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| Number | Title | Issue Date |
| 8190067 | Developing device, toner cartridge, process cartridge, and image forming apparatus including a developer guide member A developing device including a developer container configured to store a developer and a developing unit provided below the developer container. The developer container includes a first developer agitation member, and a developer guide member extending along a rota... | 05/29/2012 |
| 8190066 | Developing unit A developing unit includes a developer cartridge having an outside frame and an inside frame that has a first opening. The first opening is movable between a first opening position where the first opening is opened and a first closing position where the first openin... | 05/29/2012 |
| 8185022 | Image forming apparatus and process cartridge An image forming apparatus is provided including a casing, a process cartridge, and a toner box. The process cartridge includes: a first housing which supports an electrostatic latent image carrier and which has a first opening and a first edge portion; and a second... | 05/22/2012 |
| 8180260 | Image forming apparatus comprising a vibration applying member An image forming apparatus includes a vibration applying member for vibrating a developer containing unit in a state where a conveying member for conveying a developer is stopped in a developer cartridge. ... | 05/15/2012 |
| 8180262 | Process cartridge, developer supply cartridge and electrophotographic image forming apparatus A process cartridge comprises an electrophotographic photosensitive drum and a developing roller for developing an electrostatic latent image formed on the electrophotographic photosensitive drum with developer. The cartridge further comprises a receiving side devel... | 05/15/2012 |
| 8180259 | Developer supply container and developer supplying system With a structure in which gear trains 5, 6 of a developer supply container 1 are locked by a locking member 7, and the gear trains 5, 6 receive a drive from a gear 12 of a developer receiving apparatus 10, thus accomplishing... | 05/15/2012 |
| 8180261 | Image forming apparatus including a developer replenishing device which uses an air feeding device for a two-ingredient type developer An image forming apparatus of the present invention includes a developing unit for developing a latent image formed on an image carrier with a two-ingredient type developer, i.e., a toner and carrier mixture. A toner replenishing device replenishes toner stored in a... | 05/15/2012 |
| 8170452 | Developer supplying unit A developer supplying unit of the present invention includes a first driving mechanism which transmits rotational driving to a drive shaft by rotating a first rotational shaft in a normal direction and a second driving mechanism which reciprocates a bottle holding m... | 05/01/2012 |
| 8165505 | Developer cartridge adapted to restrict leakage of developer A developer cartridge includes a developer storing portion that stores a developer and has a first opening for taking out the developer, and a shutter member slidably mounted to the developer storing portion so as to open and close the first opening. The shutter mem... | 04/24/2012 |
| 8165507 | Image formation apparatus and developer cartridge An image formation apparatus is provided, to which developing devices, each having an opening, and developer cartridges for respectively supplying a developing agent to the openings of the developing devices are mountable. The apparatus includes: developing device s... | 04/24/2012 |
| 8165504 | Toner cartridge guide unit having toner cartridge lifting unit and image forming apparatus having the same A toner cartridge guiding unit includes a guide frame to guide mounting of a toner cartridge, and having a toner feed hole formed opposite to a toner discharge hole of the toner cartridge, a toner sealing member attached to the proximity of the toner feed hole, and ... | 04/24/2012 |
| 8165506 | Image forming apparatus and developer container therefor An image forming apparatus includes a plurality of developing units respectively including developer inlets, the developing units are arranged side by side in a first direction, a plurality of developer containers to contain developers to be supplied to the pluralit... | 04/24/2012 |
| 8160481 | Storage container, supply device, and image forming apparatus A storage container includes a container body that stores a supplementary material and is detachably attached to an image forming apparatus; a discharge port that is provided at a bottom of the container body; two protrusions that protrude from the container body to... | 04/17/2012 |
| 8139987 | Developer supplying cartridge, developer receiving cartridge, process cartridge, and image forming apparatus A developer supply cartridge detachably mountable to a main assembly of an image forming apparatus, includes a developer accommodating portion of accommodating a developer; a discharging opening for discharging the developer accommodated in the developer accommodati... | 03/20/2012 |
| 8139986 | Arrangement for conveying toner from a toner supply container into a toner receiving container In an arrangement to convey toner from a toner bottle of a toner reservoir into a toner receiving container, the toner bottle has a cover to close an output opening thereof. The cover has an upper cover part to accept the toner bottle and a lower cover part to close... | 03/20/2012 |
| 8126374 | Image forming apparatus and developer container therefor An image forming apparatus includes a plurality of developing units respectively including developer inlets, the developing units are arranged side by side in a first direction, a plurality of developer containers to contain developers to be supplied to the pluralit... | 02/28/2012 |
| 8126373 | Toner supply device and image forming apparatus that prevents toner from being scattered from the device A toner supply device includes a toner container, a transport-path forming member, an opening, a shutter member, and a first seal member. The opening is provided at a side wall of the transport-path forming member. The shutter member is movable between a closed posi... | 02/28/2012 |
| 8126375 | Toner container and image forming apparatus A toner container includes a longitudinal container body and a held portion. The longitudinal container body has a first end and a second end distal to the first end in a length direction of the container body. The container body includes a gear configured to engage... | 02/28/2012 |
| 8126372 | Developer storage case and image forming apparatus A developer storage case includes: a storage case that includes: a developer storage space that stores a developer therein; and a discharge opening that discharges the developer stored in the developer storage space, the storage case defining an opening through whic... | 02/28/2012 |
| 8116665 | Image forming apparatus and image forming method A technology for controlling the generation of damages of a photoconductive surface caused due to the attachment of a carrier to a photoconductor in an image forming apparatus using a two-component developing agent is provided. An image forming apparatus is configur... | 02/14/2012 |
