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Class 399/367 - Automatic document feeder


Subclass of Class 399 - Electrophotography
Definition: Subject matter wherein an original is automatically moved
No. of patents: 383
Last issue date: 12/27/2011


1                    
NumberTitleIssue Date
8086163Sheet transport apparatus, document reading apparatus, and image forming apparatus
One embodiment of a sheet transport apparatus is provided with a sheet transport path for transporting a sheet in a predetermined transport direction, a reflective type optical sensor in which light irradiated from a light-emitting portion to a transported sheet is ...
12/27/2011
8041284Automatic document feeder device and image forming device
An automatic document feeder device 100 has a device body 110 disposed on a platen 210 of a document reading device 200 and pivotably openable relative to the device 200 by being hingedly connected thereto. The device 100 in...
10/18/2011
8041283Sheet feeding device and image reading device
A sheet feeding device, including: a first tray on which sheets to be fed are stacked; a second tray which is disposed above the first tray to provide a two-tier structure and on which the sheets after having fed from the first tray are stacked; a sheet-feed path ex...
10/18/2011
8023879Auto document feeder and image forming apparatus including the same
An image forming apparatus includes a roller shaft, a paper-transporting which is coupled to the roller shaft and transports a document, a driving part to supply a rotational driving force to the paper-transporting roller, a driving wheel which is coupled to the rol...
09/20/2011
7970337Automatic document feeder and manuscript scanner provided with platen cover with easily operable handle
An automatic document feeder is mounted on a platen cover, which is located on a housing of a manuscript scanning section and movable relative to the housing to have open and shut states. The automatic document feeder is provided with: a manuscript stacker adapted t...
06/28/2011
7904016Original document reading device
When an original document is placed on the lift tray, a timer is reset and starts counting a predetermined time. Whether an alignment device is moved to adjust the original documents loaded on the lift tray in, for example, the widthwise direction transverse to the ...
03/08/2011
7885596Document or sheet material feeder
A document feeder includes a document feed unit that feeds a document along a document feed path extending from a document loading section to a document output section via a scanning position. The document feed unit includes a first feed roller pair nipping and feed...
02/08/2011
7869755Automatic document feeder, image reading device including the same, and image forming apparatus including the same
An automatic document feeder, for transferring a document through a scanning position three times, includes: a first transfer mechanism to reverse a given document via a reversing path, and transfer the same to a scanning position; a second transfer mechanism to tra...
01/11/2011
7860445Document feeder
A document feeder includes a bidirectional feed path having both ends connected to predetermined positions of the bidirectional feed path, respectively. A document is fed from a downstream side of the image reading position to an upstream side with leading end and t...
12/28/2010
7853191Image reading apparatus
An image reading apparatus equipped with an image reading apparatus unit (B) provided a platen (33) and reading means (31) that reads an original, a document feeder (A) provided conveyance paths (P1), (P2), and (P3) leading from a ...
12/14/2010
7822376Sheet feeder and copying machine including the same
A sheet feeder includes: a sheet-length detection member for detecting a length of a sheet; a transfer-length detection member for detecting a transfer length of the sheet; a double-feed detection member for detecting double feed of the sheets when the sheets are tr...
10/26/2010
7778587Auto document feeder
An auto document feeder which loads and feeds a document to a read position provided on a read surface of a reader, the auto document feeder including a conveying device having an upstream roller placed upstream of the read position and a downstream roller placed do...
08/17/2010
7715779Duplex simultaneous reading apparatus, copying apparatus, image processing apparatus and image processing method
A duplex simultaneous reading apparatus having an image reading unit for simultaneously reading a first surface and a second surface of a document, the duplex simultaneous reading apparatus includes: a detection unit for detecting any specified pattern image from im...
05/11/2010
7702276Automatic document feeder and image forming apparatus equipped with the same
An automatic document feeder (3) has a front plate (12) located on one of opposite sides of the document feeder in a direction orthogonal to a feeding direction of documents P on a document tray (4), and on the side opposed to an operator. A rea...
04/20/2010
7689158Image forming apparatus having image reading function
An image forming apparatus includes an apparatus main body and an original reading device disposed on top of the apparatus main body. A sheet supply cassette, a sheet discharge tray, an original feed tray, and the original discharge tray are oriented such that their...
03/30/2010
7668499Image reading apparatus
An image reading and/or reproducing apparatus, including a single sided document feeding tray and a double sided document feed tray to each supply a stack of documents to the apparatus; a document feeding unit to feed a document from a top of the stack of documents ...
02/23/2010
7636541Mobile paper guide
A mobile paper guide in an automatic document feeder (ADF) is comprised of draft platen, motor, connection rod, and paper guide plate; the rod including a knob inserted onto the rod, an arm extending from the knob for the rod to rotate as driven by platen; the rod a...
12/22/2009
7577392Image reading apparatus and image forming apparatus provided with the same
An image reading apparatus has an original placing portion on which an original is placed, a feed portion for feeding the original placed on the original placing portion to convey the original from one end side of an original plate onto the original plate, a conveyi...
08/18/2009
7558523Automatic document feeder for duplex scanning
An automatic document feeder for duplex scanning includes a scanning module, a pickup roller assembly, a first discharging roller assembly, a second discharging roller assembly, a first path, a second path, a third path, a sheet feeding tray, a first discharging tra...
