| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 399358000 |
Having handling of removed material
| 149 |
| 399350000 |
Blade
| 145 |
| 399346000 |
Including lubricant
| 100 |
| 399349000 |
Plural diverse
| 18 |
| 399353000 |
Fibrous brush
| 18 |
| 399357000 |
Roller
| 17 |
| 399348000 |
Removing liquid developer
| 7 |
| 399345000 |
Retractable cleaning arrangement
| 7 |
| 399352000 |
Web | 3 |
| 20130064590 | Image-Forming Device - An image-forming device includes a plurality of developing units, an endless belt, and a cleaning unit. The cleaning unit includes a cleaning member and a conveying unit. The cleaning member contacts the endless belt to clean toner remaining on the endless belt. The conveying unit includes a first conveying unit, a second conveying unit, and a first relaying member. The first relaying member relays the remaining toner conveyed by the first conveying unit to the second conveying unit, and has a relay-axis. The cleaning member pivots about the relay axis to move between a contacting position for contacting the endless belt and a separating position for separating from the endless belt. | 03-14-2013 |
| 20140119800 | APPARATUS AND METHOD FOR CLEANING AN IMAGING SURFACE OF A PRINTING SYSTEM - An apparatus and method are provided for cleaning an imaging surface of a printing system by way of a cleaning member having a nanowire mesh portion configured to contact the imaging surface. | 05-01-2014 |
| 20140363213 | Image Forming Device Having Belt Cleaner and Drum Cleaner Both Provided in One of Drum Units - An image forming device includes: first and second photosensitive drums; first and second drum cleaners for removing waste developer on the first and second photosensitive drums respectively; first developer cartridge having a first waste developer chamber; a second developer cartridge having a second waste developer chamber; a belt in contact with the first and second photosensitive drums; a belt cleaner for removing waste developer on the belt; a belt waste developer conveyer for conveying the waste developer removed by the belt cleaner; a first conveyer for conveying the waste developer removed by the first drum cleaner; a second conveyer for conveying the waste developer removed by the second drum cleaner to the second waste developer chamber; and a third conveyer for conveying the waste developer conveyed by the first conveyer and the waste developer conveyed by the belt waste developer conveyer to the first waste developer chamber. | 12-11-2014 |
| 399356000 |
Magnetic | 2 |
| 20090169279 | Electrographic Printing Apparatus, Electrographic Printing Method, and Method of Producing Glass Plate - An electrographic printing apparatus and an electrographic printing method that prevent base fogging and maintain high quality are provided. The provided electrographic printing apparatus includes a OPC photoreceptor to which a developing device adheres charged toner to an image region of an electrostatic latent image formed on a moving surface; and a non-image-region toner removing device disposed downstream of the developing device in a moving direction of the surface of the OPC photoreceptor and at a position opposing the OPC photoreceptor, wherein the non-image-region toner removing device includes a removing roller that moves close to the OPC photoreceptor and attracts and delivers a carrier by a magnetic force, and a predetermined electric potential is applied to generate an electric field from a non-image region of the electrostatic latent image to the removing roller. | 07-02-2009 |
| 20090175666 | MAGNETIC FIELD GENERATING MEMBER AND MANUFACTURING METHOD THEREOF, MAGNETIC PARTICLE SUPPORT BODY, IMAGE DEVELOPMENT DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - A magnetic field generating member with high stiffness and small size, an image development device, a process cartridge and an image forming apparatus including the magnetic field generating member as well as a manufacturing method of the magnetic field generating member are provided where the magnetic field generating member includes a main body, a groove provided in the main body, an interposition member configured to be fitted in the groove of the main body and including a concave portion and a magnetic member as a long magnetic compact fixed into the concave portion of the interposition member. | 07-09-2009 |
| 399344000 |
Color | 1 |
