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| Number | Title | Issue Date |
| 7433644 | Blade brush cleaner A photoconductor belt cleaning system is described. This system can utilize in one embodiment one cleaning brush and a cleaning blade, and in a second embodiment, two cleaning brushes, brush 1 and brush 2, with a cleaning blade. In the second embodimen... | 10/07/2008 |
| 7277656 | Image forming apparatus having charging device with grid cleaner A grid cleaner 35 is fixed to a fixing holder 41 of an apparatus main body in such a way that a wet sponge 38 faces a grid 33. When a charging device 3 is made to slide in the direction indicated by arrow A, the wet sponge 38 | 10/02/2007 |
| 7266323 | Manifold for toner collection and contamination control in xerographic process developer housing An airborne toner collection manifold for an electrostatographic printer for coupling in fluid flow communication with a vacuum source includes an inlet, a collection duct, a first exhaust duct and a second exhaust duct. The inlet defines a gap slot extending longit... | 09/04/2007 |
| 7251432 | System for collecting an unfixed developer with an airflow The invention provides a fixing unit including a fixing roller and a pressure roller pressed against the fixing roller inside a housing, for holding and conveying a sheet carrying an image formed by a developer between the fixing roller and the pressure roller thus ... | 07/31/2007 |
| 7221898 | Charged particles cleaning apparatus having a biased manifold A charged particles cleaning apparatus for cleaning and removing charged particles from a surface includes (a) a housing; (b) a surface scrubbing member mounted within the housing for contacting the surface and frictionally removing charged particles therefrom; (c) ... | 05/22/2007 |
| 7219605 | Cylinder cleaning apparatus An apparatus is arranged to clean a cylinder with cleaning liquid being supplied. The cylinder includes an outer surface to which impurities are adhered. The impurities are removed from the outer surface when cleaning. The apparatus includes a spray bar into which t... | 05/22/2007 |
| 7123854 | Printer contaminant abatement systems and methods Embodiments herein comprise a compact dust abatement apparatus that includes at least one manifold shaped to fit next to a belt or drum of a printing engine, at least one blower/fan positioned within the manifold, and at least one air duct connected to the manifold.... | 10/17/2006 |
| 7054590 | Cleaning device incorporated in image forming apparatus A cleaning blade is arranged such that a tip end thereof is brought into contact with a toner image carrying member in an upwardly directed state, to scrape off residual toner from the toner image carrying member. A casing body defines a waste toner chamber accommod... | 05/30/2006 |
| 7029519 | System and method for gas recycling incorporating gas-insulated electric device A gas recycling system which has a carbon dioxide collecting device for collecting gas containing carbon dioxide from a carbon dioxide source. In the system, at least part of the gas containing sulfur hexafluoride used as an electric insulation medium in a gas-insul... | 04/18/2006 |
| 6878911 | Device and method for cleaning microwave devices Cleaning a microwave device, in particular for drying print substrate in a printing machine, with a microwave source providing an irradiation field and a resonator chamber, wherein a microwave-penetrable material on the inside surfaces of the resonator chamber for f... | 04/12/2005 |
| 6754466 | Toner removal apparatus for copier or printer A toner removal apparatus for a reproducing machine has a cylindrical brush mounted for rotation in a closely fitting housing. The housing has an open side confronting a moving photoreceptor. Brush fibers extend through the housing open side into interfering contact... | 06/22/2004 |
| 6711959 | Air velocity measurement instrument An installed or temporarily inserted air flow instrument 48 measures air flow in a pneumatic subsystem of a cleaning station in a copier or printer. The air flow instrument has a pitot tube 52 and a static pressure tube 54. The pitot tube is sub... | 03/30/2004 |
| 6529700 | System for removing liquid carrier The present invention provides a liquid carrier removing system which efficiently removes liquid carrier from a liquid developed image on a latent image bearing member, and reduces disturbance of a visible image formed with toner particles. The liquid car... | 03/04/2003 |