07/07/2009
7548720Image reading apparatus capable of reading an image with improved accuracy
An image reading apparatus includes a body and an auto document feeder. The body includes an exposure glass, a reader for reading an image of an original sheet through the exposure glass, and a guide disposed on the exposure glass and configured to support the origi...
06/16/2009
7536148Image scanning device with a pivotable automatic document feeder
In an image scanning device, an Automatic Document Feeder (ADF) frame accommodating an ADF is provided openable and closable on an upper surface of a device main body via a hinge member. In the hinge member, a frame supporting part fixed on one end part of the ADF f...
05/19/2009
7512374Document carrying device, document reading device, and image forming device
A document transporting device (30) serves as a platen cover to expose and cover platens (21A,21B). A document holder (5) is mounted on a predetermined mounting portion of the device (30). A lateral end of the document holder (5...
03/31/2009
7502586Automatic document feeder, image processing apparatus, original conveying method, program and storage medium
An automatic document feeder which is capable of preventing the occurrence of jams that would be caused when a bundle of originals in which originals having lengths in a conveying direction equal to or greater than a predetermined reference length and originals havi...
03/10/2009
7466956Auto document feeder
An auto document feeder which loads and feeds a document to a read position provided on a read surface of a reader, the auto document feeder including a conveying device having an upstream roller placed upstream of the read position and a downstream roller placed do...
12/16/2008
7433090Print/scan assembly and printer apparatus and methods including the same
A printer apparatus includes a frame and a print/scan assembly. The print/scan assembly includes a carriage assembly movably mounted on the frame. The carriage assembly includes a printhead carriage and a scanner carriage. The printhead carriage is adapted to hold a...
10/07/2008
7433091Image forming and reading apparatus
An image forming and reading apparatus includes an image forming portion for forming an image on a fed recording sheet and an image reading portion for reading the image of a fed document. At least a portion of the feeding path of the recording sheet is common to at...
10/07/2008
7429039Hinge device, automatic document feeder, scanning unit, and image forming apparatus
A hinge device is configured that when a cover is opened, a support-section-side pivot shaft is guided upward by a fixed-section-side guide groove; and a fixed-section-side pivot shaft is guided while being restricted in downward movement by a support-section-side g...
09/30/2008
7428084Scanner with removable image guides
A scanner has a transport system for transporting a document along a transport path for scanning by at least a first camera. A first removable image guide is disposed between the first camera and a first side of the document. The first removable image guide has a fi...
09/23/2008
7418232Original document supply device for image forming device, and image forming device equipped with the same
The ADF 11 is a device for feeding an original document toward an original document scanning position R, comprising an original document loading unit 31, paper feeding roller 51, pressure sensor 33 and lift plate drive unit 35. The...
08/26/2008
7412199Image scanner having pivotal illuminantor plate
An image scanner has a pivotal illuminator plate. The illuminator plate is pivotally coupled to the main housing of the image scanner and storable within the automatic paper feeder when the illuminator plate is not used. For scanning a transparent object, the illumi...
08/12/2008
7410166Image reading apparatus
An image reading apparatus includes a platen which is set at an image reading position, a loading guide portion which is arranged upstream in a convey direction of an original to be adjacent to the platen and guides the original to an upper surface of the platen, a ...
08/12/2008
7409184Original document reading device
When an original document is placed on the lift tray, a timer is reset and starts counting a predetermined time (S12). Whether an alignment device is moved to adjust the original documents loaded on the lift tray in, for example, the widthwise direction trans...
08/05/2008
7406291Image reading forming apparatus having a platen roller pressing a document against the document glass stand
An image reading apparatus is provided with a document glass stand on which a document is placed, and a document feeding portion having a platen roller for feeding out the document fed into the reading position of the document glass stand from the reading position a...
07/29/2008
7392009Feeding device for an image reading apparatus
A feeding device to be incorporated in an image reading apparatus, including: (a) a feed-path definer defining a feed path along which an original is fed from a supply portion to an exit portion via a reading position, such that the fed original is brought into cont...
06/24/2008
7382506Image reading and recording apparatus
An image reading and recording apparatus provided with an image reading portion for reading the image of a document, and an image recording portion for recording an image on a recording sheet is provided with a first stacking portion for stacking thereon a first she...
06/03/2008
7379700Image reading apparatus with rotatable internal and external guides
A document reading apparatus includes a feeding roller for feeding a document, a reading unit for reading images of the document fed by the feeding roller and a substantially U-shaped document transfer path for guiding the document fed the feeding roller. The substa...
05/27/2008
7364155Sheet feeding apparatus, image reading apparatus and image forming apparatus
In a standby state wherein a document is set in a document tray and can be supplied when needed, when a start signal is not inputted (S21: NO), a controller determines whether a document regulating plate has been operated or not based on a detection output of...
04/29/2008
7359097Document feeder and image reading apparatus with the same
A document feeder includes a frame to be disposed on a platen of a scanner; a sheet feeding stacker, a discharge stacker, and a transporting belt mounted on the frame; a lateral positioning member mounted on the frame for restricting the transporting belt laterally;...
04/15/2008
7355761Driving apparatus and method for image scanning and/or forming machine
A driving apparatus for an office machine includes a driving motor rotating in first and second directions, a power transfer part transferring a power of the driving motor to a convey unit, a document discharge unit and a document supply unit, and a controller contr...
04/08/2008
7345778Image forming apparatus and image forming method
If a determination result obtained using software in a scanner CPU is not identical to a determination result obtained using hardware in a determination section, error processing is performed to prevent image forming of a particular document. ...
03/18/2008
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