Bogenladekassette, die aus einem Behälter mit Deckel besteht, welcher Mittel aufweist, um den Bogendurchgang zwischen Deckel und Behälter zu Verhindern

Vorrichtung zum Zuführen von blattförmigem Material

Stapelkontrollstation und Datensystem in einer Logistik für Druckerein

Zuführeinrichtung für Briefumschläge

Nonstop sheet feed mechanism for printing press

The residual stack of sheets is accommodated on an auxiliary table moved in and out of the feed mechanism. This table is formed by parallel bars (5) spaced on a suspension member. The bars move for different distances (d) during table extraction. The suspension member (6) can be flexible, or some of the bars can be spring-mounted on it. First and second auxiliary tables can be provided with the bars of the second one passing through the suspension member of the first one.

Ausgabeverpackung für Blattstapel

Ladvorrichtung zum Zuführen von Stapeln von Dokumenten

Vorrichtung zur Aufnahme von Bogenstapeln an einer Bogendruckmaschine

Vorstapeleinrichtungssystem mit auf Schienen geführtem Stapeltisch

Ein Vorstapeleinrichtungssystem (1) zum Beladen einer Papierbearbeitungsmaschine, insbesondere einer Falzmaschine, umfassend einen Anleger (3) mit einer vertikal verfahrbaren Halteeinrichtung (13) für einen Stapeltisch (4, 4a), einen verfahrbaren Vor(4, 4a), und mindestens einen Stapeltisch (4, 4a) zur Aufnahme eines Papierstapels, wobei der Stapeltisch (4, 4a) Rollen (5) aufweist, mit denen der Stapeltisch (4, 4a) auf Schienen verfahrbar ist, der Vorstapelwagen (2) erste Schienen (6) aufweist, auf denen der Stapeltisch (4, 4a) verfahrbar ist, die Halteeinrichtung (13) zweite Schienen (14) aufweist, auf denen der Stapeltisch (4, 4a) ebenfalls verfahrbar ist, und die Halteeinrichtung (13) eine vertikale Verfahrposition aufweist, in der die zweiten Schienen (14) der Halteeinrichtung (13) und die ersten Schienen (6) des Vorstapelwagens (2) auf gleicher Höhe angeordnet sind.

Kartenausgagekassette

Mit geringerer Kraft betreibbare Papiereinzugseinheit und Bilderzeugungsvorrichtung

Verfahren zum unterbrechungsfreien Stapelwechsel an einer bogenverarbeitenden Maschine und Auslage

Die Erfindung betrifft ein Verfahren zum unterbrechungsfreien Stapelwechsel an einer bogenverarbeitenden Maschine, wobei ein Hilfsstapelträger horizontal in Bogenlaufrichtung zwischen zwei aufeinander folgend fallende Bogen eingefahren wird und wobei die Bewegung des Hilfsstapelträgers gesteuert wird. Der Erfindung liegt die Aufgabe zugrunde, den Stapelwechselprozess in Auslagen von bogenverarbeitenden Maschinen weiter zu verbessern. Erfindungsgemäß wird die Aufgabe dadurch gelöst, dass der Hilfsstapelträger vor der Einfahrt in den Stapelbereich zum Bogenstapel (3) vorpositioniert wird.

AUFLADER FUER SIGNATUREN, BOGEN, HEFTE U.DGL., INSBESONDERE FUER SAMMEL-, UEBERSCHLAG- UND NAEHMASCHINEN U.AE. BUCHBINDEREIMASCHINEN

Stapeleinrichtung und ein Verfahren zum Bilden eines Zielstapels aus tafelförmigen Gütern

Die Erfindung betrifft eine Stapeleinrichtung zur Erzeugung zumindest eines Stapels tafelförmiger Güter, wobei die Stapeleinrichtung zwei Quellstapelbereiche und einen Zielstapelbereich aufweist, dem ein horizontal bewegbarer Zieltafelausrichter zugeordnet ist und wobei die Stapeleinrichtung eine obere Transfereinrichtung aufweist, die eine von oben auf das jeweilige tafelförmige Gut einwirkende Halteeinrichtung aufweist, die bezüglich einer vertikalen Richtung und bezüglich einer horizontalen Richtung bewegbar angeordnet ist sowie ein Verfahren zum Bilden eines Zielstapels aus tafelförmigen Gütern, wobei ein erster Quellstapel in einem ersten Stapelbereich und ein zweiter Quellstapel in einem zweiten Stapelbereich der Stapeleinrichtung bereitgestellt wird und wobei in abwechselnden Stapelvorgängen eine jeweilige Menge an tafelförmigen Gütern von dem ersten oder dem zweiten Quellstapel entnommen und in dem Zielstapelbereich abgelegt werden und dadurch der Zielstapel begonnen oder erweitert ...

Übergabevorrichtung für Druckplattentabletts

Die vorliegende Erfindung betrifft eine Vorrichtung und ein Verfahren zur Handhabung von Druckplatten (100, 200), welche in Form von Druckplattenstapel (10) auf wenigstens einer Vorratsebene (8) bereitgestellt werden. Werden besonders großformatige Druckplatten (200) benötigt um sie in einem Belichter zu bebildern, so ist eine Beladung von Kassetten für ein Magazin von Kassetten zumindest problematisch. Erfindungsgemäß wird daher ein Tablett (8) aus einer Lagereinrichtung (2) über eine angrenzende Hubeinrichtung (3) in den unteren Bereich der Lagereinrichtung (2) gebracht und dort einer aus der Lagereinrichtung (2) herausbewegbaren Schublade (6) zugeführt. Befindet sich das Tablett (8) auf der Schublade (6), so kann diese durch einen Bediener (101, 201) in einer zweiten horizontalen Richtung (15) aus der Handhabungsvorrichtung (1), insbesondere aus der Lagereinrichtung (2) heraus bewegt werden. In dieser Position kann dann das Tablett (8) ergonomisch günstig beladen werden.

Verfahren und Vorrichtung für ein automatisches Druckplattenbehandlungsgerät mit Entfernung von Zwischenblättern

Kassette zum Aufbewahren von Platten sowie Zugriff zu Platten innerhalb eines automatischen Plattenhantiergeräts

Bogenzuführkassette

Bilderzeugungsvorrichtung

VERSTELLBARER BEHAELTER

Bogenzuführvorrichtung

Zuführvorrichtung für Aufzeichnungsmedium und Bildaufzeichnungsvorrichtung

AUTOMATIC MONEY DEPOSITING AND DISBURSING MACHINE

SHEET FEEDER

Sheet feed cassette for image-forming apparatus

Automatic sheet feeder for a printer

Sheets 11 are fed one by one from a cassette 12 detachably mounted in a printer 2, the printer having a platen 3 for separating and feeding sheets. and the cassette having a friction member 15 pressing against the platen. As shown, the platen 3 forms the anvil for printer hammer 7, cooperating with type wheel 6 and ink ribbon 8. ...

Supplying sheets from cassettes.

In a cassette type sheet supplying device, the two or more of adjoining spaces 30, 32 for installing standard cassettes S1, S2 therein are joined into a continuous space 34 to enable a large cassette L to be installed in the space in lieu of the two or more standard cassettes. The paper feeding rollers for any standard cassettes other than the uppermost standard cassette installed in the continuous space are arranged in positions wherein the installation of the large cassette is not obstructed. ...

Recording paper cassette

Device for opening and closing push cover of note container box

There is provided a device for enabling an operator to perform the inserting and/or removing operations of the bank note stacker boxes promptly and reliably by a simplified operation. The device comprises, in combination, a machine body of an automatic money depositing and disbursing machine and a slidingly movable frame adapted to be pushed in and pulled out of the machine body, wherein the machine body including a positioning block for positioning the slidingly movable frame pushed therein at a pre-set location, and a limit release lug, and wherein the slidingly movable frame including a stacker box support frame for supporting one or more stacker boxes to be swung between the upper and lower positions, a movement limit shaft biased by a spring to be held normally at a retracted position and released from the biasing action of the spring to project to be engaged by the positioning block when the stacker support frame is swung to the upper position, and a swinging limit plate for abutting ...

SECURELY HOLDING STACKED BANK NOTES

A copy paper feeding cassette

In order to minimize the risk of a skew feed of paper from a cassette, resilient elements (24c) are provided on a pivotable reinforcing plate (24), which is pivoted to extend across a respective opening (21) in the cassette side wall (31), when the cassette is loaded in a copying machine. Each element (24c) may be slanted progressively inwardly of the cassette in the upward direction towards the open top thereof. Thus when the cassette is loaded, it is rigidified by the reinforcing plates, and the side edges of the uppermost sheets of a supply of paper in the cassette are brought into light pressurizing contact with the resilient elements to centralize the paper in the cassette. ...

Improvements in or relating to sheet conveying apparatus

... 584,730. Sheet-conveying apparatus. STEVENS, A. H. (Miller Printing Machinery Co.). May 3, 1943, No. 6965. [Class 100 (i)] Mechanism for raising and lowering a support such as a feed or delivery table used in connection with a printing or other processing- machine for acting upon sheets is constructed with carriers 5 which can be lowered by the delivery chains of the machine and can 1e transferred directly to the pile-raising chains b4 of the feeding mechanism in order to feed the sheets again through the machine. Each carrier 5 is formed with a supporting surface 6 and four legs 7 and a full carrier can be transported by a truck engaging the under surface of the support 6 and placed between four depending chains 14 so that the carriers can be raised by the engagement of bars 16 on the chains with registering bars 16a on the supports. The piles are raised automatically during the operation of the sheet-feeding mechanism, and when one pile is exhausted the chains can be operated quickly ...

SHEET FEEDER

Improvements in mechanism for maintaining a supply of stacked sheets for instance book components

... 673,930. Feeding sheets. SMYTH MANUFACTURING CO. March 24, 1948 [July 28, 1947], No. 8661/48. Drawings to Specification. Class 100 (i). A stack mechanism for sheets or book components comprises a plurality of carrying means and means for moving them all successively upward, a stack plate to support a stack of sheets or components and engaged with one of the carrying means so as to be moved upward with its stack, the plate being adapted to be manually withdrawn transversely from its carrying means and from beneath the stack, and a second stack plate below the first and supporting a second similar stack and being movable relatively rapidly upward to a position where the top of the stack engages the first stack plate below and in register with the first stack, the second stack plate in said position being engaged with one of'the carrying means so that on transverse withdrawal of the first stack plate the two stacks are united and moved upward by the second stack plate. The mechanism forms ...

THERMAL TRANSFER RECEIVER

COPYING MACHINE HAVING A COPY SHEET RECEIVING MEANS

... 1489414 Delivering sheets CANON KK 4 Oct 1974 [5 Oct 1973] 43222/74 Heading B8R A copy sheet receiving tray comprises a mount portion 7, Fig. 2, secured to a copying machine 5 adjacent a sheet discharge opening 6, a fixed tray portion 8 secured to the portion 7 for receiving short sheets A, and a movable tray portion 9 for receiving long sheets B having a pin 10 passing through an elongated hole 11 in the portion 7 so that the portion 9 can be swung upwards into an inoperative position against the front wall of the machine 5, in which position sheets can pass through an opening 9a in the portion 9. A guide surface 13 of the portion 7 co-operates with a pin 12 on the portion 9 to define the two extreme positions of the portion 9. In another form, Fig. 6, the tray comprises a single movable portion 1 pivoted at 3, and has an opening 21 positioned so that when the tray is in its upper inoperative position, sheets emerging from the copying machine 2 can pass through the opening and be deposited ...

SHEET FEEDING DEVICE

... 1457117 Feeding sheets CANON KK 13 Dec 1973 [15 Dec 1972] 57788/73 Heading B8R Sheets P are separated from a pile by a suction roller 2 which moves down on to the pile to feed the top sheet into a copying machine, the pile being supported in a cassette C. Separate sheets can alternatively be fed by the roller 2, each such sheet being placed manually on the lid C1 of the cassette or on a separate guide plate, said lid on plate being provided with alignment marks by means of which sheets of various sizes can be correctly positioned. The printed sheets are delivered into a tray 11 and can be re-inserted for printing on the opposite side by placing in the requisite position on the lid or plate. The sheets may alternatively be fed by a conveyer belt passing over the feed roller and over a further roller. The lid or guide plate is provided with instructions as to the required orientation of the separate sheets, and is visible when in its operating position.

CARTRIDGE

CONTINUOUS ISOLATING OF LOOSE SHEET PROPERTY

FEEDER.

CONTAINER FOR PHOTO DEPARTURES.

EINRICHTUNG ZUR BEREITSTELLUNG VON SÄCKEN

PILE CHANGE DEVICE

PILE CHANGE DEVICE

PROCEDURE AND DEVICE FOR THE ADJUSTMENT OF AN AUTOMATIC PILE CHANGE-OVER SWITCH

DEVICE TO THE AUTOMATIC PILE CHANGE

PROCEDURE AND DEVICE FOR THE SORT OF LOOSE SHEET PROPERTY

DRUCKVORRICHTUNG AND AUTOMATIC CHANGE-OVER SWITCH FOR THIS

Prepiling device

FEEDER AT PRINTERS

METHOD AND APPARATUS FOR IDENTIFYING AND INDICATING THE CONTENT OF DOCUMENT CANISTERS

A device for processing sheet objects such as banknotes

Removable dual bin envelope feed tray for an image reproduction machine such as a printer or copier

Apparatus for dispensing tickets and the like

Lockable removable cassette

DEVICE FOR CYCLIC MODIFICATION OF THE DISTRIBUTION OF A PILE OF SHEETS

Sheet dispensing apparatus and tray

TICKET CARTRIDGE AND HOPPER AND STACKER THEREFOR

CONTAINER FOR PHOTOGRAPHIC PRINTS

The container for photographs of the same size comprises a housing from which a slide can be pulled out. In the housing there is a spring arrangement which presses the photographs against a viewing window of the housing. The spring arrangement comprises leaf springs which, when the slide is pulled out, are pressed away from the viewing window by control edges moulded to the slide, directly at the start of pulling out of the slide, and remain pressed away during further pulling out of the slide.

CONTAINER FOR PHOTOGRAPHIC PRINTS

MAGAZINE FOR HOLDING A STACK OF SHEET MATERIAL

SHEET LOADING AND STORING ASSEMBLY

LOCKABLE REMOVABLE CASSETTE

A lockable, removable cassette is described. In an implementation, the cassette includes a plastic shell and a currency access door. The cassette may also include a flexible handle and/or integrated grip. In addition, the cassette may include at least one of an aperture and a transparent window positioned to reveal the contents of the cassette. In an implementation, the cassette includes a stacking mechanism which may include a drive means having non-circular drive gears.

DEVICE TO HOLD THE FRONT EDGE OF A STACK OF SHEETS IN PROPER ALIGNMENT

SHEET-FEED MECHANISM FOR ROTARY PRINT HEAD

SHEET STACK AND DISPENSER PACKAGE THEREFOR

A stack (10) of individual pre-cut sheets (11) and a dispenser for those sheets are disclosed. The dispenser (20) affords reci- procating movement of the stack within the dispenser to afford individual dispensing of the sheets. Optionally, the dispenser (20) may be mounted on the wrist of a user to afford convenient dispensing. ...

PRINT MATERIAL HANDLING SYSTEM

A print material handling system is described which comprises an input tray, and an output tray, with the trays having at least one common side wal l which is adjustable laterally relative to the other side wall such that adjustment of the moveable side wall simultaneously adjusts the width of the input and the output trays . As the moveable wall is adjusted, the support structures defining the bottom of the input and the bottom of the output tray are simultaneously adjusted such that the inpu t and output trays support print material of various widths. Additionally, the invention includes at least one retractable wing positioned on one of the side walls. The wing can be manufactured in a relatively narrow width because the wing will always be positioned adjacent a print material side edge due to the simultaneous adjustment of th e input and output trays.

PRINTING PAPER PROTECTING DEVICE

PAPER FEEDER FOR A SINGLE SHEET PRINTER

Disclosed is a paper feeder for a single sheet printer (9) provided with a paper dispenser (1). The inventive paper feeder is characterized in that it includes a plurality of compartments (A1 à D1) as well as a circuit (10) for conveying the paper from one compartment to the printer (9). The feeding circuit (10) presents a branch (11) leading to the sheet receiving station (13), to which an additional paper dispenser with a structure substantially similar to that of the paper dispenser (1) in the printer (9) can be connected.

Margeur.

Stapeltisch-Einrichtung für kontinuierlich arbeitende Bogenanleger

Photokopiermaschine

Einrichtung zur Förderung von Blattmaterial

HALTEVORRICHTUNG FUER GESTAPELTES BLATTMATERIAL.

Vorstapeleinrichtung an Druckmaschinen, insbesondere Haltzylinder-Schnellpressen

Vorrichtung zum Abziehen einzelner Gegenstände von einem Stapel

Vorstapeleinrichtung an Bogenzuführern von Druck- und andern Papierverarbeitungsmaschinen

Bogenverarbeitende Maschine

Stapeltisch-Einrichtung für kontinuierlich arbeitende Bogenanleger

ELEKTROSTATISCHES KOPIERGERAET.

Apparatus for transporting recording carriers in sheet form

LOADER FOR PAPER GOODS, IN PARTICULAR SIGNATURES, SHEET OR BOOKLETS IN A BOOK BINDING MACHINE.

DEVICE FOR UNPACKING FLATTENING UNITS PACKING MATERIAL.

DEVICE FOR SUPPLYING PAPER SHEETS FOR A WRITING BUEROMASCHINE.

BANKNOTE STORAGE BOX.

CASSETTE FOR A SHEET FEEDING DEVICE.

A SHEET FEEDING DEVICE FOR PRINTER OR TYPEWRITER.