| 6453147 | Dust control in conductive-core fiber brush cleaning systems using self-generated air flow A method and apparatus of forming a cleaning system for an electrostatographic reproduction system having a photoconductive drum partially within a cleaning system housing and a cleaning brush having conductive core fibers within the cleaning system housi... | 09/17/2002 |
| 6408154 | Method and apparatus for enhancing electrostatic images Method and apparatus for eliminating stray background toner in electrostatic printer images by first electrostatically neutralizing any background toner charge and then removing neutralized toner. An ac corona wire positioned between a developer unit and ... | 06/18/2002 |
| 5740495 | Apparatus and method for adjusting cleaning system performance on an electrostatographic recording apparatus An electrostatographic recording apparatus and method includes recording of electrostatic images and a patch area on an endless imaging member. The recording is operative in accordance with adjustable parameters to adjust density of the patch area. A deve... | 04/14/1998 |
| 5682578 | Passive air blow out seal through recirculating chamber A channel for recirculating a stream of air located adjacent a stream of marking particles exiting substantially tangentially from a marking particle transport member within a developer unit is provided. The stream of marking particles defines an inner bo... | 10/28/1997 |
| 5557386 | Toner recovering device for electrophotographic apparatus and toner recovering filter for said toner recovering device A toner recovering device for an electrophotographic apparatus, which includes: a dust collector connected to a device for cleaning untransferred toner remaining on a photosensitive body; a toner recovering filter having an inlet port for introducing an a... | 09/17/1996 |
| 5519480 | Retraction of cleaner backers to enable disengagement of the cleaner from the photoreceptor for image on image, multi-pass color development An apparatus and method for cleaning particles from a moving imaging surface. Backers are retracted from the photoreceptor to release cleaning contact between the brushes and the moving imaging surface during development of image-on-image in the multi-pas... | 05/21/1996 |
| 5381218 | Conductive cleaning brush belt and detoning thereof A conductive flexible cleaner brush belt having a plurality of detoning stations to remove particles from the brush fibers. At least one of the rollers about which the flexible belt brush is mounted has a small diameter for spreading the brush fibers apar... | 01/10/1995 |
| 5349427 | Reproduction machine waste imaging materials removal system A sealed system for collecting and removing waste imaging material from a reproduction apparatus in a waste collection container removably insertable into the reproduction apparatus so that the inlet opening of the container is positioned at discharge out... | 09/20/1994 |
| 5341201 | Xerographic brush cleaner detoner An apparatus for detoning a cleaner brush by providing multiple opportunities for fiber detoning to take place. A screen detoning element located in the cleaner housing causes multiple interferences with the brush fibers bringing about a high degree of de... | 08/23/1994 |
| 5321484 | High efficiency low power air manifold for cleaner subsystems A detoning cleaner subsystem for a xerographic machine includes a housing having a longitudinal opening extending on one side thereof and a longitudinally extending rotating brush located therein which cleans toner particles from a moving photoreceptor su... | 06/14/1994 |
| 5315358 | Flicker bar with an integral air channel A cleaning apparatus having a flicker bar for detoning particles from the cleaning brushes. The flicker bar has an air channel integral therein. The solitary construction and the support bars in the top member of the flicker bar provides a uniform air cha... | 05/24/1994 |
| 5268727 | Uniform velocity air manifold An apparatus for cleaning surfaces using uniform air flow through a manifold. The manifold includes an inlet, a collection duct, and an exhaust duct which interact to create uniform air flow through the manifold.... | 12/07/1993 |
| 5257079 | Electrostatic brush cleaner with a secondary cleaner A cleaning brush electrically biased with an alternating current removes discharged particles from an imaging surface. The particles on the imaging surface are discharged by a corona generating device. A second cleaning device including an insulative brus... | 10/26/1993 |
