Patents Examined by Fred Braun
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Patent number: 8059997Abstract: A developer carrying member is disclosed which can stably provide toners with triboelectric charges even in various environments. The developer carrying member has a substrate and a resin layer as a surface layer formed on the surface of the substrate, and the resin layer contains a thermosetting resin as a binder resin, an acrylic resin having two units having specific structures, and conductive particles.Type: GrantFiled: April 20, 2010Date of Patent: November 15, 2011Assignee: Canon Kabushiki KaishaInventors: Satoshi Otake, Masayoshi Shimamura, Yasutaka Akashi, Takuma Matsuda, Minoru Ito, Kazuhito Wakabayashi
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Patent number: 8010010Abstract: An energy storage device that includes capacitor cells of a first type having a first internal resistance and capacitor cells of a second type having a second internal resistance which is higher than the first internal resistance. Further, there is a detection unit that detects a voltage value between two opposing ends of at least one of the capacitor cells, or a voltage detection switching unit that integrates a switch arranged between two opposing ends of at least one of the capacitor cells.Type: GrantFiled: June 5, 2008Date of Patent: August 30, 2011Assignee: Ricoh Company, Ltd.Inventor: Kazuhito Kishi
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Patent number: 8005395Abstract: A toner hopper seal assembly is disclosed. The toner hopper seal assembly has a gasket which has a gasket opening, a pull strip having a first and second end, the pull strip attached to a first side of the gasket and covering the gasket opening. The first end of the pull strip is positioned near the gasket opening. The toner hopper seal assembly also having an integrated pull tab disposed at an end of the gasket, the integrated pull tab has a first side and a second side, the integrated pull tab is formed from a same material as the gasket and separated from the gasket by a cut in the material. The toner hopper seal assembly also has an adhesive layer covering a second side of the gasket and the second side of the integrated pull tab as well as a release liner covering the adhesive layer on the second side of the gasket and the second side of the integrated pull tab. The release liner secures the integrated pull tab in place adjacent to the end of the gasket.Type: GrantFiled: March 25, 2008Date of Patent: August 23, 2011Assignee: Static Control Components, Inc.Inventors: Lawrence Dale Lewis, Glenn L. Szabo
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Patent number: 8000632Abstract: An image forming apparatus includes an image transfer unit that transfers a reversed image onto an image bearing member as a toner image, a secondary transfer roller that transfers the toner image onto a recording medium, a contact and separation unit that brings the secondary transfer roller into contact with and separates the secondary transfer roller from the image bearing member, a secondary-transfer-roller housing unit that houses the secondary transfer roller, a lubricant applying brush that applies a lubricant thereto, a lubricant-applying-brush housing unit that houses the lubricant applying brush and is configured to be movable along a groove, and an lifting and lowering member that lifts and lowers the lubricant-applying-brush housing unit, wherein the secondary transfer roller and the lubricant applying brush come into contact with and separate from each other in response to a contact and separation operation of the secondary transfer roller and the image bearing member.Type: GrantFiled: May 23, 2008Date of Patent: August 16, 2011Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki KaishaInventor: Hidetoshi Murao
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Patent number: 8000645Abstract: A productivity module for increasing duplex throughput of a first print engine includes a second print engine, a controller, and an inverter. The controller is configured to receive one or more timing signals from the first print engine and synchronize timing of the second print engine with the first print engine based at least in part on the timing signals received from the first print engine. The inverter has an input paper path having an entrance configured to accept one or more receiver sheets from the first print engine; an output paper path having an exit configured to supply the one or more receiver sheets to the second print engine; and an inversion paper path having an entrance coupled to an exit of the input paper path and an exit coupled to an entrance of the output paper path.Type: GrantFiled: May 29, 2008Date of Patent: August 16, 2011Assignee: Eastman Kodak CompanyInventors: Michael T. Dobbertin, Timothy J. Young
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Patent number: 7962050Abstract: A system and method for managing customer orders associated with at least one printer device for consumable supplies under a contract. The method includes receiving printer usage data from at least one printer indicative of consumption of at least one consumable supply and calculating for each printer device based on the received print usage data associated with the printer device an allowed amount of at least one consumable supply that can be ordered for the printer device by a customer based on a contract. The method further includes receiving a customer order request for ordering an amount of a consumable supply for a printer device under the contract; determining whether the requested amount exceeds the allowed amount calculated for the consumable supply for the printer device, and limiting the amount of the requested consumable supply which can be ordered when the determination is positive.Type: GrantFiled: April 11, 2008Date of Patent: June 14, 2011Assignee: Xerox CorporationInventors: Yevgeniy Shustef, Steven C. Carey, Alan J. Aufderheide