Automatic flat parts i.e. envelopes, loading method for feeder of processing machines, involves inclining flat parts relative to flat plate of support, seizing inclined stack by pinching lateral sides of stack and depositing stack on feeder

The method involves storing flat parts in a box (29) by a stack and seizing the box on a pallet (30) by a robot (1), where the box has a cutting device (17) to form cuts on lateral sides of the box. The stack is seized by the robot by pinching beginning and end of the stack between jaws. The stack is released from a lower part of the box and deposited on a support (10). The parts are inclined relative to a rectangular flat plate (12) of the support. The inclined stack is seized by pinching lateral sides of the stack, and is deposited on a feeder of a processing machine. An independent claim is also included for an apparatus for automatic loading of flat parts in a feeder of processing machines of flat parts.

DEVICE FOR ENTERING, KEEPING AND SPENDING OBJECTS WHICH CAN BE KEPT IN CARTRIDGES AND BLATTFOERMIGEM PROPERTY.

Method and device for automatically feeding flat workpieces into a feeder machines handling of flat workpieces, especially envelopes.

Cette invention a pour but de fournir un procédé et un dispositif de chargement automatique de pièces plates dans un dispositif dalimentation de machines traitant de pièces plates, notamment denveloppes, à partir de pièces plates stockées par piles dans des cartons disposés sur une palette, sans intervention manuelle. Ce procédé se développe de la manière suivante: un robot (1) saisit un premier carton (29) sur le support (30), ledit robot présente ledit carton à un dispositif de découpage (17) destiné à faire une coupe sur au moins un côté latéral dudit carton. Puis le robot tourne le carton et le représente audit dispositif de manière à découper un autre côté latéral, cette opération étant répétée jusquà ce que tous les côtés latéraux soient découpés. Ces opérations rendent la partie supérieure avec une première partie des côtés latéraux indépendante de la partie inférieure comportant une seconde partie des côtés latéraux. Le robot (1) abandonne la partie supérieure et la première partie ...

Image forming apparatus and inserted into the container

Sheet feeder including a plurality of paper cassettes and imaging apparatus

Paper feeding device and image forming apparatus

Medical self-service bill taking machine

The invention relates to a medical self-service bill taking machine, and relates to the technical field of medical printers. The printer comprises a cabinet body, a printer is arranged in the cabinet body, a paper storage box is slidably connected in the printer, a connecting hole is formed in the side wall of the cabinet body in a penetrating mode, a supply box used for supplying paper to the paper storage box is arranged on the side wall of the cabinet body, a supporting block used for supporting the paper is slidably connected in the supply box, and the paper storage box and the supply box are communicated through the connecting hole. The side, close to the supply box, of the paper storage box abuts against the side wall of the supporting block, a moving mechanism for driving the paper storage box to move is arranged in the printer and comprises a rotating assembly and a moving assembly, the rotating assembly and the moving assembly are both connected with the printer, the rotating assembly ...

APPARATUS TO SEPARATE AND EXTRACT a SHEET From a PILE FROM THESE SHEETS

FEEDING ATTACHMENT OF SHEETS OF PAPER FOR a MACHINE OF OFFICE

CASSETTE, IN PARTICULAR FOR REPROGRAPHIC APPARATUS

Medium storage device, image forming device and medium storage system

A medium storage device that is covered by a dust cover and that stores a recording medium, includes: a guide member that is extendably and retractably provided in the medium storage device and that restricts a position of an edge part of the recording medium; and a lock member that locks the guide member and that releases the lock status of the guide member when the lock member moves in a first direction so as to allow the guide member to extend and retract, wherein the movement of the lock member in the first direction is restricted by the dust cover so that the guide member is stably locked.

Tray unit and image recording device

A tray unit includes a first tray, a second tray, and a cover. The first tray includes a first holding surface for holding thereon a first sheet. The second tray includes a second holding surface for holding thereon a second sheet. The second tray is configured to slide above and along the first holding surface between a first second-tray position and a second second-tray position, and is configured to pivot between the second second-tray position and a third second-tray position in which the second tray stands upward with respect to the first holding surface. The cover is configured to cover from above at least a part of the second tray when the second tray is in the second second-tray position, and is configured to pivot between a first cover position in which the cover extends along the first holding surface and a second cover position in which the cover stands upward with respect to the first holding surface.

Image forming apparatus

An image forming apparatus includes a first paper feed discharge unit which feeds and discharges a recording medium; a second paper feed discharge unit which is formed with an opening and which feeds and discharges the recording medium via the opening; an image forming section which forms an image on the recording medium fed from the first paper feed discharge unit and the second paper feed discharge unit; a first transport mechanism which transports the recording medium from the first paper feed discharge unit to the image forming section; a second transport mechanism which connects the second paper feed discharge unit and the first transport mechanism and which transports the recording medium; a paper feed unit which feeds the recording medium or a storage type recording medium having a storage unit; a transport control unit which controls the first and second transport mechanisms.

Feed tray

A cover of a feed tray is attached to a tray body in a movable manner in a direction away from the tray body when the cover is in a closed state for covering an upper surface of the tray body.

Recording media deciding apparatus, image forming apparatus and recording media deciding method

A recording media deciding apparatus has: a light radiating portion which radiates light having a uniform light amount on a range corresponding to an image capturing range of a first surface of a bundle of recording media; a light detecting portion which captures an image of light emitted from a second surface different from the first surface of the bundle of the recording media; and a controller which decides on a type of the recording media based on an output of the light detecting portion.

Sheet material feeding device and image forming apparatus including the same

A sheet material feeding device includes a send-out means that is pressed to contact with the uppermost surface of the sheet material stacked on the sheet material stacking member to move the contact surface in a predetermined direction for sending out the sheet material, a lift up/down means that moves the sheet material stacking member between a feeding position and a separate position, a member to be detected that can move in the up and down direction when the sheet material stacking member moves, a detecting member that can output a detection signal when the member to be detected moves to a predetermined position, and a cassette that supports the sheet material stacking member and can be attached and detached from an apparatus main body. The cassette has an engaging portion for moving the member to be detected to the predetermined position when being attached to the apparatus main body.

Sheet Stackable Devices

A sheet stackable device includes a sheet stackable plane. The sheet stackable device includes a first tray and a second tray, each of which is formed in a shape of a flat plate. The first tray includes a first contact part. The second tray is slidable along a slidable direction between a first position, in which the second tray overlaps the first tray, and a second position, in which the second tray is dawn out of the first tray. The second tray includes a second contact part, which is slidable on the first contact part. At least one of the first contact part and the second contact part includes a rack with rack teeth, which are aligned along the slidable direction. An upper plane of the first tray and an upper plane of the second tray in the second position form at least a part of the stackable plane.

Sheet feeding apparatus and image forming apparatus

A sheet feeding apparatus and an image forming apparatus, which can improve sheet feeding performance at low cost without degrading usability, are provided. Projections 42 T and 43 T are provided in abutting surfaces, which abut on lateral end of a sheet S, of a pair of lateral-end regulating portions 42 and 43 provided opposite each other. The projections regulates climbing over the lateral-end regulating portions of the sheet S when the sheet S is fed. Guide projections 100 a and 100 c are provided opposite each other along a cassette attaching direction in an inner wall surface of an attaching space, in which a sheet feeding cassette of an apparatus body is attached. When the sheet S climbs over the projections in feeding the sheet S, the sheet S is abutted on the guide projections to regulate upward movement of the sheet S.

Paper cassette and image forming apparatus having the same

A paper cassette of an image forming apparatus including: a cassette body containing sheets of paper, and a paper alignment apparatus mounted in the cassette body. The paper alignment apparatus including: an alignment apparatus body having a paper alignment surface contactable with corners of one side of sheets of paper and slidable in a horizontal direction, and a locking unit mounted in the alignment apparatus body and locked into the cassette body. The locking unit is downwardly pressed when being locked and unlocked.

DEVICE FOR INSERTING BANK NOTES INTO A BANK NOTE PROCESSING DEVICE

A device for inserting bank notes into a bank note processing device. The bank note processing device has a main body, a support surface for supporting a bank note to be inserted on a flat side, and at least one lateral positioning edge for laterally positioning the slot on the bank note processing device and/or for connecting the slot to the bank processing device in an accurately fitting manner. The device for inserting bank notes into a bank note processing device is characterized by a setting mechanism for variably setting the position of the positioning edge transversely to the insertion direction of the bank note through the slot. 1. A device for inserting bank notes into a bill acceptor , said device having a main body , a supporting surface for supporting a bank note to be inserted flat , at least one lateral positioning flank for laterally positioning and/or connecting the device to the bill acceptor so that it fits precisely , and setting means for variably setting the position of the positioning flank transversely to the direction of insertion of the bank note through the device , wherein the setting means comprise an adapter element that is mounted adjustably on a mounting surface , in the form of a tapering face , of the main body and can be adjusted by being shifted on the tapering face transversely to the direction of insertion.2. The device as claimed in claim 1 , wherein a pair of lateral positioning flanks are comprised and the internal width between the positioning flanks can be adjusted by the setting means claim 1 , wherein such a setting means is preferably associated with one of each positioning flanks.3. The device as claimed in claim 1 , wherein the adapter element has a lamellar design.4. The device as claimed in claim 1 , wherein the mounting surface formed on a rigid body part of the positioning flank is inclined at an acute angle to the direction of insertion of the bank notes and/or to a perpendicular to the supporting surface.5. The ...

Image-forming apparatus and method for controlling image-forming apparatus

An image-forming apparatus includes an image formation unit, a resist unit, a paper feed unit, a detecting body, and a clocking unit. The resist unit stops paper conveyance before the next paper arrives. The paper feed unit includes a paper feed rotating body for rotating and thereby issuing the paper forth toward the resist unit, and for stopping before supplying the next paper. The detecting body detects the arrival of the paper. The clocking unit clocks a conveyance time from the start of paper feeding to when the detecting body detects the arrival. The resist unit starts conveying the paper when a deflection generation time has elapsed since the detection of the arrival. When the conveyance time is shorter than a predetermined reference time, the paper feed rotating body starts rotating in subsequent paper feeding at a timing that is delayed in comparison to the earlier paper feeding.

RECORDING 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. 1. A recording medium feeding device , comprising: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 an inclined surface which rises from a position of a bottom surface of at least the lower stage side tray, extends up to above a position of a bottom surface of the upper stage side tray, and thus, 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 applies a separation operation with respect to the tip of the recording medium; anda second separation inclined surface which is an inclined surface which rises from the position of the bottom surface of at least the lower stage side tray, in which a trailing end of the second separation inclined surface is positioned below the 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 without being opposite to the tip of the recording medium which is stored in the upper stage side tray and applies a separation operation with respect to ...

IMAGE FORMING APPARATUS

An image forming apparatus having: a slit plate in which a plurality of slits of different widths are provided, the slit plate being movable in an amount proportional to an amount of movement of a elevating plate; a sensor unit disposed such that the slits pass between a luminous element and a light-sensitive element, the sensor unit outputting a detection signal that indicates whether light emitted by the luminous element is in a transmitted state or not; and a control unit that stores positions of the elevating plate corresponding to the widths of the slits, and identifies a position of the elevating plate corresponding to a slit width derived from a detection signal outputted by the sensor unit, thereby deriving a remaining quantity of sheets on the elevating plate. 1. An image forming apparatus comprising:an elevating plate provided in a cassette so as to be able to ascend in a range from a bottom position to a top position with sheets of recording medium placed thereon;a roller group at least including a pickup roller to take up and feed the top of the sheets of recording medium placed on the elevating plate during a printing process;a print unit that forms an image on the recording medium fed by the roller group during the printing process;a drive mechanism at least including a motor whose rotational speed is kept constant regardless of torque, the drive mechanism raising the elevating plate by means of a drive force from the motor until the top of the sheets of recording medium placed on the elevating plate contacts the pickup roller;a slit plate having a plurality of slits of different widths provided therein, the slit plate being movable in an amount proportional to an amount of movement of the elevating plate while the elevating plate ascends from the bottom position to the top position;a sensor unit disposed such that the slits pass between a luminous element and a light-sensitive element, the sensor unit outputting a detection signal that indicates ...

LOADING DEVICE FOR RECORDING MEDIA, CONTROL METHOD THEREOF, AND RECORDING MEDIUM

A loading device includes a disposing unit to dispose the recording media, and a detector to detect the disposed recording media. The disposing unit includes a loading member on which the recording media are loaded, a pair of guide members movable in width directions of the recording media that are mounted on the loading member, and a guide driver to move the guide members. The end detector detects positions at which the guide members are in contact with the recording media as the ends of the recording media. The guide driver further moves the guide members in the width direction to cause the recording media to form flexures, subsequently moves the guide members to separate from the recording media, and then moves the guide members to be in contact with the recording media again. 1. A loading device for loading a plurality of recording media , the loading device comprising:a disposing unit configured to dispose the recording media; anda detector configured to detect the disposed recording media, wherein a loading member on which the recording media are loaded,', 'a pair of guide members mounted on the loading member and configured to be movable in width directions of the recording media, and', 'a guide driver configured to move the guide members, wherein, 'the disposing unit includes'} a medium detector configured to detect the recording media that have been loaded in an interval between the pair of the guide members, and', 'an end detector configured to detect ends of the loaded recording media, wherein', 'the end detector detects respective positions at which the guide members moved by the guide driver are in contact with the recording media as the ends of the recording media after the medium detector has detected the recording media, and wherein', 'the guide driver further moves, after having moved the guide members in the width direction to cause the guide members to be in contact with the recording media, the guide members in the width direction to cause the ...

Sheet feeding device and image forming apparatus

A sheet feeding device comprises a structure as an option, on which an apparatus main body of an image forming apparatus having a lower face with a positioning depression is placed. The structure includes a mounting member, a reinforcement member and a positioning pin. The mounting member is located to face to a periphery of the lower face. The reinforcement member is located below the mounting member. The positioning pin includes an upper part having a guard part and a lower part. The pin penetrates the mounting member so that the upper part can fit in the positioning depression and the lower part can come into contact with the reinforcement member. When the apparatus main body is placed, the upper part fits in the positioning depression, the guard part comes into contact with an edge of the positioning depression and the lower part comes into contact with the reinforcement member.

Paper tray for printer

A paper tray for a printer includes a bottom plate and a rear plate. A plurality of papers is placed on the bottom plate. The plurality of papers includes a first paper and a second paper. The first paper is located on a topmost portion of the plurality of papers, and the second paper is located adjacent to the first paper and below the first paper. A plurality of bent pieces is secured on the rear plate. Each bent piece includes a first piece and a second piece. The first piece is placed on the rear plate. An obtuse angle is defined between the first piece and the second piece. The second pieces of the plurality of bents pieces are configured to allow the first paper sliding there over, and block the second paper sliding there over.

Printer with paper tray assembly

A printer includes a printer body and a paper tray assembly mounted to the printer body. The paper tray assembly includes a first paper tray and a second paper tray mounted to the first paper tray. The first paper tray includes a first bottom panel and two side portions extending from the first bottom panel. The second paper tray includes a mounting tray, an extending panel movably mounted to the mounting tray, and an elastic element resiliently contacting between the extending panel and the mounting tray. The mounting tray moves on the two side portions along a first direction substantially parallel to the first bottom panel to drive the extending panel to move to an unfolded position. The elastic element rebounds to drive the extending panel to move along a second direction to enable the extending panel to be in the same plane with the first bottom panel.

IMAGING APPARATUS

An imaging apparatus includes a door configured to be openable and closable with respect to a housing and to support a sheet, an extender configured to be stored in the door and to support a sheet, and a mechanism configured to rotate the extender in conjunction with opening and closing the door. The extender rotates and protrudes from the door when the door is opened, and the extender rotates and is stored in the door when the door is closed. 1. An imaging apparatus comprising:a housing within which an imaging unit is installed;a door configured to be openable with respect to the housing and to support a sheet used by the imaging unit;an extender configured to be stored in the door and to support a sheet; anda mechanism configured to rotate the extender in conjunction with opening and closing the door, wherein the extender rotates and protrudes from the door when the door is opened and the extender rotates and is stored in the door when the door is closed.2. The imaging apparatus according to claim 1 , wherein the mechanism includes a lever that rotates in association with opening and closing the door and an arm connecting a part of the lever and a part of the extender.3. The imaging apparatus according to claim 2 , further comprising:a first cum configured to guide the lever to a direction to which the extender protrudes when the door is moved in an opening direction; anda second cum configured to guide the lever to a direction to which the extender is stored when the door is moved in a closing direction.4. The imaging apparatus according to claim 2 , wherein the mechanism includes a brake mechanism for applying a brake force when the door is opened.5. The imaging apparatus according to claim 4 , wherein the brake mechanism includes a cum for rotating the lever in association with opening and closing the door and an elastic member for applying a force urging the door in the closing direction via the cum to the lever claim 4 , applying a force to maintain a closed ...

Configuration for an Image Forming Apparatus Having an Upright Recording Medium Storage Unit

An image forming apparatus includes a recording sheet storage unit for storing recording sheets substantially in an upright position, an image forming unit which forms an image on a recording sheet conveyed from the recording sheet storage unit, and a recording sheet receiving unit for storing the recording sheet conveyed from the image forming unit substantially in an upright position. In this image forming apparatus, a paper conveyance passage for conveying the recording sheet extends upward from a lower portion of the recording sheet storage unit toward the recording sheet receiving unit. The image forming unit positioned on the paper conveyance passage comprises a fixing device and a developer unit at least including a developer carrier, and the fixing device is arranged above the developer unit. 1. An image forming apparatus comprising:a recording sheet storage unit configured to store recording sheets substantially in an upright position;an inlet from which an recording sheet is to be inputted, the inlet being disposed on a side opposite to the recording sheet storage unit;an image forming unit configured to form a developer image on a recording sheet conveyed along a vertical conveying path;a fixing device disposed above the image forming unit and configured to fix the developer image, which is formed by the image forming unit, on the recording sheet;a first feed mechanism including a first feed roller and a U-turn guide both of which are configured to feed a recording sheet from the recording sheet storage unit to the vertical conveying path along the U-turn path;a second feed mechanism including a second feed roller configured to feed a recording sheet, which is inputted through the inlet, to the vertical conveying path along a further path which extends below the image forming unit and meets the U-turn path from a side opposite to the U-turn path; anda recording sheet receiving unit configured to receive the recording sheet conveyed from the image forming ...