| 5241352 | Air detoned cleaner brush A cleaner brush in which air flow passes through the first node of the standing wave of brush fibers to facilitate removal of particles therefrom. A flexible seal maximizes the air flow through the brush fibers.... | 08/31/1993 |
| 5237376 | Cleaning nozzle for a cleaning station in a reproduction apparatus In accordance with the invention, there is provided an improved cleaning nozzle for use in a cleaning station of a reproduction apparatus. A vacuum is applied through the cleaning nozzle to remove debris from a cleaning brush located in the cleaning stati... | 08/17/1993 |
| 5202735 | Method to control housing air inlet gap and means therefor A method and apparatus for controlling air inlet flow through a cleaner housing arranged downstream of a toner transfer area and adjacent an image forming surface of a photoreceptor in an electrophotographic machine. An adjustable air inlet baffle, with a... | 04/13/1993 |
| 5189473 | Inside contamination prevention structure for a device utilizing toner particles An inside contamination preventing mechanism is provided that is adapted to be positioned in an imaging apparatus utilizing an electrophotographic system for forming an image on a predetermined recording medium and having an air directing mechanism includ... | 02/23/1993 |
| 5151744 | Cleaner brush retone film control A process for controlling the amount of film buildup on a photoreceptor surface caused by certain print mode and/or material through conditions in a single pass highlight color printer which enables or promote photoreceptor filming by the DAD toner additi... | 09/29/1992 |
| 5126798 | Cleaning assembly for an electrostatographic reproduction apparatus In an electrostatographic reproduction apparatus wherein a latent image charge pattern is formed on a moving dielectric member web and developed with pigmented marking particles to form a transferable developed image on the dielectric member web, an impro... | 06/30/1992 |
| 5121167 | Sweep and vacuum xerographic cleaning method and apparatus A cleaning device for an electrostatographic copying machine collects residual toner from a photoconductive surface of the copying machine by the use of fiber-like bristles adhered to a face of a slit through which air is pulled by a vacuum pump. The bris... | 06/09/1992 |
| 4984028 | Cleaning unit for cleaning recording medium of an electrophotographic apparatus A toner image transfer type recording apparatus having a cleaning unit for removing residual contaminants from the surface of a rotating recording drum after toner image transfer. The cleaning unit includes a blade which engages the surface of the drum, a... | 01/08/1991 |
| 4903084 | Cleaning apparatus having an interference-fit housing The inner diameter of a single and compact external dusthood that houses the fiber brush of a brush-vacuum cleaning apparatus, is made to be substantially less than the average outer diameter of such fiber brush, thereby creating a substantial interferenc... | 02/20/1990 |
| 4851880 | Cleaning apparatus having airfoils A brush-vacuum cleaning apparatus, for removing toner particles from the image-bearing surface of a copier or printer, includes an airfoil located on the inside wall of a cylindrical brush housing. The airfoil relative to the rotation of the brush is posi... | 07/25/1989 |
| 4823153 | Cleaning system for non-impact printer In an electrographic printing apparatus, a dielectric belt cleaning system includes counter-rotating pairs of adjoining cylinders mounted to a housing. A vacuum source forces the dielectric belt in free span against the surfaces of the cylinders which are... | 04/18/1989 |
| 4610534 | Cleaning device for copying machines A cleaning device for an electrophotographic copying machine collects residual toner from the photoconductive surface of a copying machine by using a rotary brush and deposits the collected toner in a specific part such as a filter via vacuum means, where... | 09/09/1986 |
| 4459012 | Cleaning station air diverters In a rotating cleaning brush apparatus of an electrographic copier having a housing defining a chamber which partially encloses the cleaning brush, a plurality of airflow dividers are disposed within the chamber. These dividers form channels extending fro... | 07/10/1984 |
| 4295734 | Filter assembly for collecting used toner of electrophotographic copying machine A filter assembly for use in an electrophotographic copying machine to collect used toner which is swept off a member carrying an electrostatic latent image, by means of a rotating brush comprises a filter unit having a toner receiver and a filter holder ... | 10/20/1981 |