| 20110135360 | IMAGE FORMING UNIT AND IMAGE FORMING DEVICE - An image forming device includes a plurality of image forming units each including a developer carrier that carries developer; an image carrier that forms a developer image on a surface layer with the developer supplied from the developer carrier; and a developer collector that is positioned to contact the surface layer of the image carrier and that removes residual developer after transferring the developer image formed on the surface layer onto a recording sheet. Wherein the developer collector in a first image forming unit has a higher linear contact pressure against the surface layer of the image carrier than that of other image forming units, and a thickness of the surface layer of the image carrier of the first image forming unit is greater than a thickness of the image carrier of the other image forming units. | 06-09-2011 |
| 399347000 |
Abrasion or film removal | 1 |
| 20080298865 | Ablation collection system for an image recorder - An apparatus is mounted on a moveable carriage of an external drum platesetter for removing air-borne ablative particles caused when a printing plate mounted on an outside surface of a rotating drum of the platesetter is imaged via a laser source having a window for transmitting a laser beam. The apparatus includes a nozzle, a redirecting surface and a vacuum chamber. The nozzle transmits a line of compressed air towards the redirecting surface which in turn redirects and splits the line of compressed air into two parts. A first part is directed towards the drum and a second part is diverted towards the laser window. The vacuum chamber is connected to a vacuum channel for removing air including the ablative particles. | 12-04-2008 |
| Entries |
| Document | Title | Date |
|---|
| 20090162117 | LASER EXPOSURE DEVICE, CLEANING TOOL, AND IMAGE FORMING APPARATUS - Emission windows are prevented from being contaminated and are cleaned easily. The emission windows for emitting light beams are disposed on a housing of a laser exposure device having optical elements arranged inside for exposing a photoreceptor, and the upper surface of the housing is provided with a slidable shutter with openings. An image forming apparatus includes guide rails independent of the laser exposure device to movably guide predetermined cleaning brushes in the longitudinal direction of the emission windows. When the cleaning brushes are mounted on the guide rails and moved toward the inner side of the apparatus, the cleaning brushes touch a slant portion of a rib and the shutter is moved to the right to align the openings with the emission windows. While the cleaning brushes touch a longitudinally extending portion, the emission windows are exposed to enable the cleaning of the exposed window using the cleaning tool. | 06-25-2009 |
| 20100014901 | Image Carrier Cleaning Device, Image Carrier Cleaning Method, and Image Forming Apparatus - An image carrier cleaning device includes: a first charging member which charges an image carrier to the same polarity as that of a toner after a transfer operation of a toner image formed by the toner charged to a predetermined polarity and having an external additive added thereto; a cleaning member which comes into contact with the image carrier charged by the first charging member; and a second charging member which applies an electric charge having a polarity opposite to a polarity of the toner to the image carrier having passed through the cleaning member. | 01-21-2010 |
| 20100150626 | CLEANING ARRANGEMENT FOR A MOVING ELEMENT TO BE CLEANED IN AN ELECTROGRAPHIC PRINTING APPARATUS - In a cleaning arrangement for a moving element to be cleaned in an electrographic printing apparatus, a cleaning element is provided that has a cleaning member for cleaning which rests on a surface of the moving element to be cleaned. A drive unit for the cleaning element is provided that actuates the cleaning element such that the cleaning member cleans the surface of the moving element to be cleaned region-by-region. | 06-17-2010 |
| 20100209156 | ELECTROPHOTOGRAPHIC PRINTING AND CLEANING OF THE DEVELOPER INK BEARING SURFACE - Electrophotographic printing apparatus comprising an image-forming member having a surface on which a latent electrostatic image can be formed and developed for transfer of the developed image to a substrate and a developer for depositing onto the surface of the image-forming member a layer of ink comprising charged ink particles to develop the latent image. The developer comprising an ink bearing surface from which ink is transferred to the image forming member and a cleaner for removing ink from the ink bearing surface. The developer further comprises an adjustable power system for generating an electric potential between the ink bearing surface and the cleaner such that charged ink particles remaining on the ink bearing surface after the transfer of ink to the image-forming member are removed from the ink bearing surface through attraction to the cleaner. A controller is arranged to receive measurements of electrical resistance at an interface between the ink bearing surface and the cleaner and to adjust the power system in response to the measurements of electrical resistance to compensate for variations in electrical resistance at the interface such that a desired electric potential between the ink bearing surface and the cleaner is achieved. | 08-19-2010 |