Image recording apparatus and computer readable medium

A recording unit configured to record an image on a recording medium, medium storages storing same-sized recording media, a conveyance mechanism configured to selectively convey the recording media stored in the medium storages to the recording unit, and a maintenance mechanism are provided. When, at the start of a maintenance period in which the maintenance of the recording unit is performed by the maintenance mechanism, the number of recording media stored in the sender medium storage is smaller than the number of recording media required to record all remaining images onto recording media in accordance with image data and, among the medium storages, there is at least one predetermined remaining number medium storage which is a medium storage storing more recording media than the sender medium storage, one of the at least one of predetermined remaining number medium storage is selected as the sender medium storage, during the maintenance period.

Programmable paper tray and elevator settings

Devices include a platform having a media side that supports sheets of media. The platform moves in a direction perpendicular to the surface upon which the devices rests between a home position and a plurality of paper supply positions located in an upward direction from the home position. A user interface displays a first reload option that, when selected, lowers the platform to the home position for reloading the sheets of media onto the platform. The user interface also displays an accessibility option for reloading the sheets of media onto the platform that, when selected, lowers the platform to an accessibility position that is in the upward direction relative to the home position.

Paper feed tray

A paper feed tray includes: a tray main body which holds a sheet such that the sheet can be fed in a predetermined paper feed direction; and a regulation plate which can be moved in a side direction perpendicular to the paper feed direction and which regulates the position of the held sheet in the side direction. In the tray main body, a first engagement tooth row and a second engagement tooth row whose engagement teeth are aligned in the side direction are provided so as to be opposite each other, and the first engagement tooth row is higher than the second engagement tooth row. In the regulation plate, an engagement member is provided which can be moved in the direction of height of the engagement tooth rows and which engages with the engagement tooth rows to reduce the movement of the regulation plate in the side direction.

LONG LENGTH SHEET LOADER AND IMAGE FORMING APPARATUS INCORPORATING THE LONG LENGTH SHEET LOADER

A long sheet loader, which is included in an image forming apparatus, includes an attaching device and a base loading body. The attaching device is attached to a bypass tray configured to be openable or closable relative to a side face of an apparatus body of an image forming apparatus. The base loading body is attached to the bypass tray via the attaching device and movably in a sheet feeding direction of the bypass tray. The base loading body loads a long length sheet set on the bypass tray in a case in which a length of the long length sheet exceeds a length of the bypass tray. 1. A long length sheet loader comprising:an attaching device attached to a bypass tray configured to be openable or closable relative to a side face of an apparatus body of an image forming apparatus; anda base loading body attached to the bypass tray via the attaching device and movably in a sheet feeding direction of the bypass tray,the base loading body to load a long length sheet set on the bypass tray in a case in which a length of the long length sheet exceeds a length of the bypass tray.2. The long length sheet loader according to claim 1 ,wherein, when the base loading body is pulled out from the bypass tray, the attaching device supports the base loading body vertically rotatably with respect to the bypass tray and retains the base loading body at a predetermined angle.3. The long length sheet loader according to claim 1 , further comprising an extendable loading body attached to the base loading body movably in the sheet feeding direction of the base loading body to load the long length sheet across the bypass tray and the base loading body in a case in which the length of the long length sheet exceeds a sum of a length of the bypass tray and a length of the base loading body.3. The long length sheet loader according to claim 2 , further comprising a regulator disposed to a closing side from a pull-out position at which the base loading body loads the long length sheet at the ...

Paper Feed Cassette and Image Forming Apparatus

A paper feed cassette provided with a size detection mechanism that detects the size of paper contained in the paper feed cassette, the size detection mechanism including: a link plate that moves along a paper feed direction with movement of side limitation plates in the width direction; a size detection member that is provided relative to the link plate, that moves with movement of the link plate along the paper feed direction, and that can enter a state in which the size detection member is abutting or not abutting an externally provided size detection sensor in the width direction of the paper; and a biasing member that provides the link plate with a biasing force in a direction of the movement of the link plate. 1. A paper feed cassette provided with a size detection mechanism that detects the size of paper contained in the paper feed cassette , a pair of side limitation plates that abuts opposite lateral sides of the paper from a width direction intersecting a paper feed direction of the paper;', 'a link member that moves along the paper feed direction with movement of the side limitation plates in the width direction;', 'a size detection member that is provided relative to the link member, that moves with movement of the link member along the paper feed direction, and that can enter a state in which the size detection member is abutting or not abutting an externally provided size detection sensor in the width direction of the paper; and', 'a biasing member that provides the link member with a biasing force in a direction of the movement of the link member., 'the size detection mechanism including2. The paper feed cassette according to claim 1 , whereina direction in which the link member is biased by the biasing member is a direction in which the limitation plates abut the paper in the width direction of the paper.3. The paper feed cassette according to claim 1 , whereinthe link member biased by the biasing member causes the pair of side limitation plates to ...

STACKING DEVICE AND IMAGE FORMING APPARATUS

A stacking device includes a stacking unit, a regulation member, an interlocking member, a pivoting member provided on the interlocking member, a sensor having an output, and a determination unit. The stacking unit stacks a sheet on the stacking unit. The regulation member moves in a first direction and a second direction opposite to the first direction and regulates a position of the sheet by abutting on an edge of the sheet stacked in the stacking unit. The interlocking member interlocks with the regulation member. The pivoting member rotates. The sensor output changes based on positions of the interlocking member and the pivoting member. The determination unit determines a size of the sheet based on the output of the sensor. 1. An image forming apparatus comprising:a stacking plate;a lift up device, wherein a sheet is to be stacked on the stacking plate and the lift up device is configured to raise and lower the stacking plate with the sheet;a feeding member configured to feed the sheet stacked on the stacking plate;an image forming unit configured to form an image on the sheet fed by the feeding member;a regulation member configured to be movable in a first direction and a second direction opposite to the first direction and configured to regulate a position of the sheet by abutting on an edge of the sheet stacked on the stacking plate;a first detection member configured to be detected and configured to move in a direction parallel to a moving direction of the regulation member in conjunction with the regulation member;a second detection member configured to be detected, provided on the first detection member, and configured to move with respect to the first detection member;a lifter gear provided on the lift up device and configured to raise and lower the lift up device, wherein the lifter gear is on a line of extension of the moving direction of the first detection member;a sensor having an output configured to change based on a position of the first detection ...

CART CHASIS

A cart chassis is described which includes: multiple areas inside the chassis to accommodate either of two different types of modular accessory trays in multiple configurations. An upper platform of the chassis is to support a print engine. 1. A cart chassis comprising:multiple areas inside the chassis to accommodate either of two different types of modular accessory trays in multiple configurations; andan upper platform of the chassis to support a print engine.2. The cart chassis of claim 1 , further comprising an uninterrupted surface spanning between adjacent accessory trays.3. The cart chassis of claim 1 , further comprising two of the modular accessory trays claim 1 , each of the two modular accessory trays comprising a print media tray to contain a supply of a print medium claim 1 , the print media trays being openable in a direction toward a front of the chassis for loading the print medium in the print media trays.4. The cart chassis of claim 3 , further comprising a single access door on a side of the chassis providing access for clearing a print medium jam at either of the two print media trays.5. The cart chassis of claim 1 , further comprising two of the modular accessory trays claim 1 , wherein one of the accessory trays is a print media tray to contain a supply of a print medium and one of the multiple accessory trays is a storage tray claim 1 , both trays being openable in a direction toward a front of the chassis for access to an interior of either tray.6. The cart chassis of claim 1 , further comprising a skateboard supporting the chassis claim 1 , the skateboard comprising wheels to facilitate movement of the chassis.7. The cart chassis of claim 1 , further comprising a number of spanners dividing an interior of the chassis into the areas for different accessory trays.8. A printing device comprising:a print engine; multiple areas inside the chassis to accommodate either of two different types of modular accessory trays in multiple configurations; ...

SHEET SUPPORTING DEVICE

A sheet supporting device comprises a first supporting unit, a second supporting unit provided to the first supporting unit and drawable in a draw direction from an insert position, a supporting portion on which sheets are supported and provided ascendably/descendably in the first supporting unit, first and second turning portions configured to turn in linkage with an ascendance and descendance move of the supporting portion, an elevation portion, and an indicator. The elevation portion, whose one end is connected with the first turning portion and another end is connected with the second turning portion, is configured to form a link mechanism together with the first and second turning portions and the first supporting unit. The indicator is provided in the second supporting unit and indicates an amount of the sheets supported on the supporting portion by moving in response to an ascendance and descendance move of the elevation portion. 1. A sheet supporting device , comprising:a first supporting unit;a second supporting unit provided to the first supporting unit and drawable in a draw direction from an insert position;a supporting portion on which sheets are supported and provided ascendably/descendably in the first supporting unit;first and second turning portions configured to turn in linkage with an ascendance and descendance move of the supporting portion;an elevation portion whose one end is connected with the first turning portion and another end is connected with the second turning portion, the elevation portion configured to form a link mechanism together with the first and second turning portions and the first supporting unit; andan indicator provided in the second supporting unit and indicating an amount of the sheets supported on the supporting portion by moving in response to an ascendance and descendance move of the elevation portion.2. The sheet supporting device according to claim 1 , wherein the elevation portion ascends/descends while keeping in ...

IMAGE FORMING APPARATUS, STORAGE MEDIUM, AND LIFE DETERMINATION METHOD

An image forming apparatus including: a sheet feeding roller which feeds a sheet accumulated on a tray; and a hardware processor which: detects a movement speed of the sheet currently fed by the sheet feeding roller; and calculates a difference amount between the movement speed and a first reference speed, and determines a life of the sheet feeding roller based on the difference amount, wherein the hardware processor determines whether or not to use the movement speed of a first sheet for life determination based on a relationship between the movement speed of the first sheet and the movement speed of a sheet fed before the first sheet, and if the hardware processor determines not to use the movement speed of the first sheet for the life determination, the hardware processor calculates the difference amount by excluding the movement speed of the first sheet. 1. An image forming apparatus comprising:a sheet feeding roller which feeds a sheet accumulated on a tray; anda hardware processor which:detects a movement speed of the sheet that is currently fed by the sheet feeding roller; andcalculates a difference amount between the movement speed and a first reference speed, and determines a life of the sheet feeding roller based on the difference amount, whereinthe hardware processor determines whether or not to use the movement speed of a first sheet for life determination based on a relationship between the movement speed of the first sheet and the movement speed of a sheet which is fed before the first sheet, and if the hardware processor determines not to use the movement speed of the first sheet for the life determination, the hardware processor calculates the difference amount by excluding the movement speed of the first sheet.2. The image forming apparatus according to claim 1 , comprising a first sensor which is arranged downstream of the sheet feeding roller in a conveyance direction of the sheet and detects arrival of a front end of the sheet which is fed claim ...

IMAGE FORMING APPARATUS

An image forming apparatus includes a first frame member and a second frame member which are aligned in a direction of a rotation axis of an image bearing member and faces each other across an image forming unit and a stacking unit. The first frame member includes a first portion including a first side surface facing the image forming unit and a second portion, which is fixed to the first portion, including a second side surface facing the stacking unit. The second frame member includes a third side surface facing the image forming unit and the stacking unit, and at least a part of the second side surface is provided in a position different from a position of the first side surface in the direction of the rotation axis of the image bearing member. 1. An image forming apparatus comprising:an image forming unit configured to transfer a toner image formed on an image bearing member onto a recording medium;a stacking unit on which a recording medium to be conveyed to the image forming unit is stacked; anda first frame member and a second frame member which are aligned in a direction of a rotation axis of the image bearing member and face each other across the image forming unit and the stacking unit,wherein the first frame member includes a first portion and a second portion, the first portion including a first side surface facing the image forming unit, the second portion being provided separately from the first portion and including a second side surface facing the stacking unit, and the second portion is fixed to the first portion,wherein the second frame member includes a third side surface facing the image forming unit and the stacking unit, and the second frame member is an integrally-formed frame member, andwherein at least a part of the second side surface is provided in a position different from a position of the first side surface, in the direction of the rotation axis of the image bearing member.2. An image forming apparatus according to claim 1 , wherein the ...

IMAGE FORMING APPARATUS

An image forming apparatus includes a stack portion on which a sheet is to be stacked, a regulating portion, a first detection device which includes a rotary variable resistor, a second detection, and a control unit. The regulating portion regulates a position of an edge of the stacked sheet. The first detection device outputs a detection signal based on the rotary variable resistor. The rotary variable resistor rotates in accordance with the sheet edge position regulated by the regulating portion. The second detection device detects presence or absence of the stacked sheet. The control unit calculates a calculated sheet width of the stacked sheet based on the output detection signal. The control unit sets the calculated sheet width after a first predetermined time has elapsed since the second detection device detects that the sheet is stacked on the stack portion as a detected sheet width of the stacked sheet. 1. An image forming apparatus comprising:a stack portion on which a sheet is to be stacked;a regulating portion configured to regulate a position of an edge of the stacked sheet;a first detection device which includes a rotary variable resistor and is configured to output a detection signal based on the rotary variable resistor, wherein the rotary variable resistor is configured to rotate in accordance with the sheet edge position regulated by the regulating portion;a second detection device configured to detect presence or absence of the stacked sheet; anda control unit configured to calculate a calculated sheet width of the stacked sheet based on the output detection signal,wherein the control unit sets the calculated sheet width of the sheet calculated based on the detection signal after a first predetermined time has elapsed since the second detection device detects that the sheet is stacked on the stack portion as a detected sheet width of the stacked sheet.2. The image forming apparatus according to claim 1 , wherein the control unit updates the ...

Paper feed apparatus and image forming apparatus

A paper feed apparatus comprises a paper feed section, a separation section, a rotating body and a control device. The paper feed section feeds an image receiving medium that is placed. The separation section is arranged at a downstream side of the paper feed section in a conveyance direction of the image receiving medium. If a plurality of the image receiving media fed from the paper feed section is overlapped, the separation section separates the plurality of the image receiving media that is overlapped. The rotating body is arranged at the upstream side of the separation section in the conveyance direction of the image receiving medium. The rotating body is capable of contacting with the placed image receiving medium. The rotating body is rotatable. The control device carries out control to rotate the rotating body at least before an operation of the paper feed section.

IMAGE FORMING APPARATUS

An image forming apparatus, including: a decision unit configured to decide a size of a recording material on a manual feed tray; a storage unit configured to store the size of the recording material decided by the decision unit when the image forming apparatus is shifted from a first mode in which power is supplied to the decision unit to a second mode in which the power is not supplied to the decision unit; a display unit configured to display information; and a control unit configured to cause the display unit to display a screen for confirming the size of the recording material on the manual feed tray in a case where the size of the recording material decided by the decision unit when the apparatus is shifted from the second mode to the first mode does not match the size of the recording material stored in the storage unit. 1. An image forming apparatus , comprising:a manual feed tray on which a recording material is stacked;a first detecting unit configured to detect presence of the recording material on the manual feed tray;a second detecting unit configured to detect a length of the recording material on the manual feed tray in a direction perpendicular to a conveyance direction of the recording material;a third detecting unit configured to detect a length of the recording material on the manual feed tray in the conveyance direction;a decision unit configured to decide a size of the recording material based on detection results of the first, the second, and the third detecting unit, the image forming apparatus being operable in a first mode in which power is supplied to the decision unit and a second mode in which the power is not supplied to the decision unit;a storage unit configured to store the size of the recording material decided by the decision unit when the image forming apparatus is shifted from the first mode to the second mode;a display unit configured to display information; anda control unit configured to cause the display unit to display a ...

SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS

A sheet feeding device includes a recording-medium container member that contains a recording medium; a restriction member that extends, at a downstream side of the recording-medium container member in a transporting direction of the recording medium, from one end side of the recording-medium container member in a width direction toward a location above the recording medium contained in the recording-medium container member, the restriction member including a restricting portion that restricts upward movement of the recording medium; and a guide member provided at the one end side of the recording-medium container member in the width direction and located upstream of the restriction member in the transporting direction of the recording medium, the guide member pressing the recording medium toward the other end side of the recording-medium container member in the width direction to adjust the transporting direction of the recording medium. 1. A sheet feeding device comprising:a recording-medium container member configured to contain a recording medium;a restriction member that extends, at a downstream side of the recording-medium container member in a transporting direction of the recording medium, from one end side of the recording-medium container member in a width direction toward a location above the recording medium contained in the recording-medium container member, the restriction member including a restricting portion configured to restrict upward movement of the recording medium;a guide member provided at the one end side of the recording-medium container member in the width direction and located upstream of the restriction member in the transporting direction of the recording medium, the guide member being configured to press the recording medium toward the other end side of the recording-medium container member in the width direction to adjust the transporting direction of the recording medium; anda projecting guide member provided on a lower portion of ...

