Class / Patent application number | Description | Number of patent applications / Date published |
399353000 | Fibrous brush | 18 |
20080232875 | IMAGE FORMING APPARATUS - A brush member includes plural raisings and contacts a surface of an image bearer downstream of a transfer station and temporary captures toner remaining on the surface of the image bearer into the brush member in a toner capturing process. The brush member returns the toner to the surface of the image bearer at a prescribed time in a toner returning process. A bending direction of the plural raisings is opposite in the returning process to that in the toner capturing process. | 09-25-2008 |
20080253815 | CLEANING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - A cleaning brush configured to remove toner from a surface of a member of an image forming apparatus; wherein the cleaning brush includes a plurality of fibers having an inside part formed from a conductive material and a surface part formed by an insulating material. | 10-16-2008 |
20090269110 | TONER BRUSH WITH SUPERIMPOSED BRUSHES FOR AN ELECTRO-PHOTOGRAPHIC PRINTER AND PRINTER WITH THE TONER BRUSH - A toner brush for a printer and a printer including the toner brush. The toner brush includes a substrate (e.g. a core cylinder) with a cleaning brush and a residual toner brush superimposed over one another. During printing the printer holds the residual toner brush against a photoconductor or photoconductive surface, e.g., a photoconductive drum. For deep cleaning, the printer moves the cleaning brush closer to the photoconductor surface and holds it against the surface during deep cleaning. Deep cleaning may be automatically or manually (e.g., by an operator) initiated. | 10-29-2009 |
20090274500 | CLEANING APPARATUS AND IMAGE FORMING APPARATUS - An cleaning apparatus includes: a first brush roll for removing toner from an image carrier; a second brush roll for removing the toner from the image carrier; a first recovery device for recovering the toner deposited on the first brush roll; a second recovery device for recovering the toner deposited on the second brush roll; a first electric field forming device for forming an electric field between the first brush roll and the image carrier; and a second electric field forming device for forming an electric field between the second brush roll and image carrier, wherein the first brush roll and the second brush roll each has a plurality of electrically conductive yarns arranged on a conductive core, and a resistance R | 11-05-2009 |
20100046998 | IMAGE FORMING APPARATUS - An image forming apparatus which includes a first image forming portion including a first photosensitive member, a first charging member for electrically charging the first photosensitive member to form an image thereon, and a first cleaning brush for cleaning the first charging member, a second image forming portion including a second photosensitive member, a second charging member for electrically charging the second photosensitive member to form an image thereon, and a second cleaning brush which has a longer brush length than that of the first cleaning brush for cleaning the second charging member, a driven mechanism for causing the first cleaning brush to be rotatably driven by the first charging member which is rotatably driven along with rotation of the first photosensitive member, and a drive coupling mechanism configured to drivably couple the second charging member and the second cleaning brush to transmit a driving force from the second charging member which is rotatably driven along with the rotation of the first photosensitive member to the second cleaning brush. | 02-25-2010 |
20110268483 | WEB CLEANING SYSTEMS INCLUDING AN ELECTROSTATIC CLEANING BRUSH AND METHODS OF CLEANING PRINTED WEBS - Web cleaning systems, apparatuses useful in printing onto webs, and methods of cleaning webs are provided. An exemplary embodiment of the web cleaning systems includes a first web cleaning device having a rotatable first electrostatic cleaning brush for contacting a first surface of a moving web on which toner is disposed to remove un-fixed toner from the first surface; and a first brush cleaning device having a first cleaning member contacting the first electrostatic cleaning brush for removing toner from the first electrostatic cleaning brush. | 11-03-2011 |
20120195663 | Cleaning Device - A cleaning device includes: a collection member configured to contact a photosensitive member, on which an electrostatic latent image is configured to be formed, and collect foreign substances on the photosensitive member; a shaft configured to attract the foreign substances from the collection member so as to make the foreign substances cling thereto; a scraping member configured to contact the shaft and scrape the foreign substances cling on the shaft; and a housing configured to accommodate the collection member and the shaft, wherein the scraping member is mounted to the housing. The scraping member includes: an elastic member; and a fiber member configured to be adhered to the elastic member and slidingly contact the shaft. The elastic member is configured to press the shaft to such an extent that fibers of the fiber member are pressed and compressed. | 08-02-2012 |
20140126942 | IMAGE FORMING APPARATUS - An image forming apparatus includes a first image forming device, a plurality of second image forming devices, a first bias voltage supply device, and a second bias voltage supply device. The first image forming device and the second image forming device form a toner image. The first bias voltage supply device applies a bias voltage to a first component of the first image forming device. The second bias voltage supply device applies a bias voltage to a second component of each of the plurality of second image forming devices. | 05-08-2014 |
20150016855 | Image Forming Apparatus - An image forming apparatus includes: a first image forming unit including a first image bearing member and a first rotating member configured to rub a surface of the first image bearing member; a second image forming unit including a second image bearing member and a second rotating member configured to rub a surface of the second image bearing member; and a transfer unit configured to convey a sheet between the first image bearing member and the second image bearing member and transfer a developer on the first image bearing member and the second image bearing member, onto the sheet. The first image forming unit is disposed upstream of the second image forming unit in a sheet conveying direction. A force of the second rotating member rubbing the surface of the second image bearing member is less than a force of the first rotating member rubbing the surface of the first image bearing member. | 01-15-2015 |
