New And Waste Toner Container Patents (Class 399/120)
  • Patent number: 10962918
    Abstract: An image forming apparatus includes a photosensitive unit provided with a discharge opening, a pair of frame members, a developer receiving portion connected to the discharge opening, and a developer feeding portion connected to the developer receiving portion. The developer receiving portion is provided inside a space sandwiched between the frame members. The developer feeding portion is provided outside the space.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: March 30, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Yuji Nakayashiki
  • Patent number: 10915040
    Abstract: A toner container is detachably attachable to a developing device. The developing device includes an inlet to be poured with a toner, an inlet shutter to move between a closed position, at which the inlet is closed, and an open position, at which the inlet is open, a biasing mechanism to bias the inlet shutter toward the closed position, an engaged structure provided in the inlet shutter, an engaging structure to engage with the engaged structure and to retain the inlet shutter at the open position against a biasing force of the biasing mechanism, and an engagement releasing structure provided in the inlet shutter and to release an engaging state between the engaged structure and the engaging structure. The toner container includes a contacting surface to contact with the engagement releasing structure and to make the engagement releasing structure release the engaging state.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: February 9, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Tomofumi Yoshida, Kohta Sakaya, Shinichi Arasawa, Jin Sam Park, Goo Chul Jung, Yasunobu Ogata
  • Patent number: 10831146
    Abstract: A process cartridge having a drum cartridge and a toner cartridge is provided. The drum cartridge includes a photosensitive drum, a cleaner, a conveyer tube, a developing roller, and a developing device. The toner cartridge is attachable to the drum cartridge and is located on a side of the developing roller opposite to the photosensitive drum in an attaching direction. The toner cartridge includes a waste toner container to store the toner conveyed through the conveyer tube and a toner container to store the toner to be supplied to the photosensitive drum. The toner container communicates with a developing chamber in the developing device and is located at least partly between the waste toner container and the developing chamber. The conveyer tube extends in the attaching direction and is arranged to overlap the photosensitive drum, the toner container, and the waste toner container in a view along an axial direction.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: November 10, 2020
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Shougo Sato, Hideshi Nishiyama, Aya Adachi, Atsushi Fukaya
  • Patent number: 10761472
    Abstract: According to a first aspect of the present invention, there is provided a toner cartridge detachably mountable to a receiving device, the toner cartridge comprising a container including a accommodating portion for accommodating the toner and a discharge opening for discharging the toner from the accommodating portion into the receiving device; and an open/close member including a closing portion for closing the discharge opening and an engaging portion movable relative to the closing portion, the open/close member being rotatable relative to the container between (a) an opening position for causing the closing portion to open the discharge opening and (b) a closing position for causing the closing portion to close the discharge opening, wherein the engaging portion is movable relative to the closing portion between (c) a engaging position for engagement with the receiving device to receive a force for moving the open/close member from the opening position to the closing position when the toner cartridge is d
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: September 1, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yosuke Kashiide, Takashi Kimura
  • Patent number: 10675876
    Abstract: A liquid storage device includes a tank, a shaft, an agitator blade, and a sealing member. The tank is configured to store ink to be supplied to an inkjet head. The shaft is configured to be inserted inside the tank via an insertion hole provided in the tank. The agitator blade is disposed inside the tank and is connected to the shaft. The sealing member is configured to block a space between the shaft and the insertion hole for a period during which the agitator blade is not rotating and is configured to open the space between the shaft and the insertion hole for at least a part of a period during which the agitator blade is rotating.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: June 9, 2020
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Daisuke Kuno
  • Patent number: 10663888
    Abstract: A developer container includes a body, an agitating bar, and an agitating film. The body includes a bottom plate; a first side wall; a second side wall facing the first side wall; a developer chamber defined by the bottom plate, the first side wall, and the second side wall, the developer chamber storing developer; and an opening formed in the bottom plate to allow the developer chamber to communicate with an outside of the developer chamber and allow the developer to be supplied from the developer chamber to the outside of the developer chamber. The agitating bar is configured to rotate to agitate the developer stored in the developer chamber. The agitating film is attached to the agitating bar and configured to, when rotation of the agitating bar stops, stop in a state where the agitating film abuts the first side wall and the second side wall.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: May 26, 2020
    Assignee: Oki Data Corporation
    Inventor: Takanori Mimura
  • Patent number: 10625509
