxiliary stack and an upper sheet of the main stack as the auxiliary stack carrier is moved out of the stack area, in order to maintain a good stack structure. A sheet-fed printing press or sheet punching machine having the device is also provided.03-17-2016
271160000 Urged by spring or weight 14
20100038845Spring-Assisted Print Media Feeder Apparatus - A print media feeder apparatus suitable for use in an image-forming device is provided. The apparatus comprises an elevator tray holding a stack of print media connected to a housing by a transmission system. The housing comprises a hoist drum that is connected to one end of a shaft for connecting the housing to the transmission system. A spring enclosure encasing a spring is fixed on the other end of the shaft. The load of print media is transmitted to the hoist drum, from which it is further transmitted to the spring through the shaft. This results in the displacement of the spring and a corresponding vertical movement of the elevator tray to position the print media at the desired feeding level.02-18-2010
20100052245MEDIA FIXING DEVICE - A media fixing device includes a stationary plate, a bar linking member, a main pressure plate, an elastic member, an auxiliary plate and a pivot rod. The bar linking member is configured for movably connecting the main pressure plate. The elastic member is configured for movably connecting the main pressure plate to the stationary plate. The pivot rod is configured for pivoting the auxiliary plate on the main pressure plate.03-04-2010
20120146282SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS - A sheet feeding device may include a tray, a sheet feeder, a pressurizing unit, a height detection unit, a weight detection unit, and a control unit. The tray may be raised and lowered. The sheet feeder sends out a sheet stacked on the tray. The pressurizing unit urges the tray to pressurize the sheet stacked on the tray against the sheet feeder. The control unit adjust pressure force of the pressurizing unit per change in height of sheets stacked on the tray on a basis of weight per unit height of the sheets, calculated on a basis of an initial total weight of the sheets stacked on the tray detected by the weight detection unit before a feeding operation is started and on a basis of the initial height of sheets stacked on the tray detected by the height detection unit before a sheet feeding operation is started.06-14-2012
20120205861SHEET STORAGE DEVICE - When a sheet cassette (08-16-2012
20120228821PAPER SUPPLY UNIT AND IMAGE FORMING APPARATUS - A disclosed paper supply unit includes a paper supply cassette having a bottom plate for placing stacked recording media therein and a sending out part. When the paper supply cassette is loaded at a paper supply position, the sending out part faces the bottom plate, the bottom plate is lifted and the recording media come into contact with the sending out part. A support member is rotatably fitted to the paper supply cassette. An elastic member is fastened between the support member and the bottom plate. The support member has plural fastening parts for fastening the elastic member. The elastic force of the elastic member is changeable using the plural fastening parts.09-13-2012
20140151954SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS - One aspect of the present invention provides a sheet feeding device and an image forming apparatus, in which a sheet can stably be separated and fed irrespective of stiffness of the sheet. A movable wall includes a sheet abutting surface that separates the sheet one by one by abutting on the sheet, which is stacked on a tray and fed by a feeding roller. The movable wall is movable in a sheet feeding direction, and a force applying spring applies a force to the movable wall in a direction opposite to the sheet feeding direction. A support portion supports the movable wall such that the movable wall is movable, and such that the movable wall is sloped when abutting on the sheet, which is fed by a feeding roller, and moving on a downstream side in the sheet feeding direction against an applying force of a force applying spring.06-05-2014
20140175735RECORDING MEDIUM CONTAINING CASSETTE AND IMAGE FORMING APPARATUS INCLUDING THE SAME - A recording medium containing cassette includes a recording medium support plate and a width cursor. The width cursor positions a stack of recording media in a widthwise direction perpendicular to a conveyance direction of a recording medium. The recording medium support plate is allowed to swing so that a downstream portion in the conveyance direction of the recording medium support plate is moved upward and downward. The width cursor includes a first limiting portion and a second limiting portion. The first limiting portion limits the upward movement of the recording medium support plate when an amount of the stack of recording media is larger than a predetermined value. The second limiting portion limits the upward movement of the recording medium support plate when the amount of the stack of recording media is smaller than the predetermined value.06-26-2014
