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| Number | Title | Issue Date |
| 8190078 | Toner conveyance device and image forming apparatus incorporating same In a toner conveyance device, a first agitator contacts a helical outer circumferential surface of a blade of a conveyance member for conveying toner, and swings in coordination with rotation of the conveyance member to agitate the toner. The first agitator includes... | 05/29/2012 |
| 8185032 | Used toner collection device and image forming apparatus A used toner conveyance device includes a lateral conveyance member for conveying used toner substantially in the horizontal direction, and a vertical conveyance member for upwardly conveying the used toner transferred from the lateral conveyance member. The vertica... | 05/22/2012 |
| 8135329 | Toner conveyer device, process cartridge, and image forming apparatus A toner conveyer device for use din an image forming apparatus includes a toner conveyer belt conveys waste toner, a screw member that receives the waste toner from the toner conveyer belt and conveys the waste toner to a housing unit, and a scraping member that scr... | 03/13/2012 |
| 8131200 | Cleaning device and image forming device A cleaning device includes a cleaning member for removing developer attached to a developer attaching member; a rotation carrying member which is rotatably configured to carry the developer that is removed by the cleaning member; a housing member for housing the dev... | 03/06/2012 |
| 8095061 | Image forming unit having conveying members for conveying waste developer and image forming apparatus In an image forming unit or an image forming apparatus, there is an image carrying body, then, a cleaning member is furnished along the image carrying body to remove developer remaining on the surface of the image carrying body after transferring; a first conveying ... | 01/10/2012 |
| 8090306 | Waste-toner collection system and image forming apparatus having the same A waste-toner collection system includes a waste toner container that accumulate waste toner from a transport section. A tray has an upward opening for replacing the waste toner container and can be movable between a retracted position where the tray has been pushed... | 01/03/2012 |
| 8090307 | Developer recovering unit with grounded downstream transporting device and image forming apparatus using the same A developer recovering unit is provided with a recovery vessel that contains a developer to be recovered, a transporting device that includes a transporting member that transports the developer through a tubular transport path connecting a portion where the develope... | 01/03/2012 |
| 8081918 | Developer transportation device and image forming apparatus A developer transportation device includes a storage portion for storing developer; a transportation member formed of an elastic material and disposed in the storage portion to be freely rotatable for transporting the developer upon rotating; and a rotation transmis... | 12/20/2011 |
| 8064815 | Wrap spring clutch auger An apparatus for moving waste toner within a printer cartridge includes an auger having a radially inward facing surface, the radially inward facing surface defining an opening having an inner diameter. An elongated drive shaft has an outer surface defining an outer... | 11/22/2011 |
| 8050615 | Disposed toner collecting device of image forming apparatus According to an embodiment of the invention, a sliding plate that slides in contact with an inner wall of a disposed toner duct is oscillated by using rotation of a disposed toner collection auger. As the sliding plate is oscillated, disposed toner falling and fed t... | 11/01/2011 |
| 8036586 | Developer delivering device and image forming apparatus The developer delivering device includes a first delivering path, a second delivering path, a helical delivering blade disposed in the second delivering path, and a developer breaking member disposed in a connecting portion of the first delivering path and the secon... | 10/11/2011 |
| 8010034 | Waste toner conveying device and image forming apparatus A waste toner conveying device includes a first conveying path configured to convey waste toner having paper powder at a low mixed ratio, which is stored in a first cleaning device, outside the first cleaning device, a second conveying path configured to convey seco... | 08/30/2011 |
| 8000644 | Powder transporting device and image forming apparatus A powder transporting device includes a drop path that allows powder to drop, a first crushing member that is located in the drop path and crushes the powder cohesion in the drop path by reciprocating along the drop path, and a second crushing member that located in... | 08/16/2011 |