| 20100209157 | Image-Forming Device - An image-forming device includes a plurality of developing units, an endless belt, and a cleaning unit. The cleaning unit includes a cleaning member and a conveying unit. The cleaning member contacts the endless belt to clean a remaining toner on the endless belt. The conveying unit includes a first conveying unit, a second conveying unit, and a first relaying unit. The first relaying member relays the remaining toner conveyed by the first conveying unit to the second conveying unit, and has a relay-axis. The cleaning member pivots about the relay axis to move between a contacting position for contacting the endless belt and a separating position for separating from the endless belt. | 08-19-2010 |
| 20110002719 | IMAGE FORMING APPARATUS, AND TONER AND DEVELOPER USED THEREIN - An image forming method producing images at a speed of from 500 to 1,700 mm/sec, including charging an image bearer; irradiating the charged image bearer to form an electrostatic latent image thereon; developing the electrostatic latent image with a developer comprising a toner, to form a toner image on the image bearer; transferring the toner image onto a recording medium; cleaning the toner remaining on the image bearer after the transferring step; and fixing the toner image on the recording medium, wherein the binder resin includes a crystalline polyester resin and an amorphous resin, wherein a peak ratio (W/R) of a specific peak height (W) of the crystalline polyester resin to a specific peak height (R) of the amorphous resin is from 0.050 to 0.555, and a toner transfer rate T (%) determined by the following formula (1) is from 75 to 100%: | 01-06-2011 |
| 20110020040 | IMAGE FORMING APPARATUS - An image forming apparatus includes a photosensitive member, a charging device, a developing device, a thickness detecting unit and a parameter setting unit. A photosensitive layer is formed on a surface of the photosensitive member. The charging device charges the photosensitive member. The developing device forms a toner image on the surface of the photosensitive member. The thickness detecting unit detects a thickness of the photosensitive layer on a basis of a value of a current supplied to the charging device. When the thickness detecting unit detects the thickness of the photosensitive layer, the parameter setting unit sets at least one of a charge parameter for the charging device and a development parameter to be different from that used in forming an image on a recording medium by transferring a toner image formed on the surface of the photosensitive member onto the recording medium. | 01-27-2011 |
| 20120003021 | PRINTER HAVING AN ALTERNATE SCAVENGER GEOMETRY - A printer having a developer station for holding a supply of developer which includes magnetized carrier particles, a magnetized development roller, and an imaging roller proximate the development roller which collects carrier particles during operation of the printer. A scavenger proximate the imaging roller and the development roller removes the carrier particles from the imaging roller during operation of the printer which are then urged through a slot in the scavenger by the magnetized development roller. | 01-05-2012 |
| 20120034006 | CLEANING DEVICE, IMAGE FORMING APPARATUS INCLUDING SAME, AND METHOD FOR MOUNTING SAME - A cleaning device including: multiple cleaning members arranged consecutively in a direction of movement of a cleaning target to remove adhered substances from the cleaning target; multiple casings to individually hold and at least partially enclose the multiple cleaning members, respectively, the casings and the cleaning members together constituting multiple sub-units; and a sub-unit holder to hold the multiple sub-units, from which the sub-units are individually removable. | 02-09-2012 |
| 20120195659 | Sheet-Fed Duplex and Sheet-Fed Duplex Multi-Color Printers - A sheet-fed duplex and a sheet-fed duplex multi-color printer which is compact, using an electrophotographic printing system. For a long image to be printed on both faces of a sheet of paper, the printer enables producing printed matter at high efficiency and high precision, and yet when printing front and rear faces of a sheet of paper in succession the printer is able to prevent a printing face of the sheet of paper printed on upstream in its conveyance direction from becoming soiled by toner transferred from a printing face of the sheet of paper printed on downstream in its conveyance direction. | 08-02-2012 |