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Patent number: 7945180Abstract: When an image forming apparatus, after a feeding error of a recording material occurs in a fixing device, re-forms on the recording material an image corresponding to image data which image was formed on a sheet which caused the feeding error, an image forming condition is caused to be different from an operation condition used when the feeding error has occurred. This makes it possible to prevent a JAM corresponding to the same image from recurring in the fixing device.Type: GrantFiled: April 29, 2008Date of Patent: May 17, 2011Assignee: Sharp Kabushiki KaishaInventors: Kenji Kitami, Yasunori Minakuchi, Kenji Asakura
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Patent number: 7933536Abstract: An image forming device includes a driving mechanism that transmits a driving force to a process cartridge through an input portion of the process cartridge. The driving mechanism includes a drive shaft shifting between a state engaging with the input portion and a state spaced from the input portion, a first cam joined with a door to be rotated with movement of the door, the first cam including a first sliding surface, a translation member including a sliding contact portion which slidably contacts the first sliding surface, the translation member being configured to engage with the drive shaft and shift together with the drive shaft with the sliding contact portion sliding on the first sliding surface with rotation of the first cam, and a second cam including a second sliding surface which slidably contacts the sliding contact portion to face the first sliding surface through the sliding contact portion.Type: GrantFiled: June 5, 2008Date of Patent: April 26, 2011Assignee: Brother Kogyo Kabushiki KaishaInventor: Daisuke Ogawa
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Patent number: 7920813Abstract: An image-forming apparatus, including: a latent-image supporting member, and an intermediate transfer member that supports a toner image primarily-transferred thereon from the latent-image supporting member, secondarily-transfers the supported toner image onto an image receiving medium, and has a hard releasing layer on the surface thereof, and a ratio Rv (Vbt/Vpc) between a surface moving speed Vbt of the intermediate transfer member and a peripheral speed Vpc of the latent-image supporting member satisfies the following relational expression: ?5×10?6×Hu+1.0087?Rv??5×10?6×Hu+1.0167 wherein Hu is a universal hardness (N/mm2) of the surface of the intermediate transfer member, and is set to 220 N/mm2 or more.Type: GrantFiled: May 29, 2008Date of Patent: April 5, 2011Assignee: Konica Minolta Business Technologies, Inc.Inventors: Yasuyuki Inada, Tomohide Mori, Toshiaki Hiroi
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Patent number: 7920803Abstract: Option unit configuration information indicating a mounting method of option units mounted to an image forming apparatus is acquired. An availability of use of an option unit mounted to the image forming apparatus is determined based on the mounting method of option units indicated by the acquired option unit configuration information and rules for setting the availability of use of an option unit mountable to the image forming apparatus which is stored in a storage medium. In this case, the rules are for setting, based on a mounting order of a plurality of option units mountable to the image forming apparatus, the availability of use of the option unit, and the option unit configuration information further includes information indicating a mounting order of a plurality of option units mounted to the image forming apparatus.Type: GrantFiled: February 5, 2008Date of Patent: April 5, 2011Assignee: Canon Kabushiki KaishaInventor: Hisashi Kato
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Patent number: 7917059Abstract: A developing device is detachably attached to an image forming apparatus. The developing device includes a first frame member; a second frame member disposed to face the first frame member; a shaft member for connecting the first frame member and the second frame member; a first engagement member disposed at one end portion of the shaft member for engaging the first frame member; a second engagement member disposed at the other end portion of the shaft member for engaging the second frame member; and a fixing member for fixing at least one of the first engagement member and the second engagement member.Type: GrantFiled: February 7, 2008Date of Patent: March 29, 2011Assignee: Oki Data CorporationInventor: Tetsu Koyama
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Patent number: 7912395Abstract: A monitoring apparatus and a monitoring system monitor a person who removed an output sheet for a print job or a copy job from an image forming apparatus that can be used by a plurality of users. With the use of a job-start notification, a job-end notification, and a sheet-removal notification received from the image forming apparatus, a video image during a period including the time at which the sheet output from the image forming apparatus was removed by a person can be recorded, and the video image can be managed in association with job information.Type: GrantFiled: February 8, 2008Date of Patent: March 22, 2011Assignee: Canon Kabushiki KaishaInventor: Tetsuya Yamada
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Patent number: 7907875Abstract: A developer cartridge includes a cartridge cabinet configured to accommodate developer. The cartridge cabinet includes a cartridge-side opening that allows communication between an inside of the cartridge cabinet and an outside of the cartridge cabinet, and a slope provided at a lower edge of the cartridge-side opening, the slope inclining in a direction crossing a horizontal direction when the cartridge-side opening is oriented in a horizontal direction.Type: GrantFiled: February 29, 2008Date of Patent: March 15, 2011Assignee: Brother Kogyo Kabushiki KaishaInventor: Fumikazu Sato
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Patent number: 7890015Abstract: In a cooling mechanism for a fixing device according to an embodiment of the invention, a duct that flows outer air taken in by a fan is attached firmly to a slit formed between a bent coil part at an end part of a coil and a magnetic core in an induction heating device. The bent coil part is directly cooled without exerting influence of outer air on a heat roller, and temperature rise in the bent coil part is securely prevented.Type: GrantFiled: March 7, 2008Date of Patent: February 15, 2011Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki KaishaInventor: Takaho Watanabe