DAMPER DEVICE AND IMAGE FORMING APPARATUS

An image forming apparatus includes a main body, a moving part supported movably relative to the main body, a support portion provided in the main body to support the moving part movably, a rack provided in one of the main body and the moving part and having a rack gear, a damper gear provided in the other of the main body and the moving part to be meshed with the rack gear, a damper configured to apply resistance force to rotation of the damper gear, and a restricting portion provided in the other of the main body and the moving part to be in contact with an abutting portion extending along the rack gear in the rack, the restricting portion restricting a position of the rack to prevent the rack gear from separating from the damper gear. 1. An image forming apparatus comprising:a main body;a moving part supported movably relative to the main body;a support portion provided in the main body to support the moving part movably;a rack provided in one of the main body and the moving part and having a rack gear;a damper gear provided in the other of the main body and the moving part to be meshed with the rack gear;a damper configured to apply resistance force to rotation of the damper gear; anda restricting portion provided in the other of the main body and the moving part to be in contact with an abutting portion extending along the rack gear in the rack, the restricting portion restricting a position of the rack to prevent the rack gear from separating from the damper gear.2. The image forming apparatus according to claim 1 ,wherein the abutting portion is provided in an end portion of the rack opposite from the rack gear.3. The image forming apparatus according to claim 1 ,wherein the damper gear has a flange portion,wherein the image forming apparatus further comprises a restricting member provided integrally with the restricting portion and a contact portion in contact with the flange portion, andwherein the contact portion and the restricting portion prevent the ...

SHEET HOLDER, SHEET FEEDING DEVICE INCORPORATING THE SHEET HOLDER, AND IMAGE FORMING APPARATUS INCORPORATING THE SHEET HOLDER

A sheet holder includes a regulator, a rotary body, a detection target, a rotational position detector, and a biasing body. The regulator moves in directions to approach and separate from an end portion of a sheet. The rotary body has a contact portion and rotates according to movement of the regulator. The detection target is attached to the rotary body, has a contact target portion, and rotates together with the rotary body by contacting of the contact portion of the rotary body with the contact target portion of the detection target in a rotational direction of the rotary body. The rotational position detector detects a rotational position of the detection target. The biasing body applies a biasing force between the rotary body and the detection target to maintain a contact state of the contact portion of the rotary body and the contact target portion of the detection target. 1. A sheet holder comprising:a regulator to move in directions to approach an end portion of a sheet and separate from the end portion of the sheet;a rotary body having a contact portion, the rotary body to rotate according to movement of the regulator;a detection target attached to the rotary body and having a contact target portion, the detection target to rotate together with the rotary body by contacting of the contact portion with the contact target portion of the detection target in a rotational direction of the rotary body;a rotational position detector to detect a rotational position of the detection target; anda biasing body to apply a biasing force between the rotary body and the detection target to maintain a contact state of the contact portion of the rotary body and the contact target portion of the detection target.2. The sheet holder according to claim 1 , further comprising:a rotary shaft provided to one of the rotary body and the detection target; andan engaging opening provided to another of the rotary body and the detection target,wherein one of the contact portion of the ...

IMAGE FORMING APPARATUS

An image forming apparatus includes a stacking unit having a stack tray, a conveyance unit, an image forming unit, a direct current (DC) brush motor, a drive unit, a detector, a first determiner, and a second determiner. An image forming unit forms an image on a sheet conveyed by the conveyance unit from the stack tray. The drive unit drives the DC brush motor to lift and lower the stack tray in a vertical direction. The detector detects a drive current flowing through a DC brush motor winding. The first determiner determines a DC brush motor rotor rotation amount based on the number of times an absolute value of a current value of the detected drive current changes from a value smaller than a threshold to a value greater than the threshold. The second determiner determines a residual amount of stack tray stacked sheets based on the determined rotation amount. 1. An image forming apparatus comprising:a stacking unit including a stack tray on which a sheet is to be stacked;a conveyance unit configured to convey the sheet stacked on the stack tray;an image forming unit configured to form an image on the sheet conveyed by the conveyance unit;a direct current (DC) brush motor configured to lift and lower the stack tray in a vertical direction;a drive unit configured to drive the DC brush motor;a first detector configured to detect a drive current flowing through a winding of the DC brush motor;a first determiner configured to determine a rotation amount of a rotor of the DC brush motor based on the number of times an absolute value of a current value of the drive current detected by the first detector changes from a value smaller than a threshold to a value greater than the threshold; anda second determiner configured to determine a residual amount of sheets stacked on the stack tray based on the rotation amount determined by the first determiner.2. The image forming apparatus according to claim 1 , further comprising an extraction unit configured to extract a signal in ...

SHEET FEED APPARATUS AND IMAGE FORMING APPARATUS HAVING THE SAME

A sheet feed apparatus includes a sheet separation unit, and the sheet separation unit includes a separation roller that is provided so as to be brought into contact to an outer peripheral surface of a sheet feed roller, and separates a sheet fed by the sheet feed roller into one. The sheet separation unit comprises a hook for rotatably supporting the sheet separation unit in a main body casing of the sheet feed apparatus and an engaging claw that makes the sheet separation unit engage with the main body casing. Therefore, the sheet separation unit is held in the main body casing detachably. 1. A sheet feed apparatus , comprising:a sheet placing tray for placing sheets, provided on an apparatus main body;a sheet feed roller feeding the sheets picked-up from the sheet placing tray; anda sheet separation unit including a separation member that is provided so as to be brought into contact with an outer peripheral surface of the sheet feed roller and separates the sheets fed by the sheet feed roller into one, whereinthe sheet separation unit is held on the apparatus main body by a support portion that supports the sheet separation unit rotatably on the apparatus main body and an engaging portion that engages, by elastic deformation, the sheet separation unit on the apparatus main body, andthe support portion is provided in an upstream side from the engaging portion and the sheet separation unit in a sheet feeding direction and is provided with an interval to the sheet separation unit in the sheet feeding direction, andthe engaging portion is provided inside the separation member in a direction orthogonally intersecting the sheet feeding direction.2. The sheet feed apparatus according to claim 1 , wherein the engaging portion is provided in a downstream side from the separation member in the sheet feeding direction and is provided with an interval to the sheet separation unit in the sheet feeding direction.3. The sheet feed apparatus according to claim 1 , wherein the ...

SHEET TRAY AND IMAGE FORMING DEVICE

A sheet tray configured to accommodate a sheet includes a first tray, a second tray directly connectable to the first tray, and a third tray directly connectable to the first tray and to the second tray in a state where the second tray is disengaged from the first tray, the third tray being made of metal. The sheet tray is configured to take a first state where the first tray is directly connected to the second tray and a second state where the third tray connects the first tray to the second tray. The sheet tray is configured to accommodate a sheet having a first size in the first state and a sheet having a second size longer than the sheet having the first size in the second state. 1. A sheet tray configured to accommodate a sheet comprising:a first tray;a second tray directly connectable to the first tray; anda third tray directly connectable to the first tray and to the second tray in a state where the second tray is disengaged from the first tray, the third tray being made of metal,wherein the sheet tray configured to take a first state where the first tray is directly connected to the second tray and a second state where the third tray connects the first tray to the second tray, the sheet tray being configured to accommodate a sheet having a first size in the first state and a sheet having a second size longer than the sheet having the first size in the second state..2. The sheet tray according to claim 1 ,wherein the second tray includes an end guide that guides an end of a sheet in a longitudinal direction and a guide rail configured to guide movement of the end guide in the longitudinal direction,the first tray includes a fitting unit that engages with an upper surface and a lower surface of the guide rail, andthe third tray includes a connection unit inserted into the fitting unit to be connected to the first tray.3. The sheet tray according to claim 2 ,wherein the second tray includes a protrusion that restricts sliding of the end guide on an upper ...

IMAGE FORMING APPARATUS

An image forming apparatus includes an image forming section a casing, and an open-close section. The image forming section forms an image on a sheet. The casing internally houses the image forming section. The casing includes a first opening formed in a front surface of the casing and a second opening formed in an upper surface of the casing. The open-close section includes a first cover, a second cover, and an interlocking section. The first cover includes a first cover main body that opens and closes the first opening. The second cover includes a second cover main body that opens and closes the second opening. The interlocking section opens the second cover main body as the first cover main body is opened. 1. An image forming apparatus , comprising:an image forming section configured to form an image on a recording medium;a casing configured to internally house the image forming section; andan open-close section, whereinthe casing includes a first opening formed in a side surface of the casing and a second opening formed in an upper surface of the casing, and a first cover including a first cover main body that opens and closes the first opening;', 'a second cover including a second cover main body that opens and closes the second opening; and', 'an interlocking section configured to open the second cover main body as the first cover main body is opened., 'the open-close section includes2. The image forming apparatus according to claim 1 , whereinthe first cover further includes a first shaft located in a lower edge portion of the first cover main body,the second cover further includes a second shaft,the second shaft is located in an edge portion of the second cover main body away from the first cover,when the first cover main body is in a first closed position for covering the first opening and the second cover main body is in a second closed position for covering the second opening, an end surface of the second cover main body toward the first cover faces the ...

PRINTER

A printer includes a body, a feed tray that stores paper and is slidable between a first position corresponding to a drawn-out position from the body and a second position corresponding to an accommodated position, a printer that performs printing on paper supplied from the feed tray located at the second position, and a regulation unit provided on the body and pivotable between a first posture not regulating movement of the feed tray and a second posture regulating movement of the feed tray. The feed tray includes a pressing portion and a regulated portion. 1. A printer comprising:a device body;a printing unit;a regulation unit provided on the device body;a feed tray; anda pressing portion and a regulated portion provided on the feed tray; whereinthe regulation unit is movable between a first posture and a second posture by contacting the pressing portion depending on a position of the feed tray; andthe regulation unit and the regulated portion engage with each other in the second posture.2. The printer according to claim 1 , wherein the feed tray stores a recording medium and is capable of sliding between a first position corresponding to a drawn-out position from the device body and a second position corresponding to an accommodated position within the device body.3. The printer according to claim 2 , wherein the regulation unit is pivotable between the first posture not regulating sliding of the feed tray and the second posture regulating sliding of the feed tray.4. The printer according to claim 3 , wherein the pressing portion presses a portion of the regulation unit in a first direction from the first position toward the second position to pivot the regulation unit from the first posture to the second posture when the feed tray slides from the first position and reaches the second position.5. The printer according to claim 4 , wherein the regulated portion is pressed in the first direction by another portion of the regulation unit moved to the second posture ...

Medium cassette and image forming apparatus

A medium cassette is configured to be held and attached to a main body of an image forming apparatus so that the medium cassette slides in an insertion direction or a pullout direction relative to the image forming apparatus. The medium cassette includes a rear side guide for guiding a medium to be placed at a rear side in the pullout direction; a locking member disposed to be able to engage with a body of the medium cassette for regulating a position of the rear side guide relative to the body of the medium cassette; and a movement conversion member for converting a movement of the rear side guide generated by an impact when the medium cassette is attached to the body of the image forming apparatus to a movement of the locking member in a direction that the locking member engages with the body of the medium cassette.

IMAGE FORMING DEVICE

An image forming device includes a device body; a conveyance table that is inserted into and pulled out of the device body and that forms a conveyance path for a sheet; a sheet mount tray; a paper feeder that feeds the sheet from the sheet mount tray to the conveyance path; and a movable support that movably supports the paper feeder on the conveyance table in a state where the conveyance table is pulled out of the device body. The paper feeder covers a predetermined part of the conveyance path in a state where the paper feeder disposed on the conveyance table is inserted into the device body, the sheet mount tray is disposed in the device body and separates from the paper feeder when the conveyance table is pulled out of the device body, and the paper feeder moves away from the predetermined part. 1. An image forming device , comprising:a device body;a conveyance table that is inserted into and pulled out of the device body and that forms a conveyance path for a sheet;a sheet mount tray on which the sheet is placed;a paper feeder that is disposed on the conveyance table and that feeds the sheet from the sheet mount tray to the conveyance path; anda movable support that movably supports the paper feeder on the conveyance table in a state where the conveyance table is pulled out of the device body, whereinthe paper feeder covers a predetermined part of the conveyance path in a state where the paper feeder together with the conveyance table are inserted into the device body,the sheet mount tray is disposed in the device body, and separates from the paper feeder when the conveyance table is pulled out of the device body, andthe paper feeder movably supported by the movable support moves away from the predetermined part.2. The image forming device according to claim 1 , wherein the paper feeder includes a protective cover on a side facing the conveyance table in the state where the conveyance table is inserted into the device body.3. The image forming device according ...

SUPPLY UNIT AND IMAGE FORMING APPARATUS

A supply unit holds a supply unit including a pickup roller for supplying a sheet, enables the supply unit including the pickup roller to be installed into an image forming apparatus, and includes a roller-protecting member. The roller-protecting member has a roller-protecting surface that covers the pickup roller of the supply unit and includes engaging pawls that can engage and integrally hold the supply unit including the pickup roller with the roller-protecting surface covering the pickup roller. 1. A supply unit that is to be installed into an image forming apparatus , comprising:a supply member that supplies a sheet;a unit body that includes an engaged portion to be engaged and supports the supply member; anda cover member that includes a cover portion that covers the supply member and an engaging portion that is to engage with the engaged portion, the cover member being detachable from the supply unit both in a state in which the supply unit has been installed into the image forming apparatus and in a state in which the supply unit has not been installed into the image forming apparatus.2. The supply unit according to claim 1 ,wherein the supply member is a supply roller that is rotatable about a shaft.3. The supply unit according to claim 2 , further comprising:a conveyance member that conveys the sheet supplied by the supply member to a downstream side in a direction in which the sheet is conveyed,wherein the unit body integrally holds the conveyance member and the supply member.4. The supply unit according to claim 3 ,wherein the cover member includes an interference portion that comes into contact with and interferes with part of the image forming apparatus, andwherein the engaging portion disengages from the engaged portion such that the interference portion of the cover member interferes with the part of the image forming apparatus when the supply unit is installed into the image forming apparatus.5. An image forming apparatus comprising:an installation ...

Variable Separation Pads Based on Lift Height, and Methods to Rotate or Curve the Pads

Separation strips in a dam aid in the separation of adjacent sheets of media being fed from a stack of sheets so that only one sheet is fed to a process station and, more particularly, to separating the uppermost or top sheet of a stack of sheets from the next adjacent sheet during feeding of the top sheet from the stack of sheets of media. When a lift plate is present that adjusts the height of the media stack, rotation of the separation strips to maintain a constant separation angle improves media feed reliability. Curvature of the separation strips may also maintain the separation angle as the lift plate raises the position of the top media sheet. 1. An apparatus for maintaining a separation angle of a media stack with respect to a dam in a printer media tray comprising:a printer;a media tray;a lift plate in the media tray for lifting a media stack;a dam adjacent the front end of the media tray;at least one separation strip in the dam; andgear linkage in the media tray for raising the lift plate as the media stack is depleted that rotates the separation strips in the dam such that the separation angle between the lift plate and the separation strips remains constant.2. (canceled)3. (canceled)4. An apparatus for maintaining a separation angle of a media stack with respect to a dam in a printer media tray comprising:a printer,a media tray;a lift plate in the media tray for lifting a media stack;a dam adjacent the front end of the media tray;at least one separation strip in the dam; andgear linkage in the media tray for raising the lift plate as the media stack is depleted that rotates the separation strips in the dam such that the separation angle between the lift plate and the separation strips remains constant,wherein the dam rotates with the separation strips.5. (canceled)6. (canceled)7. (canceled)8. The apparatus according to An apparatus for maintaining a separation angle of a media stack with respect to a darn in a printer media tray comprising:a printer;a ...

SHEET LOADER AND IMAGE FORMING APPARATUS INCORPORATING THE SHEET LOADER

A sheet loader includes a housing and a fence. The housing has a bottom face. The fence is movable in a fence moving direction and configured to regulate a position of an end face of the sheet to be loaded in the housing. The fence includes a sliding face and a bend. The sliding face is configured to slide on the bottom face of the housing as the fence moves. The bend is disposed at an end of the sliding face in the fence moving direction and bent in a direction away from the bottom face of the housing. 1. A sheet loader comprising:a housing having a bottom face; anda fence movable in a fence moving direction and configured to regulate a position of an end face of a sheet to be loaded in the housing, a sliding face configured to slide on the bottom face of the housing as the fence moves; and', 'a bend disposed at an end of the sliding face in the fence moving direction and bent in a direction away from the bottom face of the housing., 'the fence including'}2. The sheet loader according to claim 1 , further comprising a loading body disposed above the bottom face of the housing and configured to load the sheet claim 1 ,wherein the sliding face of the fence is located between the loading body and the bottom face, andwherein an angle of a bent surface of the bend and the bottom face of the housing is an angle less than 90 degrees.3. The sheet loader according to claim 1 , further comprising a sliding target portion on the bottom face of the housing claim 1 ,wherein the sliding face of the fence is configured to contact the sliding target portion having a width in a direction orthogonal to the fence moving direction, smaller than a width of the sliding face in the direction orthogonal to the fence moving direction.4. The sheet loader according to claim 1 ,wherein the fence has an opposite area facing the bottom face of the housing over a range in an orthogonal direction to the fence moving direction,wherein a bent surface of the bend projects from a part of the opposite ...