| 7991344 | Waste powder recovering device and image forming apparatus A recovery port, through which waste powder is recovered, is formed at one end of a waste powder recovery container. A conveying member for conveying the waste powder, which has been recovered through the recovery port, from one end to the other end is disposed insi... | 08/02/2011 |
| 7974566 | Image-forming apparatus having apparatus for preventing accumulation of waste toner in waste toner container and method thereof An image forming apparatus including: a toner cartridge to store toner; a developer to develop an image on a printing medium using the toner from the toner cartridge; and a waste toner container to store waste toner removed from the developer, wherein the waste tone... | 07/05/2011 |
| 7965972 | Image forming apparatus, powder transporting apparatus and waste-powder transporting method An image forming apparatus includes: an image forming section forming an image on a recording medium; first and second storage parts storing waste powder discarded from the image forming section; a transport path of the waste powder; first and second discharging par... | 06/21/2011 |
| 7937036 | Collected developer conveying device and image forming apparatus which vents a developing container A collected developer conveying device includes: a conveying passage through which collected developer is conveyed; a conveying member that is disposed in the conveying passage, and conveys the developer in the conveying passage by rotation thereof; a developer carr... | 05/03/2011 |
| 7929898 | Waste toner collecting apparatus and image forming apparatus A tandem type image forming apparatus drives an agitation paddle when the waste toner defecated from a plurality of image forming units and flowed and collected in a single waste toner containing member by way of the first collection port thereof gets to a predeterm... | 04/19/2011 |
| 7920816 | Developer collection device and image forming apparatus A developer collection device includes: a collection unit including: a collection container that contains a developer to be collected; an upstream connection part that is formed with an inlet port through which the developer flows in; and a collection conveying part... | 04/05/2011 |
| 7917076 | Toner conveying device and image forming apparatus A toner conveying device includes a pipe body (conveying pipe) having an inside diameter thereof that is modified in a pipe-axis direction and a screw member coaxially located in the pipe body for feeding the toner. The screw member includes a screw shaft that rotat... | 03/29/2011 |
| 7904014 | Waste toner collecting device and image forming apparatus provided with the same A waste toner collecting device comprising: a waste toner removing section that removes a toner which is adhered on a surface of a member to be cleaned, as waste toner; a waste toner storing section that stores the waste toner; and a waste toner transporting section... | 03/08/2011 |
| 7894760 | Disposed toner collecting device of image forming apparatus According to an embodiment of the invention, a sliding plate that slides in contact with an inner wall of a disposed toner duct is oscillated by using rotation of a disposed toner collection auger. As the sliding plate is oscillated, disposed toner falling and fed t... | 02/22/2011 |
| 7840171 | Developing unit having support units to minimize deformation from heat and pressure, and image forming apparatus having the same A developing unit includes a waste toner housing having an upper housing and a lower housing which face each other, at least one support unit to allow connection between the upper and lower housings, and to support facing surfaces of the upper and lower housings, an... | 11/23/2010 |
| 7835683 | Cleaning unit, image carrying unit and image forming apparatus using the same A cleaning unit includes a cleaning member, an ejection member, a delivering member, and a flicker. The cleaning member contacts an object to be cleaned moving in a given direction, and removes waste material from the object to be cleaned. The ejection member, dispo... | 11/16/2010 |
| 7813692 | Waste-toner conveying device, cleaning device, and process cartridge A waste-toner conveying device includes a conveying unit that conveys foreign matter accumulated inside a container in a conveying path and that includes a coil unit, and a driving unit that drives the conveying unit to rotate. The coil unit includes a first coil on... | 10/12/2010 |
| 7792478 | Cleaning device for image forming apparatus A cleaning device includes a cleaning unit configured to remove toner on an image bearing member, a container adapted to contain the removed toner that is recovered, a screw configured to convey the removed toner toward the container, a spherical moving member confi... | 09/07/2010 |
| 7778586 | Waste toner solidification apparatus for a printing device A waste toner solidification apparatus for a printing device includes a nozzle configured to receive waste toner from a hopper. A heater is configured to heat the waste toner in a manner sufficient to liquefy the waste toner within the nozzle. Substantially when exi... | 08/17/2010 |