    Abstract: A liquid storage device includes a tank, a shaft, an agitator blade, a first tube, a second tube, and a fixing member. The tank is configured to store ink to be supplied to an inkjet head. The shaft is configured to be inserted inside the tank via an insertion hole provided in the tank. The agitator blade is disposed inside the tank and is connected to the shaft. The first tube is configured to supply the ink to the inkjet head. The second tube is configured to return the ink to the tank. The fixing member is disposed in a position higher than the agitator blade, and is configured to fix the first tube and the second tube.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: April 21, 2020
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Daisuke Kuno
  • Patent number: 10585384
    Abstract: A process cartridge having a drum cartridge and a toner cartridge is provided. The drum cartridge includes a photosensitive drum, a cleaner, a conveyer tube, a developing roller, and a developing device. The toner cartridge is attachable to the drum cartridge and is located on a side of the developing roller opposite to the photosensitive drum in an attaching direction. The toner cartridge includes a waste toner container to store the toner conveyed through the conveyer tube and a toner container to store the toner to be supplied to the photosensitive drum. The toner container communicates with a developing chamber in the developing device and is located at least partly between the waste toner container and the developing chamber. The conveyer tube extends in the attaching direction and is arranged to overlap the photosensitive drum, the toner container, and the waste toner container in a view along an axial direction.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: March 10, 2020
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Shougo Sato, Hideshi Nishiyama, Aya Adachi, Atsushi Fukaya
  • Patent number: 10579011
    Abstract: A process cartridge including a drum cartridge, a developing cartridge, and a waste toner container, is provided. The drum cartridge includes a photosensitive drum including a photosensitive layer and a rotation axis extending in an axial direction, a drum cleaner arranged to contact the photosensitive drum, a cleaner frame configured to accommodate the drum cleaner therein, and a waste toner conveyer tube connected with the cleaner frame. The developing cartridge is movable to be attached to and detached from the drum cartridge and includes a developer roller. The waste toner container is movable to be attached to and detached from the drum cartridge. When the developing cartridge and the waste toner container are attached to the drum cartridge, the waste toner container is connected with the waste toner conveyer tube and is located on an opposite side of the developing cartridge to the photosensitive drum.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: March 3, 2020
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Hideshi Nishiyama, Atsushi Fukaya, Aya Adachi, Ryosuke Hayashi, Masaaki Furukawa, Shougo Sato
  • Patent number: 10545454
    Abstract: A process cartridge including a drum cartridge, a developing cartridge, and a waste toner container, is provided. The drum cartridge includes a photosensitive drum including a photosensitive layer and a rotation axis extending in an axial direction, a drum cleaner arranged to contact the photosensitive drum, a cleaner frame configured to accommodate the drum cleaner therein, and a waste toner conveyer tube connected with the cleaner frame. The developing cartridge is movable to be attached to and detached from the drum cartridge and includes a developer roller. The waste toner container is movable to be attached to and detached from the drum cartridge. When the developing cartridge and the waste toner container are attached to the drum cartridge, the waste toner container is connected with the waste toner conveyer tube and is located on an opposite side of the developing cartridge to the photosensitive drum.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: January 28, 2020
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Hideshi Nishiyama, Atsushi Fukaya, Aya Adachi, Ryosuke Hayashi, Masaaki Furukawa, Shougo Sato
  • Patent number: 10514631
    Abstract: A toner conveyance apparatus includes a conveyance coil and a regulation member. The conveyance coil includes a coil portion, an extended portion, a first engaging portion and a connecting portion. The regulation member includes a second engaging portion, a space portion and an opening portion. The connecting portion includes a first end portion that is connected to the extended portion and a second end portion that is connected to the first engaging portion, the first end portion being arranged further on the other end side than the second end portion. The second engaging portion includes a diameter reduction area whose distance in a radial distance from the rotational axis is reduced gradually toward the other end side such that the connecting portion and the regulation member are not in contact with each other when the conveyance coil is driven.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: December 24, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Go Katsumata
  • Patent number: 10503099
    Abstract: A process unit has an image carrying unit having an image carrying member configured to be rotatable about a first axis extending in a first direction, and a developing agent removing member, a developing unit having a developing agent carrying member configured to be rotatable about a second axis parallel to the first axis, and a waste developing agent collecting unit configured to collect the developing agent removed by the removing member from the image carrying member. The waste developing agent collecting unit is arranged on one side in the first direction with respect to the developing unit such that the waste developing agent collecting unit faces the developing unit, and the developing unit is connected to the waste developing agent collecting unit such that the developing unit being movable in a second direction which is perpendicular to the first direction with respect to the waste developing agent collecting unit.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: December 10, 2019
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Shougo Sato