| 20120243925 | CLEANING UNIT AND IMAGE FORMING APPARATUS - An image forming apparatus includes a rotatable member-to-be-cleaned having elasticity; a cleaning member, having elasticity, for removing a deposited matter deposited on the member-to-be-cleaned; and a supporting portion for supporting the cleaning member so that the cleaning member swings around a swing fulcrum. The swing fulcrum of the supporting portion is provided so that a force exerted from the member-to-be-cleaned onto the cleaning member with respect to a direction along a tangential line where the cleaning member and the member-to-be-cleaned contact each other during movement of the member-to-be-cleaned has a vector component in a direction in which the cleaning member is moved away from the member-to-be-cleaned. | 09-27-2012 |
| 20120251209 | Image Forming Device - An image forming device, including: photosensitive bodies arranged in parallel in a predetermined direction; a belt that runs in the predetermined direction to transfer a developer image formed on each of the photosensitive bodies to a sheet-like medium; recovering members that are respectively provided for the photosensitive bodies, wherein each recovering member recovers adhered substances adhered to each photosensitive body after the developer image was transferred to the sheet-like medium; a belt cleaner that removes the adhered substances adhered to the belt; a cleaning process execution unit that executes a cleaning process in which the adhered substances are transferred from each recovering member to the belt via each photosensitive body; and a cleaning time determination unit that determines a time period for which the cleaning process is executed, based on a color of the image formed on the sheet-like medium. | 10-04-2012 |
| 20120275836 | IMAGE FORMING APPARATUS AND METHOD THEREOF - A method of maintaining a photoconductive member of an image forming apparatus is disclosed. The method includes applying fluid to a photoconductive member to form an image thereon, transferring the fluid from the photoconductive member in the form of the image and providing sponge applicator fluid to respective sponge applicator units. The method also includes squeezing the sponge applicator units to remove at least a portion of the sponge applicator fluid therefrom and sequentially placing each one of the sponge applicator units in contact with the photoconductive member to cool and clean the photoconductive member. | 11-01-2012 |
| 20140044463 | IMAGE FORMING APPARATUS - An image forming apparatus includes an image bearing member to bear a toner image, a waste toner storage mechanism to store residual toner, and an intermediate transfer unit detachable from the image forming apparatus. The intermediate transfer unit includes an intermediate transfer member onto which the toner image is transferred, a cleaning device to remove residual toner remaining on the intermediate transfer member after the toner image is transferred to a recording medium, and a connecting mechanism to connect the cleaning device and the waste toner storage mechanism. The connecting mechanism includes a movable connecting tube and a moving device to move the connecting tube between a first position at which the connecting tube engages the cleaning device and the waste toner storage mechanism, and the second position at which the connecting tube separates the cleaning device from the waste toner storage mechanism. | 02-13-2014 |
| 20140348560 | MEMBER MOVING MECHANISM AND IMAGE FORMING APPARATUS INCLUDING SAME - A member moving mechanism includes a moving member movable in first positive and negative directions, a moved member that moves in second positive and negative directions when the moving member moves, a belt member connecting the moving member to the moved member, a belt-member guide member, an openable-closable cover engaged with the moving member, a first biasing member that biases the moved member in the second negative direction, and a second biasing member that biases the moving member in the first positive direction with a biasing force larger than that of the first biasing member. The moving member moves in the first positive direction with the biasing force of the second biasing member when the openable-closable cover moves in an opening direction, while the moving member moves in the first negative direction against the biasing force of the second biasing member when the openable-closable cover moves in a closing direction. | 11-27-2014 |