| 7693477 | Image forming member, toner removing apparatus, developing apparatus, and image forming apparatus An image forming member includes: an electrostatic latent image holding member that holds an electrostatic latent image; a developing unit that develops a toner image formed by a toner on a surface of the electrostatic latent image holding member; a toner removing m... | 04/06/2010 |
| 7693478 | Image-forming apparatus having an approach and separation mechanism An image-forming apparatus includes: an image carrier; a latent image-forming unit for forming a latent image on the image carrier; a cleaning unit including a residue removal member a residue transport member; a residue collecting unit having an receiving port adap... | 04/06/2010 |
| 7689156 | Waste toner collecting apparatus and image forming apparatus A tandem type image forming apparatus drives an agitation paddle when the waste toner defecated from a plurality of image forming units and flowed and collected in a single waste toner containing member by way of the first collection port thereof gets to a predeterm... | 03/30/2010 |
| 7676188 | Developer conveying member, developer container, image forming apparatus, and method of assembling a developer conveying member A developer conveying member includes: a conveying member body; an end-portion supporting member; and a supported member including: a first radiation direction extending portion; and a second radiation direction extending portion, the end-portion supporting member i... | 03/09/2010 |
| 7623820 | Image forming apparatus with residual toner conveyance feature for improved detection/collection of accumulated residual toner An image forming unit includes an image bearing member. A transfer member transfers a toner image on the image bearing member to a record member. A cleaning member cleans toner adhered onto the transfer member. A toner container contains toner cleaned by the cleanin... | 11/24/2009 |
| 7623821 | Conveyor device, process cartridge, image forming apparatus, and method of forming image A conveyor device includes a conveyor belt and a driving unit that applies a driving force to the conveyor belt at different portions in a width direction of the conveyor belt to drive the conveyor belt. The driving unit includes a driving shaft having a projection ... | 11/24/2009 |
| 7620358 | Developer collecting apparatus having tiltable waste developer container A developer collecting apparatus includes a positioning frame for determining a mounting position of a photoreceptor onto a casing; a waste developer container in which waste developer eliminated by cleaning section is stored; and a container mounting section for mo... | 11/17/2009 |
| 7616923 | Power guiding device and image forming apparatus having power guiding device A shutter is rotatably supported by a first powder guiding member. When the first powder guiding member and a second powder guiding member occupy powder guiding positions, the shutter takes an open position. At this moment, a rear end of an upper surface of an open/... | 11/10/2009 |
| 7558522 | Image forming apparatus having toner cleaner and toner cleaning method An image forming apparatus according to one embodiment of the invention includes an image carrier and a cleaning device for cleaning a developer left on a surface of the image carrier. Further, the cleaning device includes: a casing having a rotational shaft; a pres... | 07/07/2009 |
| 7555255 | Image forming apparatus The image forming apparatus includes image forming device for forming a toner image on a recording material, a residual toner collecting container detachably provided on a main body of said image forming apparatus and adapted to collect residual toner discharged fro... | 06/30/2009 |
| 7542714 | Used toner collecting device and an image forming apparatus having the same A used toner collecting device for an image forming apparatus includes a used toner receiver for receiving used toner remaining on a surface of a photoconductive medium, a used toner conveying member for conveying the used toner received in the used toner receiver, ... | 06/02/2009 |
| 7512373 | Image forming apparatus and developer supplier capable of supplying developer at increased speed An image forming apparatus includes an image forming mechanism configured to contain a developer and to form an image with the developer and a developer supplier configured to supply the developer to the image forming mechanism. The developer supplier includes a dev... | 03/31/2009 |
| 7509086 | Image forming apparatus In a toner collecting device of the cyclone separator type that collects toner separated from air, exhaust of the air including unseparated toner to outside the cyclone separator, which is caused by an unstable sucking operation of a cyclone blower, can be prevented... | 03/24/2009 |