20150063887 | CLEANING DEVICE, PROCESS CARTRIDGE INCORPORATING SAME, AND IMAGE FORMING APPARATUS INCORPORATING SAME - A cleaning device, which is included in a process cartridge or an image forming apparatus, includes a cleaning member including a brush rotary body that is disposed in contact with an image carrier provided in an image forming apparatus and that removes toner on the image carrier and holds the toner thereon, a toner conveying rotary body to collect and convey the toner removed by the cleaning member, a flicker contacting the cleaning member to flick off the toner held on the cleaning member, and an agitator that has a free end contacting the toner conveying rotary body and vibrating due to rotation of the toner conveying rotary body. The agitator further has a trajectory being formed between the opening and the toner conveying rotary body by movement of the free end. Alternatively, the free end of the agitator is disposed facing the flicker. | 03-05-2015 |
20160054700 | IMAGE FORMING APPARATUS - An image forming apparatus transfers a toner image formed on an image carrier having a moving surface onto a transfer object, and includes: a cleaning member that performs a removal operation on residues remaining on the image carrier after transfer of the toner image; and a brush member that has bristles including original yarns with uneven surfaces formed by microparticles adhering to and coating the original yarns, and comes into contact with the image carrier, on a downstream side relative to the cleaning member in a movement direction of the surface of the image carrier, to remove part of the residues that remains unremoved on the image carrier even after the removal operation performed by the cleaning member. | 02-25-2016 |
399354000 | Having applied voltage | 7 |
20090035038 | CLEANING DEVICE, IMAGE CARRIER UNIT, AND IMAGE FORMING APPARATUS - A brush roller includes conductive brush fibers and a conductive rotating shaft, and rotates around the rotating shaft so that the brush fibers make contact with a cleaning target to remove dirt from a surface of the cleaning target. A brush-roller cleaning unit makes contact with the brush fibers to remove the dirt from the brush fibers. A brush-fiber charge imparting unit makes contact with the brush fibers on a downstream side of a location where the brush-roller cleaning unit makes contact with the brush fibers and on an upstream side of a location where the brush fibers make contact with the cleaning target in rotation direction of the brush roller. | 02-05-2009 |
20090116887 | APPARATUS AND METHOD FOR CLEANING RESIDUAL TONER FROM DRUMS IN AN IMAGE FORMING APPARATUS - An apparatus and method for cleaning a plurality of drums in an image forming apparatus includes applying a first bias to each of a plurality of disturbing members, each disturbing member associated with a corresponding drum of a plurality of drums. While performing an image forming operation wherein at least one of the plurality of drums is not use, the bias is changed of a disturbing member corresponding to at least one of the plurality of drums not used in performing the image forming operation from the first bias to a second bias different from the first bias. | 05-07-2009 |
20090214276 | CLEANING DEVICE AND IMAGE FORMING DEVICE - A cleaning device for cleaning residual toner that, in an image forming device of an intermediate transfer type, remains on an outer circumferential surface of an intermediate transfer member after a transfer. The cleaning device includes: a charging brush operable to contact with and charge the residual toner; and a cleaner that is disposed downstream of the charging brush in a toner transport direction of the intermediate transfer member, and is operable to electrostatically adsorb the charged residual toner, wherein electrically conductive bristles have been planted randomly in the charging brush to be distributed evenly in density. | 08-27-2009 |
20100092223 | IMAGE FORMING APPARATUS - An image forming apparatus includes a photosensitive member; a developing device for developing an electrostatic image formed on said photosensitive member into a toner image; a transfer charger for transferring a toner image from said photosensitive member onto an image receiving member; a non-rotational brush and a rotatable brush for electrically charging toner, which remains on said photosensitive member after image transfer by said transfer charger, to collect the remaining toner into said developing device; a driving mechanism provided with a driving source for rotating said rotatable brush; and a moving mechanism for reciprocating said non-rotational brush by a driving force through said rotatable brush in a direction along an axis of said photosensitive member. | 04-15-2010 |
20100143010 | CLEANING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - There is provided a cleaning device for removing residual toner on an image carrier. The cleaning device includes a housing to cover a specified region of an image carrier. A first cleaning section and a second cleaning section are respectively placed in upper and lower parts of the housing partitioned by a partition member. The first cleaning section includes a first cleaning brush and a first regulating member. The second cleaning section includes a second cleaning brush and a second regulating member. The partition member substantially extends in a continuous manner with respect to a horizontal direction from the specified region to at least a position equivalent to an end portion on a housing sidewall side of the first or the second regulating member. A clearance exists between the housing sidewall and an end portion on the housing sidewall side of the partition member. | 06-10-2010 |
20100209158 | IMAGE FORMING APPARATUS AND CLEANING MECHANISM - According to an embodiment of the present invention, there is provided a cleaning mechanism including a scraping-off member or an agitating member configured to scrape off or agitate a visualizing material present on a surface of a photoconductive member and a fiber body or a power body different from the visualizing material, a collecting member configured to store the visualizing material and the fiber body or the powder body different from the visualizing material scraped off or agitated by the scraping-off member or the agitating member, and a removing member located along the surface of the photoconductive member and at a fixed interval to the surface of the photoconductive member in a range between the scraping-off member or the agitating member and the collecting member. | 08-19-2010 |
20120003022 | CLEANING BRUSH FOR ELECTROSTATOGRAPHIC APPARATUS - A cleaning brush for use in an electrostatographic imaging apparatus, including a plurality of individual electrically conductive fibers secured to a brush core and having fiber tips relatively remote from the brush core, wherein the cleaning brush includes an electrically conductive plane at a surface of the brush core, or between a surface of the brush core and the electrically conductive fibers, effective for inducing an electrical potential to the conductive fibers when an electrical potential is applied to the electrically conductive plane, and at least one of a relatively non-conductive layer electrically insulating the conductive plane from the conductive fibers, or electrically insulating coatings on tips of the electrically conductive fibers remote from the brush core. The insulative, or non-conductive, layer between the fibers and the conductive plane of the brush prevent excessive current draw. | 01-05-2012 |