MEDIUM FEEDING APPARATUS

A medium feeding apparatus includes a medium mounting section, a movable edge guide that guides both edges of the medium mounted on the medium mounting section and has a first edge guide and a second edge guide, a feeding section, and a width adjuster configured to adjust a guide width depending on the medium. The width adjuster includes a first adjuster having a first holding section and a first guiding section, and the second adjuster having a second holding section and a second guiding section. The first holding section holds a part of the first edge guide, the first guiding section guides the edge of the medium between the first edge guide and the second guiding section, the second holding section holds a part of the second edge guide, and the second guiding section guides the edge of the medium between the second edge guide and the first guiding section. 1. A medium feeding apparatus comprising:a medium mounting section on which a medium is to be mounted;a movable edge guide configured to guide both edges of the medium mounted on the medium mounting section, the edge guide having a first edge guide and a second edge guide;a feeding section configured to feed the medium mounted on the medium mounting section;a width adjuster detachably attached to the edge guide, the width adjuster being configured to adjust a guide width depending on the medium, whereinthe width adjuster comprises a first adjuster having a first holding section and a first guiding section, and the second adjuster having a second holding section and a second guiding section,the first holding section holds a part of the first edge guide,the first guiding section guides the edge of the medium between the first edge guide and the second guiding section,the second holding section holds a part of the second edge guide, andthe second guiding section guides the edge of the medium between the second edge guide and the first guiding section.2. The medium feeding apparatus according to claim 1 , wherein ...

SHEET FEEDING DEVICE AND CONTROL METHOD THEREFOR

Sheets are set on the top face of a lift plate. A lift mechanism makes a lift plate ascend and descend. A sheet feeding roller and a distance sensor are provided over the lift plate. The distance sensor measures a distance (measured distance) to a measurement target placed below. Based on the measured distance before the lift plate is raised, the controller calculates a remaining quantity value indicating a remaining quantity of sheets. When, after the lift plate starts to rise, the recognized measured distance becomes equal to or smaller than the upper limit distance, the controller makes the lift mechanism stop raising the lift plate. 1. A sheet feeding device , comprising:a sheet cassette;a lift plate which is provided inside the sheet cassette and on top of which sheets are set;a lift mechanism which makes the lift plate ascend and descend;a sheet feeding roller which is provided over the lift plate, the sheet feeding roller making contact with sheets lifted up by the lift mechanism and feeding out sheets by rotating;a distance sensor which is provided over the lift plate and which measures a measured distance, which is a distance to a measurement target placed below; anda controller,wherein recognizes the measured distance based on an output of the distance sensor,', 'after the sheet cassette is opened and closed, calculates a remaining quantity value indicating a remaining quantity of sheets based on the measured distance recognized before the lift plate is raised, and', 'when, after the lift plate starts to rise, the recognized measured distance becomes equal to or smaller than an upper limit distance prescribed as the measured distance when the lift plate is at an upper limit position, makes the lift mechanism stop raising the lift plate., 'the controller'}2. The sheet feeding device according to claim 1 ,whereinthe lift plate has a hole formed in a detection range of the distance sensor, andwhen the recognized measured distance exceeds a reference distance ...

SHEET FEEDER AND IMAGE FORMING DEVICE

A sheet feeder includes: a cassette main body; a side cursor; and a restriction part. The cassette main body houses a sheet to be fed in a predetermined sheet feeding direction. The side cursor is installed onto the cassette main body to be slidable in a sheet width direction perpendicular to the sheet feeding direction, and positions the sheet in the cassette main body. The restriction part increases sliding load of the side cursor with respect to the cassette main body when the side cursor slides and passes a standard size point that is a stopping position on the cassette main body when a sheet of a standard size is positioned. 1. A sheet feeder comprising:a cassette main body that houses a sheet to be fed in a predetermined sheet feeding direction;a side cursor that is installed onto the cassette main body to be slidable in a sheet width direction perpendicular to the sheet feeding direction and that positions the sheet in the cassette main body; anda restriction part that increases sliding load of the side cursor with respect to the cassette main body when the side cursor slides and passes a standard size point that is a stopping position on the cassette main body when a sheet of a standard size is positioned.2. The sheet feeder according to further comprising:a clicking feeling-provision part that, at the standard size point, provides a clicking feeling to an operator sliding the side cursor.3. The sheet feeder according to claim 1 , whereinthe cassette main body is provided with a rail that extends in the sheet width direction and has a guiding surface that guides a sliding of the side cursor,the side cursor includes a guided piece that is guided by the guide rail, the guided piece including a guided surface that faces the guiding surface across a predetermined gap, andthe restriction part is a structure that narrows the gap when the side cursor passes the standard size point.4. The sheet feeder according to claim 3 , whereinthe cassette main body includes a ...

Sheet feeding cassette, image forming apparatus

The sheet feeding cassette includes a cassette frame, a first lift plate and a second lift plate. The cassette frame includes a bottom plate and side plates extending in the feeding direction. The bottom plate and the side plates form a sheet placement space. The first lift plate is disposed on the bottom plate, configured to rotate up and down around a first axis extending along a width direction perpendicular to the feeding direction, and configured to lift a leading end portion in the feeding direction of the sheet. The second lift plate is configured to rotate up and down around a second axis extending along the feeding direction and to lift a side end portion along the feeding direction of the sheet.

SHEET FEEDING DEVICE AND IMAGING FORMING APPARATUS PROVIDED WITH SAME

A sheet feeding device includes a sheet feeding unit and a feed unit. The sheet feeding unit includes a housing having a pair of wall portions. The feed unit includes a pickup roller and a sheet feed roller. The feed unit includes a holder, a shaft and a pair of bearing portions. The holder has a pair of side walls each having a bearing hole portion. The shaft extends between the pair of side walls. The pair of bearing portions are mounted in the bearing hole portions and rotatably supports the shaft. The housing includes a pair of shaft supporting portions provided on the pair of wall portions and capable of supporting the bearing portions. The feed unit is attached to the housing and the holder swings with the outer peripheral parts of the bearing portions, whereby the pickup roller is vertically movable. 1. A sheet feeding device , comprising:a sheet feeding unit including a housing having a pair of wall portions; anda feed unit detachably attachable to the housing and including a pickup roller configured to feed a sheet and a sheet feed roller configured to further convey the sheet fed by the pickup roller;wherein: a holder having a pair of side walls each having a bearing hole portion open on one end side thereon in a sheet conveying direction;', 'a shaft extending between the pair of side walls and serving as a rotary shaft of the sheet feed roller; and', 'a pair of bearing portions mounted in the bearing hole portions to project outwardly in an axial direction of the shaft from the side walls and configured to rotatably support the shaft;, 'the feed unit includesthe housing includes a pair of shaft supporting portions provided on the pair of wall portions and capable of supporting outer peripheral parts of the bearing portions projecting from the side walls; andwhen the feed unit is attached to the housing, the pair of bearing portions are supported in the pair of shaft supporting portions and the holder swings with the outer peripheral parts of the bearing ...

SHEET STACKING DEVICE, IMAGE FORMING DEVICE, AND REGULATION MEMBER

A sheet stacking device including: a stacking unit; and a regulation member movably supported by the stacking unit and contacting a sheet edge to regulate a sheet position. The regulation member includes: a locking member movable between an engagement position and a disengagement position; a biasing member biasing the locking member toward the engagement position; a force receiver receiving a user operation; a releaser converting a first force in a first direction applied to the force receiver into a second force in a second direction opposing a biasing force from the biasing member, moving the locking member from the engagement position to the disengagement position; and a stopper that, after the locking member disengages from the engaging portion and a user operation is not applied to the force receiver, prevents a movement of the locking member back to the engagement position due to the biasing force from the biasing member. 1. A sheet stacking device , comprising:a stacking unit in which a sheet is stacked; and a locking member that is movable between an engagement position and a disengagement position, the engagement position being a position at which the locking member is engaged with an engaging portion of the stacking unit, and the disengagement position being a position at which the locking member is disengaged from the engaging portion;', 'a biasing member that biases the locking member toward the engagement position;', 'a force receiver that receives a user operation;', 'a releaser that converts a first force in a first direction applied to the force receiver by a user operation into a second force in a second direction opposing a biasing force from the biasing member and being applied to the locking member, moving the locking member from the engagement position to the disengagement position; and', 'a stopper that, after the locking member disengages from the engaging portion and a user operation is not applied to the force receiver, prevents a movement ...

SHEET FEED CASSETTE THAT REGULATES POSITIONAL DISPLACEMENT OF SHEET AND IMAGE FORMING APPARATUS INCLUDING THE SAME

A sheet feed cassette includes a bottom portion, a first cursor, a second cursor, and a fixing rack. The second cursor includes a regulating member, a lock member, and a biasing member. The regulating member abuts on the rear end edge of the sheet to regulate a position of the sheet in the mounting direction. The lock member includes a shaft portion extending in a direction intersecting with the mounting direction and an engaging protrusion located below the shaft portion. The biasing member is located and compressed between the regulating member and the lock member above the shaft portion. The gear teeth of the fixing rack and the engaging protrusion of the lock member engage so as to lock a position of the second cursor in the mounting direction. The regulating member and the lock member are separated above the shaft portion in the locked state. 1. A sheet feed cassette for internally storing sheets , the sheet feed cassette being mounted along a predetermined mounting direction with respect to a housing , the sheet feed cassette comprising:a bottom portion;a first cursor movable along the mounting direction on the bottom portion, the first cursor abutting on an lead end edge of the sheet in the mounting direction;a second cursor movable along the mounting direction on the bottom portion, the second cursor abutting on an rear end edge of the sheet in the mounting direction; anda fixing rack located on the bottom portion so as to extend in the mounting direction, the fixing rack including a plurality of gear teeth formed at a predefined pitch in the mounting direction, the fixing rack fixing a position of the second cursor in the mounting direction, a regulating member that abuts on the rear end edge of the sheet to regulate a position of the sheet in the mounting direction;', 'a lock member that includes a shaft portion extending in a direction intersecting with the mounting direction and an engaging protrusion located below the shaft portion, the lock member ...

SHEET CASSETTE AND IMAGING FORMING APPARATUS PROVIDED WITH SAME

A sheet cassette includes a bottom portion, a pair of side walls, a lift plate and an auxiliary supporting portion. The pair of side walls stand from the bottom portion. The lift plate is arranged on the bottom portion, and a sheet to be fed in a conveying direction is placed on the upper surface of the lift plate. The lift plate includes a pair of fulcrum portions arranged on an upstream side in the conveying direction and is moved to a sheet feeding position for feeding the sheet by being moved upward from a bottom position with the fulcrum portions. The auxiliary supporting portion is arranged inwardly of the pair of fulcrum portions in a sheet width direction, is arranged between the lift plate arranged at the bottom position and the bottom portion and supports the lift plate. 1. A sheet cassette , comprising:a bottom portion;a pair of side walls standing from the bottom portion to face each other;a lift plate arranged on the bottom portion and configured such that a sheet to be fed in a conveying direction along the side walls is placed on the upper surface of the lift plate; andat least one auxiliary supporting portion,wherein:the lift plate includes a pair of fulcrum portions respectively arranged on an upstream side in the conveying direction and supported on the side walls so that the downstream side of the lift plate moves swingably in the vertical direction with the fulcrum portion and is moved to a sheet feeding position for feeding the sheet moved upwardly from a bottom position where the lift plate extends along the bottom portion; andthe auxiliary supporting portion is arranged inwardly of the pair of fulcrum portions in a sheet width direction perpendicular to the conveying direction, is arranged between the lift plate at the bottom position and the bottom portion and supports the lift plate.2. A sheet cassette according to claim 1 , wherein:the at least one auxiliary supporting portion is arranged downstream of the fulcrum portions in the conveying ...

UNIT MOVING APPARATUS AND IMAGE FORMING APPARATUS

A unit moving apparatus includes a unit provided to a main body in such a manner so as to be attached to and pulled out from the main body, a main-body guide portion provided to the main body and configured to guide the unit while restricting rotation of the unit at a time of attaching and pulling out the unit, a pull-in unit configured to apply a pulling force to the unit to pull the unit into the main body, and a unit restriction portion configured to restrict rotation of the unit in such a manner that the units rotates within an angle smaller than an angle to which the main-body guide portion restricts the unit's rotation when a rotation moment is generated by the pulling force of the pull-in unit applied to the unit and a load applied to the unit in a direction opposite to an attachment direction. 1. (canceled)2. An image forming apparatus comprising:a main body including an image forming unit configured to form an image on a sheet;a container configured to contain a sheet on which an image to be formed by the image forming unit and supported by the main body so as to be pulled out in a pulling-out direction from an attached position; a protrusion disposed on one of the main body and the container, and', 'a fitting portion, disposed on the other one of the main body and the container, into which the protrusion fits into in a state that the container is at the attached position;, 'a positioning unit configured to position the container, the positioning unit including,'}a pull-in unit configured to apply a pulling force to the container so that the container is pulled in the attached position, wherein the container is movable in a first area where the container is applied with the pulling force from the pull-in unit and in a second area that is farther from the attached position than the first area in the pulling-out direction and where the container is not applied with the pulling force from the pull-in unit; anda regulating unit configured to regulate a position ...

Supply Module and Method for Supplying Value Documents to a Value Document Preparation Device

A feed module for feeding value documents, in particular bank notes, to a value-document processing apparatus, has a receiving device in which one or more value documents to be processed can be inserted. The receiving device includes a first aligning element which the value documents lying in the receiving device are aligned to with a first edge of the value documents when the receiving device is in a first state, and a second aligning element which the value documents lying in the receiving device are aligned to with a second edge of the value documents when the receiving device is in a second state. A positioning device through which the receiving device is brought from the first state to the second state. 115-. (canceled)16. A feed module for feeding value documents to a value-document processing apparatus , comprising:a receiving device in which one or more value documents to be processed can be inserted, and which has a first aligning element, which respective first edges of the value documents lying in the receiving device are aligned to when the receiving device is in a first state, and which has a second aligning element, which respective second edges of the value documents lying in the receiving device are aligned to when the receiving device is in a second state, anda positioning device through which the receiving device can be brought from the first state to the second state.17. The feed module according to claim 16 , wherein the receiving device in the first state and/or in the second state is inclined by an angle of inclination (α) relative to the horizontal.18. The feed module according to claim 17 , wherein the angle of inclination (α) is at least 10°.19. The feed module according to claim 17 , wherein the angle of inclination (α) of the receiving device in the first state and second state is substantially identical.20. The feed module according to claim 19 , wherein the angle of inclination (α) is at least 10°.21. The feed module according to any of ...

RECORDING-MEDIUM CONTAINER AND IMAGE FORMING APPARATUS

A recording-medium container includes a press portion and an urging member. The press portion is disposed to be movable toward and away from a side of a recording medium stack loaded in the recording-medium container, and pressed against the side. The urging member urges the press portion toward the recording medium stack when a quantity of the recording medium stack exceeds a predetermined load. 1. A recording-medium container , comprising:a press portion disposed to be movable toward and away from a side of a recording medium stack loaded in the recording-medium container, and pressed against the side; andan urging member that urges the press portion toward the recording medium stack when a quantity of the recording medium stack exceeds a predetermined load.2. The recording-medium container according to claim 1 , wherein the urging member urges the press portion toward the recording medium stack using a weight of the recording medium stack.3. The recording-medium container according to claim 2 , further comprising:a support portion that supports from below the recording medium stack loaded in the recording-medium container,wherein the support portion lowers with the weight of the recording medium stack on the support portion, andwherein the urging member urges the press portion toward the recording medium stack using a force from the support portion that lowers.4. The recording-medium container according to claim 1 ,wherein the press portion is provided in a plurality, andwherein the urging member is connected to at least one of the plurality of press portions, and urges the at least one press portion toward the recording medium stack.5. The recording-medium container according to claim 4 ,wherein, when the at least one press portion is urged by the urging member to move toward the recording medium stack, another one of the press portions moves toward the recording medium stack in association with the at least one press portion.6. The recording-medium container ...

FEEDING APPARATUS

A feeding apparatus includes a stacking portion, a regulating portion, a moving portion, and a detection unit. The regulating portion abuts, in a width direction, one side of stacking portion sheets having different widths and regulates movement of the sheets in the width direction. The detection unit detects a position of the moving portion in an intersecting direction. The regulating portion includes an abut portion. By abutting or not abutting the abut portion, the moving portion moves to a first position and a second position. When the moving portion moves to the first position or the second position in a predetermined proceeding direction, the moving portion does not move from the first position or the second position while the regulating portion takes a position where the regulating portion further moves in the predetermined proceeding direction. 1. A feeding apparatus comprising:a stacking portion configured to be stacked with sheets having different widths;a regulating portion disposed on the stacking portion to be movable in a width direction of the sheets and configured to abut one side of the stacked sheets in the width direction and regulate movement of the sheets in the width direction;a moving portion disposed on the stacking portion and movable to a first position and a second position in an intersecting direction intersecting the width direction in accordance with a position of the regulating portion;a detection unit configured to detect a position of the moving portion in the intersecting direction; anda determination unit configured to determine a size of the sheets stacked on the stacking portion based on a detection result of the detection unit,wherein, by abutting or not abutting an abut portion configured to move along with a movement of the regulating portion in the width direction, the moving portion moves to the first position and the second position, andwherein, when the moving portion has moved to the first position by movement of the ...

SHEET SUPPORTING APPARATUS AND IMAGE FORMING APPARATUS

A sheet supporting apparatus includes a supporting portion configured to support a sheet, and a regulation unit configured to regulate a position of edge of the sheet supported by the supporting portion, the regulation unit configured to be moved and positioned with respect to the supporting portion. The regulation unit includes a body portion, an engagement portion supported by the body portion, and configured to move between an engagement position at which the engagement portion engages with the supporting portion and a separation position at which the engagement portion is separated away from the supporting portion, and a regulation portion configured to position the engagement portion with respect to the body portion such that the engagement portion is retained at the engagement position. 1. A sheet supporting apparatus comprising:a supporting portion configured to support a sheet; and a body portion;', 'an engagement portion supported by the body portion, and configured to move between an engagement position at which the engagement portion engages with the supporting portion and a separation position at which the engagement portion is separated away from the supporting portion; and', 'a regulation portion configured to position the engagement portion with respect to the body portion such that the engagement portion is retained at the engagement position., 'a regulation unit configured to regulate a position of edge of the sheet supported by the supporting portion, the regulation unit configured to be moved and positioned with respect to the supporting portion, the regulation unit comprising2. The sheet supporting apparatus according to claim 1 , wherein the regulation portion comprises a fixing component configured to fix the engagement portion positioned at the engagement position to the body portion.3. The sheet supporting apparatus according to claim 2 , wherein the fixing component comprises a screw claim 2 , andthe body portion comprises a female screw to ...