20140339762PAPER FEEDING CASSETTE AND IMAGE FORMING APPARATUS - In a paper feeding cassette storing stacked sheets, a rotary lever adapted to rotate vertically about a rotation fulcrum is provided with a lift-up portion for lifting up the sheets as placed in contact with a bottom of the sheets stored in the paper feeding cassette. The lift-up portion is vertically turned by the rotary lever.11-20-2014
20140367908SHEET FEED CASSETTE - A sheet feed cassette having: a main body to be set in a body of an image forming apparatus; a first press-up member configured to support print media stacked thereon; a first elastic member configured to apply an elastic force to make the first press-up member press up the print media; a second press-up member; a second elastic member configured to apply an elastic force to make the second press-up member press up the first press-up member or the print media; an adjusting mechanism configured to adjust the force of the second press-up member to press up the first press-up member or the print media in accordance with a size of the print media; and a regulatory mechanism configured to prevent the second press-up member from pressing up the first press-up member or the print media when the main body is detached from the body of the image forming apparatus.12-18-2014
20150097330SHEET STORAGE CASSETTE AND IMAGE FORMING APPARATUS INCLUDING SAME - A sheet storage cassette includes a cassette base, a sheet stacking plate, a lift portion, and a pair of width adjustment cursors. At least one of the width adjustment cursors has an opposing surface facing a side edge of sheets, an opening formed in the opposing surface, a restriction member, a swing support shaft, and a first biasing member. The restriction member has an arm portion, a restriction portion selectively located at a first position where the restriction portion is retracted in an inner side of the opposing surface and a second position where the restriction portion projects from the opening, and a pressed portion extending to face an under surface of the sheet stacking plate. The swing support shaft swingably supports the arm portion of the restriction member. The first biasing member biases the restriction member in a direction of the second position.04-09-2015
20150298922IMAGE FORMING APPARATUS - By abutting a positioning member against an abutting surface provided in an image forming apparatus body, positioning in a mounting direction of a sheet storing portion drawably mounted on the image forming apparatus body. A position of the positioning member is changed stepwise by a support portion having a receiving surface abutting against the positioning member, and the shift of the sheet storing portion positioned by the positioning member with respect to the image forming portion is adjusted stepwise.10-22-2015
20150314973SHEET FEED DEVICES AND IMAGE RECORDING APPARATUS COMPRISING SUCH SHEET FEED DEVICES - A sheet feed device has a tray with holding surface for holding sheets, a feed unit for feeding sheets from the tray, and a separation plate. The separation plate has an inclined surface and two or more separation portions that separate a sheet from the sheets held in the tray. At least one of the separation portions projects a first distance from the inclined surface. The separation plate also has a projection positioned on the inclined surface that projects a second distance from the inclined surface. The second distance is greater than the first distance. A first of the separation portions is positioned upstream of the particular projection in the sheet feed direction, and a second of the separation portions positioned downstream of the particular projection in the sheet feed direction.11-05-2015
20150353302SHEET FEED CASSETTE, SHEET FEEDER, AND IMAGE FORMING APPARATUS - A sheet feed cassette includes a cassette main body, a sheet loading plate, a regulating member, and an auxiliary member. The sheet loading plate has a support surface and an opening. The support surface supports a sheet sheaf of one or more sheets. The regulating member is slidable within the opening in a sheet width direction perpendicular to a sheet feed direction. The regulating member regulates the sheet sheaf by coming into contact with an edge of the sheaf. The auxiliary member is supported by the sheet loading plate. The auxiliary member is in contact with the regulating member. The auxiliary member is turnable in parallel to the support surface in accompaniment to sliding of the regulating member. The auxiliary member supports a part of the sheet sheaf located over the opening.12-10-2015
20160009512SELF-CLOSING DEVICE AND IMAGE FORMING APPARATUS01-14-2016

Patent applications in class Advancer

Patent applications in all subclasses Advancer

Website © 2025 Advameg, Inc.