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Patent number: 7856194Abstract: An intermediate transfer unit mounting and dismounting mechanism for an image forming apparatus including a transfer belt unit that is provided as a separate structure from the apparatus body and can be mounted to and dismounted from the apparatus body, includes: a coupling/decoupling manipulator disposed at the coupling portion between the intermediate transfer unit and the apparatus body for coupling/decoupling. The coupling/decoupling manipulator includes a threaded portion to fasten the intermediate transfer unit and the apparatus body and a drive gear for transferring driving force for conveying the intermediate transfer belt. While the threaded portion is rotated to release the fastening between the transfer belt unit and the housing, the transfer belt is conveyed by the drive gear that rotates in linkage with the rotation of the threaded portion.Type: GrantFiled: March 20, 2008Date of Patent: December 21, 2010Assignee: Sharp Kabushiki KaishaInventor: Susumu Murakami
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Patent number: 7856188Abstract: A developing method in an image-forming device is provided. The developing method includes the steps of charging a photoreceptor; exposing the photoreceptor to form a first latent image on the photoreceptor; developing the first latent image by a first developing unit having a first potential to form a first toner image; and discharging the photoreceptor having the first toner image, such that when the photoreceptor is charged again, the first toner image on the photoreceptor has a second potential, and the second potential is approximately the same as the first potential of the first developing unit.Type: GrantFiled: February 12, 2008Date of Patent: December 21, 2010Assignee: Aetas Technology, IncorporatedInventors: Eric Chun-Wei Shih, Dianne Tan-Feng Tsai
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Patent number: 7826780Abstract: A developer cartridge that can be attached to and detached from an image forming apparatus and contains developer, the developer cartridge includes: a first body that has an opening for supplying the developer; a second body that covers the first body, the second body having a conductive portion that can transmit electricity; and a memory unit that is disposed between the first body and the second body, the memory unit can be connected to a terminal of the image forming apparatus through the conductive portion of the second body, wherein the second body and the first body are movable relative to each other, the second body is able to open and close the opening by a relative movement with regard to the first body.Type: GrantFiled: March 12, 2008Date of Patent: November 2, 2010Assignee: Brother Kogyo Kabushiki KaishaInventor: Hideaki Deguchi
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Patent number: 7826779Abstract: A developer cartridge has: a first body having an opening; a memory unit that has a contact terminal, the memory unit is provided at the first body; and a second body that covers the first body, the second body having a exposure hole; wherein the second body and the first body are movable relative to each other, the second body is able to open and close the opening by a relative movement with regard to the first body, and wherein the contact terminal of the memory faces to outside of the developer cartridge through the exposure hole when the second body is positioned at a first position in which the opening is opened, and the contact terminal of the memory unit is covered with the second body when the second body is positioned at a second position and the opening is closed by the second body.Type: GrantFiled: March 12, 2008Date of Patent: November 2, 2010Assignee: Brother Kogyo Kabushiki KaishaInventors: Soichiro Mase, Hideaki Deguchi
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Patent number: 7817928Abstract: An image forming apparatus includes an image carrier, an intermediate transferring body and a contact type secondary transferring member transferring an image from the intermediate transferring body to a recording medium. The apparatus forms an image with respective developers for multiple colors and uses a predefined adjustment pattern to make density adjustment and position adjustment of respective color images. After execution of the density adjustment and/or the position adjustment, a stain prevention pattern is formed with a yellow developer to cover an area where the adjustment pattern is attached to the secondary transferring member.Type: GrantFiled: February 20, 2008Date of Patent: October 19, 2010Assignee: Ricoh Company, LimitedInventors: Yoshie Tsuchida, Takafumi Miyazaki
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Patent number: 7809304Abstract: A duct for an image forming apparatus for forming an image on a recording material, the duct includes a discharge opening for discharging air; a fan, mounted to a neighborhood of the discharge opening, for discharging the air; first and second openings for suction of air; a first guiding portion, having first and second openings, for guiding the sucked air; a separation member, provided in the first guiding portion, for separating a flow of the air sucked by the first opening and a flow of the air sucked by the second opening; a second guiding member, disposed overlapped with the first guiding portion, for guiding the air guided by the first guiding portion; a first interconnection opening for feeding the air from the first opening to the second guiding portion; a second interconnection opening for feeding the air from the second opening to the second guiding portion, wherein the first interconnection opening is disposed closer to the discharge opening than the second interconnection opening, and wherein theType: GrantFiled: February 25, 2008Date of Patent: October 5, 2010Assignee: Canon Kabushiki KaishaInventors: Fukashi Hatano, Kiyoshi Oyama