IMAGE FORMING APPARATUS

An image forming apparatus includes a sheet container accommodating a recording medium therein, a sheet separating feeder including a sheet feeding body and a sheet separating body, an image forming part, and a bend applier. The sheet feeding body feeds the recording medium along with a surface movement thereof while the recording medium contacting the surface thereof. The sheet separating body forms a sheet separation nip region with the sheet feeding body and sandwiches the recording medium in the sheet separation nip region. The sheet separating feeder separates and feeds the recording medium contacting the sheet feeding body. The image forming part forms an image on the recording medium. The bend applier having a leading end of an elastic material contacts and bends the recording medium before the sheet separation nip region and generates a wrinkle extending on the recording medium in a sheet conveying direction. 1. An image forming apparatus comprising:a sheet container configured to accommodate a sheet bundle including a sheet therein; and a sheet feeding body having a surface to contact the sheet accommodated in the sheet container and configured to feed the sheet from the sheet container;', 'a sheet separating body configured to contact the sheet feeding body and form a sheet separation nip region with the sheet feeding body, and to sandwich the sheet in the sheet separation nip region;', 'a bend applier disposed upstream from the sheet separation nip region in a sheet conveying direction, the bend applier configured to include a leading end forming member, a first body forming member disposed upstream from the leading end forming member in the sheet conveying direction, and a second body forming member disposed downstream from the leading end forming member in the sheet conveying direction; and', 'a projection configured to contact the sheet, the projection being disposed outside a side end of the sheet separating body in a direction perpendicular to the ...

SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS

A sheet feeding device for feeding a sheet includes a support unit, an open-close member rotatably supported between open and closed positions, a slide member supported in a slidably movable manner and including a rotation shaft portion, and a regulation member supported by the slide member. The open-close member supports the sheet in the open position with the support unit. The regulation member regulates a position of the sheet supported by the support unit or the sheet supported by the support unit and the open-close member. The support unit includes a guide portion that movably guides the rotation shaft portion. If the open-close member is rotated from the open position toward the closed position in a state in which the open-close member is in contact with the slide member, the slide member rotates by following movement of the open-close member with respect to the guide member. 1. A sheet feeding device for feeding a sheet , the sheet feeding device comprising:a support unit configured to support the sheet;a feeding unit configured to feed the sheet supported by the support unit;an open-close member, arranged on an upstream side of the support unit in a feeding direction of the sheet and rotatably supported between an open position and a closed position with respect to the support unit, configured to support the sheet in the open position with the support unit;a slide member supported in a slidably movable manner in the feeding direction with respect to the support unit, the slide member including a rotation shaft portion on a downstream side in the feeding direction; anda regulation member, supported by the slide member, configured to regulate a position on an upstream end in the feeding direction of the sheet supported by the support unit or the sheet supported by the support unit and the open-close member;wherein the support unit includes a guide portion configured to movably guide the rotation shaft portion, andwherein, if the open-close member is rotated ...

Sheet feeder and image forming apparatus

A sheet feeder including: a housing including a mount portion that receives recording media; an open-close portion that is disposed on an upper surface of the housing to close the mount portion and rotates about a first hinge to open or close a mount space over the mount portion; and a manual insertion portion at least part of which is disposed on the open-close portion to receive manually inserted recording media, the manual insertion portion being rotatable about the first hinge or a second hinge disposed parallel to the first hinge to rotate upward from a position where the manual insertion portion overlaps the open-close portion.

IMAGE FORMING APPARATUS

An image forming apparatus includes a receiving portion, an image forming portion, an image heating portion and a controller for controlling an image forming operation so that the image forming operation is started after a lapse of a time from reception of the signal of the image forming job received by the image forming apparatus in a stand-by state in which the image forming apparatus waits for the reception of the signal of the image forming job. 1. An image forming apparatus comprising:a receiving portion configured to receive a signal of an image forming job for forming an image on a recording material and a signal indicative of a time which are sent from an information processing device;an image forming portion configured to form the image on the recording material on the basis of the signal of the image forming job received by said receiving portion;an image heating portion configured to heat the image, formed on the recording material by said image forming portion, in a nip where the recording material is nipped and fed; anda controller configured to control an image forming operation so that the image forming operation is started after a lapse of the time from reception of the signal of the image forming job received by said image forming apparatus in a stand-by state in which said image forming apparatus waits for the reception of the signal of the image forming job.2. An image forming apparatus according to claim 1 , wherein said receiving portion is an operating portion configured to operate said image forming apparatus.3. An image forming apparatus according to claim 1 , wherein said image forming apparatus is capable of selecting a first image forming mode in which the image forming operation is started after the lapse of the time from the reception of the signal of the image forming job received by said image forming apparatus and a second image forming mode in which the image forming operation is started at predetermined timing after the reception of ...

IMAGE FORMING APPARATUS CAPABLE OF RESTRICTING OPENING OF COVER

An image forming apparatus includes an inner cover, an outer cover, a first pressing portion, and a restricting portion. The inner cover is opened and closed for a developer storage portion storing developer to be attached or detached. The outer cover is made of resin and provided on an outer side of the inner cover, and opened and closed in a same direction as the inner cover. The first pressing portion is provided on the outer cover and, when the outer cover is closed in a state where the inner cover is opened, comes into contact with and presses the inner cover in a closing direction. When the inner cover is closed, the restricting portion is engaged with the inner cover at a lock position located on an upstream side of a predetermined closing position of the inner cover in the closing direction, and restricts opening of the inner cover. 1. An image forming apparatus comprising:an inner cover configured to be opened and closed for a developer storage portion storing developer to be attached or detached;an outer cover made of resin provided on an outer side of the inner cover and configured to be opened and closed in a same direction as the inner cover;a first pressing portion provided on the outer cover and configured to, when the outer cover is closed in a state where the inner cover is opened, come into contact with the inner cover and press the inner cover in a closing direction; anda restricting portion configured to, when the inner cover is closed, be engaged with the inner cover at a lock position that is located on an upstream side of a predetermined closing position of the inner cover in the closing direction, and restrict opening of the inner cover.2. The image forming apparatus according to claim 1 , whereinthe closing position is a support position at which the inner cover is supported by the first pressing portion in a case where the outer cover is not warped and the inner cover has been closed accompanied with closing of the outer cover.3. The image ...

RECORDING-MEDIUM SUPPLYING DEVICE AND IMAGE FORMING APPARATUS

A recording-medium supplying device includes a device body, a guide member that guides a side edge of a recording medium contained in the device body, an extension mechanism that extends the device body in accordance with a size of the recording medium, an extension cancellation member that disengages the extension mechanism and the device body from each other, and a partition wall that partitions the guide member and the extension cancellation member from each other. 1. A recording-medium supplying device comprising:a device body;a guide member that guides a side edge of a recording medium contained in the device body;an extension mechanism that extends the device body in accordance with a size of the recording medium;an extension cancellation member that disengages the extension mechanism and the device body from each other; anda partition wall that partitions the guide member and the extension cancellation member from each other.2. A recording-medium supplying device comprising:a device body;a guide member that guides a side edge of a recording medium contained in the device body;an extension mechanism that extends the device body in accordance with a size of the recording medium; andan extension cancellation member that disengages the extension mechanism and the device body from each other,wherein the guide member is moved in an operation direction to guide the side edge of the recording medium, andwherein the extension cancellation member is rotated in a rotational direction to disengage the extension mechanism and the device body from each other.3. The recording-medium supplying device according to claim 1 , wherein the guide member is moved in an operation direction to guide the side edge of the recording medium claim 1 , and the extension cancellation member is rotated in a rotational direction to disengage the extension mechanism and the device body from each other.4. The recording-medium supplying device according to claim 1 , an engagement portion that ...

Sheet storage device and image forming apparatus

A sheet storage device has a rotation restriction portion configured to restrict a rotation of an end cursor from a first posture to a second posture. The rotation restriction portion has: a restriction piece situated on the end cursor and configured to be brought into contact with a guide rail so as to restrict the rotation of the end cursor from the first posture to the second posture; and an engagement recess formed at a given position of the guide rail, the restriction piece being fitted in the engagement recess. The end cursor is allowed to rotate from the first posture to the second posture when the restriction piece is fitted in the engagement recess at the given position of the guide rail.

IMAGE FORMING APPARATUS AND METHOD FOR PREVENTING SETTING ERROR ON SHEET SIZE

Generally, in accordance with one embodiment, an image forming apparatus includes a stacking section, a sensor, a printing unit, a display and a controller. The stacking section is configured to stack a sheet. The sensor is configured to detect the size of the sheet set on the stacking section. The printing unit is configured to form an image on the sheet. The display is configured to display the image. The controller is configured not to display a sheet size except the sheet size detected based on an output signal from the sensor on a setting screen for the sheet size of an image forming object in a detectable status. 1. An image forming apparatus , comprising:a stacking section configured to stack a sheet;a sensor configured to detect only a length in a direction which is orthogonal to a paper feed direction for the sheet which is set on the stacking section;a printing unit configured to form an image on the sheet;a display configured to display the image; anda controller configured to display a setting screen for the sheet size and display buttons for multiple detected sheet sizes in a selectable status and display buttons for other detectable sheet sizes together with the buttons for the multiple detected sheet sizes on the setting screen in a non-selectable gray out status when a plurality of the sheet sizes are detected and the controller accepts a call of the setting screen, the controller configured to set the sheet size to be a maximal size when determining the sheet sizes to be multiple and the controller does not accept the call of the setting screen.2. The image forming apparatus according to claim 1 , whereinthe sensor detects any one of lengths in a longitudinal direction and a lateral direction of the sheet.3. The image forming apparatus according to claim 1 , whereinthe sensor detects any one of the lengths in the longitudinal direction and the lateral direction of the sheet; andthe controller sets the sheet size of the image forming object to be ...

IMAGE FORMING SYSTEM AND IMAGE FORMING APPARATUS

An image forming apparatus comprises an accommodating unit that accommodates recording materials and has a regulating plate that regulates a trailing edge of the recording material in a feeding direction, detects a recording material fed from the accommodating unit, and measures time from a predetermined timing until a recording material is detected. An information processing apparatus receives time data obtained by a measuring unit from the image forming apparatus, classifies a plurality of time data received from a reception unit into a first group and a second group in accordance with a length of time, and determines using time data included in the first group and the time data included in the second group whether a position of the regulating plate is misaligned in relation to a reference position that corresponds to a size of the recording material accommodated on the accommodating unit. 1. An image processing apparatus configured to extract an irradiation field from an image obtained through radiation imaging , comprising:an inference unit configured to obtain an irradiation field candidate in the image based on inference processing;a contour extracting unit configured to extract a contour of the irradiation field based on contour extraction processing performed on the irradiation field candidate; anda field extracting unit configured to extract the irradiation field based on the contour.220.-. (canceled) This application is a continuation of U.S. patent application Ser. No. 17/113,136, filed on Dec. 7, 2020, which claims the benefit of and priority to Japanese Patent Application No. 2019-224025, filed on Dec. 11, 2019 and Japanese Patent Application No. 2020-196337, filed on Nov. 26, 2020, each of which is hereby incorporated by reference herein in their entirety.The present invention relates to an image forming system and an image forming apparatus.An image forming apparatus such as a copy machine or a printer comprises an accommodating unit on which a ...

Sheet conveying device and image reading apparatus

A sheet conveying device includes a conveyor, a first cover, a second cover movable in conjunction with the first cover, and a restricting portion movable between a restricting position at which the second cover is restricted from being moved from a first position toward a second position and an allowable position at which the second cover is allowed to be moved from the first position toward the second position. The restricting portion is located at the restricting position when the first cover is located at the closed position, and the restricting portion is moved from the restricting position to the allowable position in conjunction with the first cover when the first cover is moved from the closed position toward the opened position.

Stacking apparatus and image forming apparatus

To enable placement of a regulating member which regulates a position of an end of a paper sheet at a desired position, and stable sheet feeding. A fixing member for standard size is guided to engage with a fixing hole for standard size and, in a state where the fixing member for standard size positions a trailing end regulator, a fixing member for non-standard size does not engage with a rack gear.

IMAGE FORMING APPARATUS AND RECORDING MATERIAL MOUNT DEVICE

An image forming apparatus includes an apparatus body that forms an image on a recording material; a drawn-out unit that is provided so as to be drawable from the apparatus body and has a mount region on which the recording material is mounted; and a guide unit that is provided on the drawn-out unit and guides the recording material to a position where the recording material is to be mounted on the mount region. The guide unit has a guide surface that guides an end of the recording material, a hook part that is hooked onto the drawn-out unit and determines a position relative to the drawn-out unit, and a release part that releases the hook part from the drawn-out unit by being operated by a user from a guide surface side. 1. An image forming apparatus comprising:an apparatus body that forms an image on a recording material;a drawn-out unit that is provided so as to be drawable from the apparatus body and has a mount region on which the recording material is mounted; anda guide unit that is provided on the drawn-out unit and guides the recording material to a position where the recording material is to be mounted on the mount region,wherein the guide unit has a guide surface that guides an end of the recording material, a hook part that is hooked onto the drawn-out unit and determines a position relative to the drawn-out unit, and a release part that releases the hook part from the drawn-out unit by being operated by a user from a guide surface side.2. The image forming apparatus according to claim 1 , whereinthe guide unit is provided on an upstream side relative to the mount region in a draw out direction in which the drawn-out unit is drawn out; andthe release part is provided on an upstream side relative to the guide surface in the draw out direction.3. The image forming apparatus according to claim 2 , whereinthe guide surface has a cutout; andthe release part is provided on an upstream side relative to the guide surface in the draw out direction so as to face ...

SHEET STORAGE CASSETTE, AND IMAGE FORMING APPARATUS HAVING THE SAME

A sheet storage cassette includes a cassette base and a cover member. The cover member is supported swingably at both ends of a side surface portion of the cassette base on a first rotation fulcrum, which is composed of a first engagement hole and a first boss portion, and on a second rotation fulcrum which is composed of a second engagement hole and a second boss portion. A distance from a tip end portion of the second boss portion to an engagement position of the second engagement hole is smaller than a distance from a tip end portion of the first boss portion to an engagement position of the first engagement hole, and a swing limiting portion, which limits an open angle of the cover member at the opening position, is disposed on only a portion of the cassette base near the first rotation fulcrum. 1. A sheet storage cassette comprising:a cassette base that stores a sheet; anda cover member that is supported swingably on the cassette base and selectively disposed at a closing position to cover an upper surface of the cassette base and an opening position to open the upper surface of the cassette base, wherein the cover member is supported swingably at both ends of a side surface portion of the cassette base on a first rotation fulcrum, which is composed of a first engagement hole formed in either one of the cover member and the cassette base and a first boss portion that is formed on the other one of the cover member and the cassette base and engages with the first engagement hole, and on a second rotation fulcrum which is composed of a second engagement hole formed in either one of the cover member and the cassette base and a second boss portion that is formed on the other one of the cover member and the cassette base and engages with the second engagement hole; anda distance from a tip end portion of the second boss portion to an engagement position of the second engagement hole is smaller than a distance from a tip end portion of the first boss portion to an ...

SHEET STACKABLE DEVICE AND IMAGE FORMING APPARATUS

A sheet stackable device including a sheet stackable bin and a first edge guide is provided. The first edge guide is slidable in a first direction. The sheet stackable bin includes a first rail to guide the first edge guide, a second rails to guide the first edge guide, and teeth arranged along the first direction. The first edge guide includes a first protrusion configured to contact the first rail along a second direction orthogonal to the first direction, a second protrusion configured to contact the second rail, a locking part engageable with the teeth, and a handle to disengage the locking part from the teeth. The handle is arranged in a position between the first rail and the second rail with regard to the second direction. 1. A sheet stackable device , comprising:a sheet stackable bin; anda first edge guide slidably mounted on the sheet stackable bin to be slidable in a first direction and configured to contact an edge of a sheet when the sheet is stacked on the sheet stackable bin, a first rail extending in the first direction and configured to guide the first edge guide;', 'a second rail extending in the first direction and configured to guide the first edge guide, the second rail being arranged in a position spaced apart from the first rail with regard to a second direction being orthogonal to the first direction; and', 'a plurality of teeth arranged in a position between the first rail and the second rail, the plurality of teeth being arranged along the first direction; and, 'wherein the sheet stackable bin comprises a first protrusion protruding toward the first rail in the second direction and configured to contact the first rail;', 'a second protrusion protruding toward the second rail in the second direction and configured to contact the second rail;', 'a locking part configured to engage with one of the plurality of teeth to restrict the first edge guide from moving in the first direction when the locking part engages with the one of the plurality of ...