| 8103196 | Developer containing device and image forming apparatus into/from which developer containing device is installed and removed A developer containing device includes: a developer container configured to contain developer and to be inserted into a receptacle defined in an image forming apparatus main body; a developer feed inlet provided in a forward end of the developer container which is i... | 01/24/2012 |
| 8099027 | Developer containing device and image forming apparatus into/from which developer containing device is installed and removed A developer containing device includes: a developer container configured to contain developer and to be inserted into a receptacle defined in an image forming apparatus main body; a developer feed inlet provided in a forward end of the developer container which is i... | 01/17/2012 |
| 8095047 | Fluid container device and image forming apparatus A toner supply container according to this invention includes a toner containing portion, a support member and a container holding member. The toner containing portion is a cylindrical container having a magnet at an outer periphery thereof and configured to dischar... | 01/10/2012 |
| 8090301 | Image forming apparatus An image forming apparatus is provided with an image forming portion for forming an image according to image information; an image forming unit arranged to be detachable and integrally including the image forming portion; a developer container arranged to be detacha... | 01/03/2012 |
| 8086147 | Image forming apparatus and intermediate transfer unit An intermediate transfer unit of an image forming apparatus is provided between a plurality of developer containers for containing developer and a plurality of developing devices. The intermediate transfer unit includes an intermediate transfer unit for secondarily ... | 12/27/2011 |
| 8086146 | Image forming method and apparatus for effectively supplying developer A developer container that contains a two-component developer including a carrier and toner includes a developer containing portion configured to include a plurality of surfaces and to accommodate the two-component developer and a cap configured to communicate to a ... | 12/27/2011 |
| 8078088 | Image forming device, developing device and toner cartridge An image forming device has: a developing cartridge for developing an electrostatic latent image on an image carrying member and a toner cartridge. The developing cartridge contains a developing roller and a single auger. The toner cartridge is detachably attached t... | 12/13/2011 |
| 8078087 | Toner carrying device and image forming apparatus A toner carrying device includes a flexible sheet, and a sheet moving mechanism for allowing the flexible sheet to move back and forth by pulling the flexible sheet. In the flexible sheet, a toner passage hole for leaving a first opening section of a toner carrying ... | 12/13/2011 |
| 8073366 | Developing unit and image forming apparatus having the same A developing unit of an image forming apparatus includes a developer cartridge detachably mounted on the developing unit, a developing case in which a developing member and a first supply member are provided, a developer supply passage to supply a developer stored i... | 12/06/2011 |
| 8064805 | Toner cartridge A toner cartridge provided in an image forming apparatus in a removable manner for supplying toner to the image forming apparatus, the cartridge comprises a toner cartridge main body which contains the toner, a discharging opening for supplying the toner contained i... | 11/22/2011 |
| 8059993 | Rotating toner cleaning member for a toner delivery device in an image forming apparatus The present invention provides a toner container system, such as a toner cartridge, comprising a housing including a first reservoir for containing toner and a second reservoir for receiving toner from the first reservoir and transferring the toner to an image formi... | 11/15/2011 |
| 8050595 | Replenishment carrier injection system A replenishment carrier injection system is provided for adding carrier particles to a developer housing in a two-component developer toner imaging machine. The replenishment system includes (i) a carrier-only hopper for receiving and containing a first quantity of ... | 11/01/2011 |
| 8045899 | Process cartridge, developer supply cartridge and electrophotographic image forming apparatus A developer supply cartridge supplies a developer into a process cartridge, and is detachably mountable to a main assembly of an electrophotographic image forming apparatus. The process cartridge includes a drum, a developing roller, a receiving-side shutter portion... | 10/25/2011 |
| 8045898 | Powder conveyance unit and image forming apparatus including same A powder conveyance unit, providable to an image forming apparatus, includes a path forming member configured to form a powder conveyance path including an inner wall to convey powder therethrough and connect first and second powder containers, and a substantially p... | 10/25/2011 |
| 8041265 | Image forming unit with movable member and image forming apparatus An image forming unit includes an image forming unit main body; and a developer storage unit detachably attached to the image forming unit main body. The image forming unit main body includes a developer retaining space for retaining developer and a supply opening f... | 10/18/2011 |
| RE42797 | Developer replenishment apparatus The developer replenishment apparatus includes a first developer container for accommodating the developer for replenishment, a first conveyance member disposed in the first developer container to discharge the developer for replenishment through a first opening of ... | 10/04/2011 |
| 8027621 | Developer supply case and image forming apparatus A developer supply case which is detachably attachable to an inserted portion of an image forming apparatus body includes a case body which stores a developer in its inside; an engaging portion which causes an inserting load W when engaged with an engaged portion pr... | 09/27/2011 |
| 8027620 | Image formation apparatus and developer cartridge The invention provides an image formation apparatus, to which developing devices, each having an opening, and developer cartridges for respectively supplying a developing agent to the openings of the developing devices are mountable. The apparatus includes: developi... | 09/27/2011 |
| 8014704 | Developing agent storage device and image forming apparatus having same in which the chargeability level of the toner, storage device, and carrier have a specific relationship A developing agent storage device for storing a refill developing agent includes toner particles, carrier particles, an inner layer of the developing agent storage device. The toner particles and carrier particles compose the refill developing agent. The inner layer... | 09/06/2011 |
| 8005406 | Developer container, developer supplying device, and image forming apparatus An image forming apparatus for use with a toner container which dispenses toner to the image forming apparatus, depending on an angular position of a rotatable cap of the toner container. The rotatable cap has a handle attached thereto. There is a toner container ho... | 08/23/2011 |