SHEET FEEDING APPARATUS, SHEET CONVEYANCE APPARATUS, AND IMAGE FORMING APPARATUS

A sheet feeding apparatus includes a supporting portion and a feeding unit. The supporting portion supports a sheet and is capable of being drawn out from and being attached to an apparatus body. The feeding unit is provided in the apparatus body and includes a feeding portion, a conveyance portion, a separation unit, and a guide member. The feeding portion feeds the sheet supported by the supporting portion. The conveyance portion conveys the sheet. The separation unit forms a separation nip with the conveyance portion and is detachable from the feeding unit. The guide member includes a guide surface and a lower surface. The guide surface guides the sheet to the separation nip. The lower surface is provided below the guide surface and includes an exposing portion exposing at least a part of the separation unit. 1. A sheet feeding apparatus comprising:an apparatus body;a supporting portion configured to support a sheet and to be drawn out from and attached to the apparatus body; and a feeding portion configured to feed the sheet supported by the supporting portion;', 'a conveyance portion configured to convey the sheet fed by the feeding portion;', 'a separation portion configured to form a separation nip, in which sheets are separated one by one, with the conveyance portion, the separation portion being detachable from the feeding portion; and', 'a guide member comprising a guide surface and a lower surface, the guide surface being configured to guide the sheet fed by the feeding portion to the separation nip, the lower surface being provided below the guide surface and defining an exposing portion exposing at least a part of the separation portion., 'a feeding unit provided in the apparatus body, the feeding unit comprising2. The sheet feeding apparatus according to claim 1 , wherein the separation portion is detachable from the feeding unit in a drawing-out direction in which the supporting portion is capable of being drawn out.3. The sheet feeding apparatus ...

IMAGE FORMING APPARATUS INCLUDING OPTION DEVICE ATTACHABLE TO AND DETACHABLE FROM APPARATUS MAIN BODY

An image forming apparatus includes an option device, the option device is coupled with a lower surface of an apparatus main body. A second connector is configured to be displaced between a first position and a second position. A push portion is configured to be pressed toward an inside of the option device when the option device is coupled with the lower surface. A link portion is pivotably supported, coupled with both the push portion and the second connector, and configured to, interlocking with the push portion being pressed, cause the second connector to be displaced from second position to first position. A first coupling portion couples the push portion with the link portion. A second coupling portion is configured to couple the second connector with the link portion. The first coupling portion and/or the second coupling portion is configured to release the coupling with the link portion. 1. An image forming apparatus comprising:an option device coupled with a lower surface of an apparatus main body of the image forming apparatus in an attachable/detachable manner;a first connector disposed on a lower surface of the apparatus main body;a second connector disposed on an upper surface of the option device and configured to be displaced between a first position and a second position, the second connector at the first position being connected to the first connector, the second connector at the second position retracting downward with respect to the first connector and not being connected to the first connector;a push portion disposed adjacent to the second connector and configured to be pressed toward an inside of the option device when the option device is coupled with the lower surface of the apparatus main body;a support frame disposed in the option device and configured to support the second connector and the push portion;a link portion pivotably supported by the support frame, coupled with both the push portion and the second connector, and configured to, ...

Image Reading Apparatus

An image reading apparatus includes a main unit having a document support surface configured to support a document on the document support surface, a reading unit accommodated in the main unit and configured to read an image of the document supported on the document support surface, and an openable unit coupled to the main unit and configured to pivot about a pivot axis between a closed position where the document support surface of the main unit is covered and a released position where the document support surface of the main unit is exposed. The pivot axis of the openable unit is located, in the main unit, below the document support surface and at a rear of the document support surface. 1. An image reading apparatus comprising:a main unit having a document support surface configured to support a document on the document support surface, the main unit including a frame member holding edges of the document support surface;a reading unit accommodated in the main unit and configured to read an image of the document supported on the document support surface; andan openable unit coupled to the main unit and configured to pivot about a pivot axis between a closed position where the document support surface of the main unit is covered and a released position where the document support surface of the main unit is exposed,wherein the frame member of the main unit has a first surface located adjacent to the document support surface and extending in a first direction parallel to the document support surface, and a second surface being continuous with the first surface and extending in a second direction substantially orthogonal to the document support surface, andwherein the pivot axis of the openable unit extends in parallel to a specified edge of the document support surface, and the pivot axis is located in the first direction between the second surface and the specified edge of the document support surface and below the first surface in the second direction.2. The image ...

LOCKING MECHANISM FOR MOVABLE UNIT, AND SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS PROVIDED THEREWITH

A locking mechanism includes a hook, an engaged portion, and a biasing member, and locks a movable unit supported on a unit main body to the unit main body. The hook has a supporting portion pivotably supported on the unit main body and an engaging portion protruding from the supporting portion. The engaged portion is formed on the movable unit and is engageable with the engaging portion. A biasing member biases the hook in such a direction as to let the engaging and engaged portions engage. The hook has a first face facing the engaged portion at the tip end of the engaging portion and a second face extending from the first face toward the supporting portion and inclined relative to the first face in such a direction as to recede from the pivot. With the engaging and engaged portion in engagement, the engaged portion touches only the second face. 1. A locking mechanism for a movable unit , comprising:a hook substantially in an L shape, the hook includinga supporting portion pivotably supported on a pivot on a unit main body andan engaging portion protruding from the supporting portion;an engaged portion formed on the movable unit supported on, movably relative to, the unit main body, the engaging portion being engageable with the engaged portion; anda biasing member biasing the hook in a first direction to cause the engaging portion to engage with the engaged portion,the locking mechanism locking the movable unit to the unit main body,wherein a first face facing the engaged portion at a tip end side of the engaging portion and', 'a second face extending from the first face toward a supporting portion side and inclined relative to the first face in such a direction as to recede from the pivot, and, 'the hook has'}when the engaging portion and the engaged portion are in engagement, the engaged portion touches only the second face.2. The locking mechanism according to claim 1 , whereinthe engaged portion includes an elevated portion touching only the second face when ...

SHEET FEED DEVICE, IMAGE FORMING APPARATUS

A holder supports a separation member. When a sheet cassette is attached to a main body portion, as the sheet cassette is moved in its attachment direction, a moving mechanism causes the holder to move from an initial position to an operation position. When the holder is at the initial position, the separation member is spaced from a feeding member and is able to pass below the feed-out member. When at the operation position, the holder presses the separation member against the feeding member. When the sheet cassette is attached to the main body portion, the moving mechanism causes the holder to move to the operation position after the separation member passes below the feed-out member. When the sheet cassette is drawn from the main body portion, the moving mechanism causes the holder to move to the initial position before the separation member reaches below the feed-out member. 1. A sheet feed device comprising:a sheet cassette storing sheets and attached, along an attachment direction which is directed from an upstream side to a downstream side in a sheet feed direction, to a main body portion, the sheet cassette configured to be drawn from the main body portion in a direction opposite to the attachment direction;a feed-out member provided in the main body portion and configured to come in contact with an upper surface of a sheet in the sheet cassette to feed out the sheet in the sheet feed direction;a feeding member configured to feed the sheet fed out by the feed-out member to a conveyance path in the main body portion;a separation member disposed to face the feeding member from below and configured to, together with the feeding member, separate the sheets one by one and feed a separated sheet;a holder supporting the separation member;a holder support portion provided in the sheet cassette and supporting the holder such that the holder can move in an up-down direction; anda moving mechanism provided in the main body portion, whereinwhen the sheet cassette is ...

SHEET FEEDING DEVICE AND IMAGE FORMING DEVICE

A sheet feeding device includes a sheet feeding cassette, which is detachable with respect to a sheet feeding cassette mounting portion provided on an image forming device body. The sheet feeding cassette includes a storage portion that stores a paper sheet, a first regulator provided on a bottom portion of the storage portion that regulates the position of a paper sheet, and a movable placement plate that upwardly pushes a paper sheet stored in the storage portion. The movable placement plate includes a second regulator that regulates the position of a paper sheet having a different size to the size of a paper sheet that can be regulated by the first regulator. 1. A sheet feeding device comprising a sheet feeding cassette , which is detachable with respect to a sheet feeding cassette mounting portion provided on an image forming device body , whereinthe sheet feeding cassette comprisesa storage portion that stores a paper sheet,a first regulator provided on a bottom portion of the storage portion and regulates the position of a paper sheet, anda movable placement plate that upwardly pushes a paper sheet stored in the storage portion; andthe movable placement plate comprisesa second regulator that regulates the position of a paper sheet having a different size to a paper sheet size that can be regulated by the first regulator.2. The sheet feeding device according to claim 1 , whereinthe second regulator is capable of being accommodated in the movable placement plate.3. The sheet feeding device according to claim 1 , whereinthe second regulator is capable of switching postures between a standing posture, in which the second regulator stands upright with respect to an upper surface of the movable placement plate, and an accommodation posture, in which the second regulator is accommodated in the movable placement plate.4. The sheet feeding device according to claim 2 , whereinthe movable placement plate comprises an accommodation portion that stores the second ...

SHEET STORAGE APPARATUS AND IMAGE FORMING APPARATUS

A sheet storage apparatus storing a sheet to be fed in a sheet feeding direction includes a sheet storage portion, a first trailing edge regulation surface, a second trailing edge regulation surface, and a pair of side edge regulation members. The pair of side edge regulation members are opposite each other and disposed, in the sheet storage portion, downstream of the second trailing edge regulation surface in the sheet feeding direction. The pair of side edge regulation members are selectively detachably attached to a first position and a second position. The pair of side edge regulation members regulates positions of side edges of the sheet of a first size stored in the sheet storage portion in a width direction at the first position. The pair of side edge regulation members regulates positions of side edges of the sheet of a second size in the width direction at the second position. 1. A sheet storage apparatus storing a sheet to be fed in a sheet feeding direction , the sheet storage apparatus comprising:a sheet storage portion configured to selectively store the sheet of a first size and the sheet of a second size, a length of the sheet of the first size in the sheet feeding direction being a first value, a length of the sheet of the first size in a width direction orthogonally intersecting with the sheet feeding direction being a second value, a length of the sheet of the second size in the sheet feeding direction being a third value that is shorter than the first value, a length of the sheet of the second size in the width direction being a fourth value that is longer than the second value;a first trailing edge regulation surface disposed in the sheet storage portion and configured to regulate a position of a trailing edge of the sheet of the first size stored in the sheet storage portion in the sheet feeding direction;a second trailing edge regulation surface disposed, in the sheet storage portion, downstream of the first trailing edge regulation surface in ...

SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS

A sheet feeding device includes a sheet accommodating portion mounted in a main assembly. With respect to a crossing direction perpendicularly crossing a pulling-out direction of the sheet accommodating portion from the main assembly as viewed in a direction of gravitation, the main assembly is provided with a positioning portion. A member-to-be-engaged is provided in one of the main assembly and the sheet accommodating portion. An engaging member is provided in the other of the main assembly and the sheet accommodating portion. The engaging member is elastically deformed when the sheet accommodating portion is pulled out in the pulling-out direction from a mounting position. The engaging member is provided swingably in the other one of the main assembly and the sheet accommodating portion so as to be capable of changing a position thereof with respect to the crossing direction. 1. A sheet feeding device comprising:a sheet accommodating portion mounted in a main assembly so as to be capable of being pulled out in a pulling-out direction from a mounting position in the main assembly;wherein with respect to a crossing direction perpendicularly crossing the pulling-out direction of said sheet accommodating portion from the main assembly as viewed in a direction of gravitation, the main assembly is provided with a positioning portion for positioning said sheet accommodating portion mounted at the mounting position,a member-to-be-engaged provided in one of the main assembly and said sheet accommodating portion; andan engaging member, provided in the other of the main assembly and said sheet accommodating portion, which is formed of an elastic material and which is configured to hold said sheet accommodating portion at the mounting position by being engaged with said member-to-be-engaged,wherein said engaging member is elastically deformed when said sheet accommodating portion is pulled out in the pulling-out direction from the mounting position, andwherein said engaging ...

Paper feeder and image forming apparatus with the same

A paper feeder includes: a cassette including a sheet container; a sheet conveyance path along which a sheet is conveyed in a sheet conveyance direction extending along a direction of loading/unloading of the cassette into/from an apparatus body; a paper feed roller configured to convey the sheet in the sheet conveyance direction; an opposed member, opposite to the paper feed roller, forming together with the paper feed roller a paper feed nip where the sheet enters; and a restricting member configured to, in a first state where the cassette is unloaded, close off a portion of the sheet conveyance path upstream of the paper feed nip in the sheet conveyance direction to restrict the sheet in the sheet container from entering the paper feed nip and, in a second state where the cassette is loaded and the paper feed roller is ready to convey the sheet, open the sheet conveyance path.

TRAY AND AN IMAGE FORMING APPARATUS PROVIDED WITH THE TRAY

A tray drawable from an image forming apparatus body in a specified first direction, the tray having: a tray body in which printing media are stored; a handle that is fastened to the tray body so as to be slidable in the first direction by a specified distance, a pull of the handle in the first direction effecting a slide of the handle in the first direction relative to the tray body and applying a pull force in the first direction to the tray body; a lock mechanism for locking the tray body in the image forming apparatus body, the slide of the handle in the first direction relative to the tray body cancelling the lock mechanism; and an elastic member located between the handle and the tray body; wherein at least part of the pull force is transmitted from the handle to the tray body via the elastic member. 1. A tray that is constructed to be drawable from an image forming apparatus body in a specified first direction , the tray comprising:a tray body in which a plurality of printing media are stored;a handle that is fastened to the tray body so as to be slidable the specified first direction by a specified distance, a pull of the handle in the specified first direction effecting a slide of the handle in the first direction relative to the tray body and applying a pull force in the specified first direction to the tray body;a lock mechanism for locking the tray body in the image forming apparatus body, the slide of the handle in the specified first direction relative to the tray body cancelling the lock mechanism; andan elastic member located between the handle and the tray body;wherein at least part of the pull force is transmitted from the handle to the tray body via the elastic member.2. The tray according to claim 1 , wherein at least part of the pull force is transmitted from the handle to the tray body via the elastic member after the lock mechanism is cancelled.3. The tray according to claim 1 , wherein the handle has a contact part to come into contact with ...

IMAGE FORMING APPARATUS

An image forming apparatus has: a cassette which stores a sheet; a pickup roller which picks up the sheet inside the cassette; a feed roller which feeds the sheet picked up by the pickup roller toward an image forming portion; and a retard roller which is pressed against the feed roller and forms a separation nip. In addition, the image forming apparatus has a conveying guide which guides the sheet picked up by the pickup roller to the separation nip. A first guide member of the conveying guide is configured to be slidable in a drawing direction when the feed roller is replaced, and the conveying guide is formed of a material whose property of light transmittance of light having a wavelength of 360 nm to 420 nm is 80% or more. The feed roller is detachable from the one end of a shaft in a state in which the cassette is drawn out along the rail and the conveying guide is slid in the drawing direction. 1. An image forming apparatus comprising:an image forming portion which forms an image on a sheet;a cassette which stores a sheet;a pickup roller which picks up the sheet inside the cassette;a feed roller which feeds the sheet picked up by the pickup roller toward the image forming portion and is attached to one end of a shaft;a separation member which is provided in a position facing the feed roller, forms a separation nip by being pressed against the feed roller, and separates a plurality of sheets picked up by the pickup roller one by one at the separation nip;a rail which supports the cassette and along which the cassette is drawn in a drawing direction orthogonal to a conveying direction; anda conveying guide which guides the sheet picked up by the pickup roller to the separation nip, a first guide member which is located above the separation nip in a vertical direction and is located further downstream of the cassette in a drawing direction than the feed roller;', 'a second guide member which is located above the separation nip in the vertical direction and is ...

Paper feed device and image forming apparatus

According to one embodiment, a paper feed device includes a cassette, a main body, an actuator, a first elastic member, and a guide member. The actuator reciprocates between first and second directions in the second direction intersecting the first direction. The first elastic member urges the actuator. The guide member includes a base end portion, a front end portion, and a guide unit. The guide unit includes an apex portion overhanging in an opposite direction to the second direction. The base end portion is located at a third position in the second direction. The front end portion is movable between the third and a fourth position separated more than at the first position in the second direction. The guide unit is provided so that the apex portion can be disposed at the same position as an end of the actuator in the second direction at the second position.

IMAGE FORMING APPARATUS AND SHEET CONVEYING METHOD

An image forming apparatus includes a sheet storage unit including a sheet tray on which one or more sheets are to be stacked, a sensor configured to detect that the sheet storage unit is being operated, and a processor configured to execute a predetermined process after the sensor detects that the sheet storage unit has been operated, and a predetermined condition relating to an occurrence of the sheet conveyance error is satisfied. 1. An image forming apparatus comprising:a sheet storage unit including a sheet tray on which one or more sheets are to be stacked;a sensor configured to detect that the sheet storage unit is being operated; anda processor configured to execute a predetermined process after the sensor detects that the sheet storage unit has been operated, and a predetermined condition relating to an occurrence of the sheet conveyance error is satisfied.2. The apparatus according to claim 1 , whereinthe processor executes the predetermined process when an occurrence frequency of the sheet conveyance error satisfies the predetermined condition, the occurrence frequency of the sheet conveyance error being determined from the number of occurrences of the sheet conveyance error and the number of sheets that are fed from the sheet storage unit during a time period after the sensor detects that the sheet storage unit has been operated.3. The apparatus according to claim 1 , whereinthe processor executes the predetermined process when an occurrence frequency of the sheet conveyance error satisfies the predetermined condition, the occurrence frequency of the sheet conveyance error being determined from the number of occurrences of the sheet conveyance error and the number of printing jobs executed by the image forming apparatus during a time period after the sensor detects that the sheet storage unit has been operated.4. The apparatus according to claim 1 , whereinthe processor executes the predetermined process when the number of occurrences of the sheet ...

Device 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.

SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS

A sheet feeding device () includes a cassette (), size detector (), and attachment detector (). The size detector () detects the size of sheets in the cassette (). The size detector () includes an interlocking member () and switch unit (). The interlocking member () includes size-detection target portions () and slides to sliding of a regulating member (). The switch unit () detects a position of the regulating member () based on a state of the switches () that detect the size-detection target portions (). The attachment detector () includes an attachment-detection target member () and attachment detecting member (). The attachment detecting member () detects the attachment-detection target member () in response to attachment of the cassette (). The controller () detects the sheet size based on a state of the switch unit () in response to the attachment detector () detecting attachment of the cassette (). 1. A sheet feeding device comprising:a cassette receiving section;a cassette configured to be detachably attached to the cassette receiving section and to be loaded with a plurality of sheets;a size detector configured to detect a size of the sheets loaded in the cassette;an attachment detector configured to detect attachment of the cassette to the cassette receiving section; anda controller, whereinthe cassette includes a regulating member configured to be slidable relative to the cassette and align edges of the sheets, an interlocking member that is disposed on the cassette and includes a plurality of size-detection target portions, the interlocking member being configured to move in conjunction with sliding of the regulating member, and', 'a switch unit that is disposed on an inner wall of the cassette receiving section so as to be opposite to the cassette and includes a plurality of switches,, 'the size detector includes'}the switch unit is configured to detect a position of the regulating member based on a state of the plurality of switches that detect the ...

IMAGE RECORDING DEVICE

An image recording device having a recording unit to record an image on a sheet is provided. The image recording unit includes a feed guide defining a first conveying path; an arm disposed between the recording unit and the tray, the arm having a feed roller rotatably disposed at a free end and configured to feed the sheet in the tray to the first conveying path. The arm pivots between a first arm position, and a second arm position. The return guide pivots between a first return guide position, and a second return guide position. A space occupied by the return guide in the first return guide position overlaps a space occupied by the arm in the second arm position. The return guide is in the second return guide position when the arm is in the second arm position which is retracted from an insertion space occupied by the tray. 1. An image recording device comprising:a tray including a sheet holding surface configured to hold a sheet thereon;a pivot shaft; a feed arm pivotable between a first arm position and a second arm position about the pivot shaft passing through one end portion of the feed arm; and', 'a feed roller supported by the other end portion of the feed arm and configured to feed the sheet from the tray;, 'a sheet feeder includinga recording unit configured to record an image on the sheet fed by the feed roller; anda return guide including: a surface opposite to the guide surface;', 'an opening formed from the surface opposite to the guide surface to the guide surface; and', 'a support portion supporting the pivot shaft such that the feed arm is pivotable relative to the surface opposite to the guide surface;, 'a guide surface defining a part of a return path and extending over at least a portion of the sheet feeder and configured to guide the sheet having the image recorded thereon along the return path back toward the recording unit;'}wherein the feed roller is in contact with the sheet held on the sheet holding surface of the tray when the feed arm is ...

Medium feeding device

A manual paper feeding portion includes a medium placing portion on which paper to be fed is placed, a guide portion that is provided on the medium placing portion, guides a side edge of the paper in a width direction intersecting with a feeding direction, and is movable in the width direction, and a positioning mechanism that determines a position of the guide portion in the width direction, in which the positioning mechanism regulates the position of the guide portion by positioning portions arranged with a predetermined interval in a first region of a moving region of the guide portion and regulates the position of the guide portion in a stepless manner in a second region which is a region other than the first region.

DOCUMENT FEED DEVICE, AND IMAGE FORMING DEVICE INCLUDING THE SAME

A document feed device including a document tray and a document guide. The document guide has a document guide side document loader and a document guide member. The document tray includes a groove. The document guide, at an end of the document guide side document loader in the width direction, includes: a scooper, and an upstream outline portion that is formed so as to gradually approach the document guide member toward an upstream side in the conveying direction with the scooper as an apex. 1. A document feed device , comprising: a document tray that loads a document; and a document guide that guides an end side of the document on at least one side of the document in a width direction orthogonal to a conveying direction of the document loaded on the document tray , whereinthe document guide includes: a document guide side document loader that has a document loading face on which the document is loaded, and a document guide member that stands from the document guide side document loader and guides the end side of the document,the document tray includes a groove that extends along the width direction for a reciprocating movement of the document guide in the width direction, andthe document guide, at an end of the document guide side document loader in the width direction, includes: a scooper that scoops up the end side of the document when the document guide is moved toward the document loaded on the document tray, and an upstream outline portion that is formed so as to gradually approach the document guide member toward an upstream side in the conveying direction with the scooper as an apex.2. The document feed device according to claim 1 , whereinthe scooper protrudes from an upper portion of the document loading face of the document guide side document loader to the document's loading side in the width direction, and is inclined so as to become higher toward the document guide member side in the width direction, andan inclined face of the scooper is positioned on ...

SHEET STORAGE APPARATUS AND IMAGE FORMING APPARATUS

A sheet storage apparatus attached to an apparatus body in an attaching direction includes a sheet storage portion configured to store a sheet, a moving unit movably supported by the sheet storage portion in a moving direction parallel to the attaching direction, wherein the moving unit includes a regulation member and an extending member extending in the moving direction, the regulation member including a regulation surface regulating a position, in the moving direction, of the sheet stored in the sheet storage portion, and a first bonding surface extending along the moving direction, the extending member including a second bonding surface extending parallel to the first bonding surface, and wherein the first bonding surface and the second bonding surface are configured to be bonded to each other by adhesive. 1. A sheet storage apparatus attached to an apparatus body in an attaching direction , the sheet storage apparatus comprising:a sheet storage portion configured to store a sheet; anda moving unit movably supported by the sheet storage portion in a moving direction parallel to the attaching direction,wherein the moving unit comprises a regulation member and an extending member extending in the moving direction, the regulation member comprising a regulation surface regulating a position, in the moving direction, of the sheet stored in the sheet storage portion, and a first bonding surface extending along the moving direction, the extending member comprising a second bonding surface extending parallel to the first bonding surface, andwherein the first bonding surface and the second bonding surface are configured to be bonded to each other by adhesive.2. The sheet storage apparatus according to claim 1 , further comprising a guided portion disposed in the sheet storage portion and configured to slide with respect to the apparatus body in a case where the sheet storage portion is attached to the apparatus body in the attaching direction claim 1 , the guided portion ...

Sheet stacker, sheet tray, image forming apparatus, and composite image forming apparatus

A sheet stacker includes a body to stack a sheet, a fence to regulate a position of the sheet, and a support. The body includes a groove extending in a predetermined direction. The support includes a support portion to support the fence and a projection extending in the predetermined direction. The groove engages with the projection in a sheet stacking direction to secure the support. The fence is supported to be rotatable about the support portion of the support.

Paper Feed Tray and Image Forming Apparatus

A paper feed tray includes a cassette, a regulation plate which is slidably attached to the cassette, a cover provided to the regulation plate, a locking portion which is covered with the cover and engages with the cassette to fix a position of the regulation plate, and a lever. The lever includes a coupling portion coupled with the locking portion, a depression portion configured to be depressed toward one side in a direction of sliding of the regulation plate, and an intermediate portion provided between the coupling portion and the depression portion. The lever operates the locking portion to be disengaged from the cassette upon the depression portion being depressed toward the one side. The cover includes an extension extending while facing the intermediate portion. A space, which is open at a tip to which the extension extends, is formed between the extension and the intermediate portion. 1. A paper feed tray comprising:a cassette in which a sheet of paper is placed;a regulation plate which is slidably attached to the cassette and regulates a position of the sheet of paper;a cover provided to the regulation plate;a locking portion which is covered with the cover and engages with the cassette to fix a position of the regulation plate; anda lever including a coupling portion covered with the cover and coupled with the locking portion, a depression portion configured to be depressed toward one side in a direction of sliding of the regulation plate, and an intermediate portion provided between the coupling portion and the depression portion, the lever operating the locking portion to be disengaged from the cassette upon the depression portion being depressed toward the one side, whereinthe cover includes an extension provided opposite to the one side with the lever therebetween and extending while facing the intermediate portion, anda space is provided between the extension and the intermediate portion, the spacing being open at a tip to which the extension extends ...

DEVELOPING ROLLER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

A developing roller is capable of preventing the generation of a difference in image density between a central portion and an end portion of an electrographic image. The developing roller has an electro-conductive mandrel and an electro-conductive layer on the mandrel, the electro-conductive layer has a crown shape in which an outer diameter of a central portion in a direction along the mandrel is larger than outer diameters of both end portions in the direction along the mandrel, an outer surface of the developing roller includes a first region having an electrically insulating property and a second region having a higher conductive property than the first region, and the first region and the second region are disposed adjacent to each other. 1. A developing roller comprising:an electro-conductive mandrel; andan electro-conductive layer on the mandrel,wherein the electro-conductive layer has a crown shape in which an outer diameter of a central portion in a direction along the mandrel is larger than outer diameters of both end portions in the direction along the mandrel, electrically insulating first regions and', 'a second region whose electro-conductivity is higher than that of the first regions, and, 'an outer surface of the developing roller includes'}each of the first regions is adjacent to the second region.2. The developing roller according to claim 1 ,{'sub': 0', '0, 'wherein when the developing roller is electrically charged so that a potential of a surface of each of the first regions constituting a part of an outer surface of the developing roller is V(V), a potential decay time constant defined as a period of time necessary for a potential of a surface of each of the first regions to decay to V×(1/e) (V) is 60.0 seconds or longer.'}3. The developing roller according to claim 1 ,{'sub': 0', '0, 'wherein when the developing roller is electrically charged so that a potential of a surface of the second region constituting a part of an outer surface of the ...

SHEET SUPPLY DEVICE AND IMAGE FORMING APPARATUS

A sheet supply device includes a medium loading part that includes a medium loading surface on which medium is loaded; and a medium supply part that is arranged facing the medium lading surface, and sandwiches the medium with the medium loading part applying a pressure to the medium, and sends the medium loaded in the medium loading part in a predetermined carrying direction. The medium loading part includes a first friction member arranged in a position facing the medium supply part so that the first friction member contacts the medium supply part when there is no medium on the medium loading part, and a second friction member arranged on an upstream side of the first friction member in the carrying direction, and a friction coefficient (μd) between the second friction member and the medium is larger than a friction coefficient (μc) between the first friction member and the medium. 1. A sheet supply device , comprising:a medium loading part that includes a medium loading surface on which medium is loaded; anda medium supply part that is arranged facing the medium lading surface, and sandwiches the medium with the medium loading part applying a pressure to the medium, and sends the medium loaded in the medium loading part in a predetermined carrying direction, wherein a first friction member that is arranged in a position facing the medium supply part so that the first friction member contacts the medium supply part when there is no medium on the medium loading part, and', 'a second friction member that is arranged on an upstream side of the first friction member in the carrying direction and, 'the medium loading part includes'}a friction coefficient (μd) between the second friction member and the medium is larger than a friction coefficient (μc) between the first friction member and the medium.2. The sheet supply device according to claim 1 , whereinassuming that friction force generated between the medium and the first friction member is first friction force (Fd) ...

SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS

A sheet feeding apparatus is provided with a disengaging mechanism configured to disengage a conveyance member and a separating member to be apart from each other. Either one of the conveyance member and the separating member is provided in a unit, which is attached to an apparatus body and is configured to be detached from the apparatus body toward a downstream side in the sheet conveyance direction, while the other provided in the apparatus body. A restriction portion is configured to restrict the unit from being attached to and detached from the apparatus body in a state where the conveyance member and the separating member are in contact with each other and to permit the unit to be attached to and detached from the apparatus body in a state where the conveyance member and the separating member are disengaged by the disengaging mechanism. 1. A sheet feeding apparatus comprising:an apparatus body;a sheet stacking portion on which sheets are stacked and which is configured to be inserted into and drawn out of the apparatus body;a conveyance member configured to convey a sheet stacked on the sheet stacking portion in a sheet conveyance direction;a separating member configured to be in contact with the conveyance member and to separate the sheet conveyed by the conveyance member from another sheet;a disengaging mechanism configured to disengage the conveyance member and the separating member to be apart from each other;a unit attached to the apparatus body and configured to be detached from the apparatus body toward a downstream side in the sheet conveyance direction, wherein either one of the conveyance member and the separating member is provided in the unit and the other of the conveyance member and the separating member is provided in the apparatus body; anda restriction portion configured to restrict the unit from being attached to and detached from the apparatus body in a state where the conveyance member and the separating member are in contact with each other ...

SHEET SEPARATING APPARATUS, METHOD FOR SEPARATING SHEET, AND METHOD FOR MANUFACTURING SHEET-SHAPED SECONDARY CELL

A sheet separating apparatus of the present invention includes a main body portion including a placement face on which a plurality of layered sheets are placed, a convex portion that is protruded from the placement face and on which ends of the sheets are placed, and a magnetic circuit arranged at the main body portion. The magnetic circuit includes a plurality of permanent magnets aligned arranged in line in X direction along the placement face with the same poles of adjacent permanent magnets being faced to each other, first yokes each arranged between the permanent magnets, nonmagnetic members each arranged between the permanent magnets and the sheets, and second yokes each arranged between the nonmagnetic members. 1. A sheet separating apparatus , comprising:a main body portion including a placement face on which a plurality of layered sheets are placed;a convex portion that is protruded from the placement face and on which ends of the sheets are located; and a magnetic circuit arranged at the main body portion, the magnetic circuit including:a plurality of magnets arranged in line in a first direction along the placement face with the same poles of adjacent magnets being faced to each other;a first yoke arranged at each of both sides of each magnet;a nonmagnetic member arranged at a position corresponding to each first yoke; and a second yoke arranged at a position corresponding to each magnet.2. The sheet separating apparatus according to claim 1 , wherein the magnets are permanent magnets claim 1 , and the second yokes and the nonmagnetic yokes are arranged movably in the first direction.3. The sheet separating apparatus according to claim 2 , wherein three or more of the permanent magnets are arranged in line in the first direction claim 2 , and magnetic force of the permanent magnet arranged at a center region of the placement face with respect to the first direction is smaller than magnetic force of the permanent magnet arranged at least at one end region ...

SHEET CONVEYING DEVICE AND IMAGE READING APPARATUS

A sheet conveying device includes a conveyor, a first cover, a second cover movable in conjunction with the first cover, and a restricting portion movable between a restricting position at which the second cover is restricted from being moved from a first position toward a second position and an allowable position at which the second cover is allowed to be moved from the first position toward the second position. The restricting portion is located at the restricting position when the first cover is located at the closed position, and the restricting portion is moved from the restricting position to the allowable position in conjunction with the first cover when the first cover is moved from the closed position toward the opened position. 1. A sheet conveying device comprising:a conveyor configured to convey a sheet along a predetermined conveyance path;a first cover configured to be movable between a closed position and an opened position, wherein the first cover is configured to form a part of an outer covering surface of the sheet conveying device by a first surface at the closed position and to function as a support member configured to support a sheet to be fed to the conveyor or a sheet discharged from the conveyor on a second surface opposite to the first surface at the opened position;a second cover configured to be movable between a first position and a second position in conjunction with the first cover, wherein the second cover is located at the first position when the first cover is located at the closed position and is configured to form a part of the outer covering surface at a position adjacent to the first cover at the first position, and wherein the second cover is configured to be moved from the first position to the second position when the first cover is moved from the closed position to the opened position; anda restricting portion movable between a restricting position at which the second cover is restricted from being moved from the first ...

Cassette, feeder, and image forming apparatus

A cassette ( 1 ) includes first and second sheet accommodation sections ( 3 ) and ( 5 ), and a restricting section ( 7 ). The second sheet accommodation section ( 5 ) is slidably attached to the first sheet accommodation section ( 3 ). The restricting section ( 7 ) includes first and second engagement sections ( 38 a ) and ( 78 a ), and a manipulation section ( 70 ). The first engagement section ( 38 a ) is disposed in the first sheet accommodation section ( 3 ). The manipulation section ( 70 ) is disposed in the second sheet accommodation section ( 5 ). The second engagement section ( 78 a ) engages with the first engagement section ( 38 a ). A lever portion ( 71 ) of the manipulation section ( 70 ) is shiftable from a lying down posture to a tilted posture. The second engagement section ( 78 a ) is disposed in the lever portion ( 71 ). Shift of the lever portion ( 71 ) from the lying down posture to the tilted posture releases engagement between the first engagement section ( 38 a ) and the second engagement section ( 78 a ), and allows the lever portion ( 71 ) to be pulled in a first direction (A 1 ) to slide the second sheet accommodation section ( 5 ) and extend a size of the cassette ( 1 ).

MEDIA CASSETTE LOADER

A media cassette loader is described. The media cassette loader comprises a base; a media loading surface inclined at an angle to the base; and an end wall upstanding from a lower end of the media loading surface. The end wall supports media items stacked on the media loading surface. The media loading surface and the end wall are dimensioned to be accommodated within a media cassette body. This allows the media cassette body to be placed over the media loading surface when stacked with media items so that the cassette body surrounds the stacked media items. 114-. (canceled)15. A method of loading a media cassette , the method comprising:placing a stack of media items on a media loading surface inclined at an angle to a base;placing a media cassette body over the media loading surface stacked with media items so that the cassette body surrounds the stacked media items;rotating the combined media loader and media cassette body until the media loader is upside down and the media cassette body is the right way round;removing the media cassette loader to leave the stacked media items within the cassette body. The present invention relates to improvements in, or relating to, a media cassette loader.Media cassettes are used in self-service terminals (SSTs), such as automated teller machines (ATMs). ATMs use media cassettes for a variety of different types of media. However, the most common use of an ATM media cassette is for storing currency (in the form of banknotes) in a manner that allows the currency to be removed, one banknote at a time, from the media cassette (referred to as a currency cassette). The currency is typically stored as a horizontal stack within the currency cassette.To enable the stored banknotes to be removed reliably, the currency cassette includes a pusher plate that urges the horizontal stack towards a picking area. When the currency cassette is empty (or nearly empty), it can be manually replenished by removing a lid, retracting the pusher plate, ...