  • Patent number: 10466643
    Abstract: A process cartridge having a drum cartridge and a toner cartridge is provided. The drum cartridge includes a photosensitive drum, a cleaner, a conveyer tube, a developing roller, and a developing device. The toner cartridge is attachable to the drum cartridge and is located on a side of the developing roller opposite to the photosensitive drum in an attaching direction. The toner cartridge includes a waste toner container to store the toner conveyed through the conveyer tube and a toner container to store the toner to be supplied to the photosensitive drum. The toner container communicates with a developing chamber in the developing device and is located at least partly between the waste toner container and the developing chamber. The conveyer tube extends in the attaching direction and is arranged to overlap the photosensitive drum, the toner container, and the waste toner container in a view along an axial direction.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: November 5, 2019
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Shougo Sato, Hideshi Nishiyama, Aya Adachi, Atsushi Fukaya
  • Patent number: 10295956
    Abstract: A developer supply container detachably mountable to a developer receiving apparatus, the developer supply container includes an accommodating portion for accommodating a developer; a discharge opening for discharging the developer accommodated in the accommodating portion from the developer supply container; a developer feeding portion for feeding the developer in the accommodating portion toward the discharge opening; a rotatable drive receiving portion for receiving a rotational force; a drive transmitting portion for transmitting the rotational force received by the drive receiving portion to the feeding portion; a portion-to-be-detected for detecting rotation of the drive receiving portion; a contact surface for contacting a rotatable member provided in the developer receiving apparatus; wherein the drive receiving portion, the portion-to-be-detected and the contact are formed integrally.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: May 21, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Enokuchi, Manabu Jimba, Ayatomo Okino
  • Patent number: 10191413
    Abstract: A toner cartridge for accommodating toners includes a barrel, a transmission member and a toner conveying shaft. The barrel is adapted for accommodating toners and provided at an end thereof with an opening. The transmission member is rotatably disposed at the end of the barrel. The toner conveying shaft is rotatably disposed inside the barrel and provided with a shaft portion and at least one scoop portion extending from the shaft portion in a way that the scoop portion conveys the toners from the barrel to the transmission member when the toner conveying shaft rotates relative to the barrel. As a result, the toners inside the barrel can be continuously discharged out via the scoop portion.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: January 29, 2019
    Assignee: GENERAL PLASTIC INDUSTRIAL CO., LTD.
    Inventors: Chin-His Chuang, Chi-Chin Huang
  • Patent number: 10175641
    Abstract: A drum cleaner in a drum unit removes toner from a photosensitive drum. A waste-toner conveyance pipe has a waste-toner discharge port and conveys toner removed from the photosensitive drum by the drum cleaner. A toner accommodation chamber accommodates toner to be supplied to a developing roller. A waste-toner accommodation chamber accommodates toner removed from the photosensitive drum. A toner cartridge rotatably moves relative to the drum unit between: a first position at which a waste-toner receiving port is separated from the waste-toner discharge port in a state where the toner cartridge is mounted on the drum unit; and a second position at which an internal space of the waste-toner accommodation chamber is in communication with an internal space of the waste-toner conveyance pipe through the waste-toner discharge port and the waste-toner receiving port in a state where the toner cartridge is mounted on the drum unit.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: January 8, 2019
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Shougo Sato, Hideshi Nishiyama
  • Patent number: 10168663
    Abstract: A process cartridge, comprising: a drum cartridge; and a waste toner case, the drum cartridge comprising: a development roller; a first side wall to support one end of a shaft of the development roller; a second wall to support the other end of the shaft; a photosensitive drum; a cleaner; and a conveying tube, the conveying tube comprising: a first part disposed on an opposite side of the second side wall with respect to the first side wall in an axis direction, the first part being connected to the cleaner; a second part disposed closer to the second side wall relative to the first part and connected to the waste toner case; and a third part connecting the first part with the second part, wherein a direction in which the waste toner case is attached is equal to a direction in which the second part extends.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: January 1, 2019
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Atsushi Fukaya, Aya Adachi, Hideshi Nishiyama, Shougo Sato
  • Patent number: 10143984
    Abstract: An apparatus for dispensing a plurality of liquids, in particular colorants for paints, comprising a support, such as a turntable or a linear table, defining a plurality of positions and a plurality of containers holding a liquid, mounted on the support at the positions, and provided with a pump and/or a valve for dispensing the liquid from the container. At least some of the containers form, together with a respective liquid and pump and/or valve, a cartridge, which cartridge is releasably mounted in the apparatus.
    Type: Grant
    Filed: March 28, 2011
    Date of Patent: December 4, 2018
    Assignee: FAST & FLUID MANAGEMENT B.V.
    Inventors: Ronald Peter Krom, Jr., Goran Aleksijovski, Johannes Hermanus Nicolaas Post
  • Patent number: 10133233
    Abstract: An image forming apparatus includes a toner replenishing portion, a waste toner collecting portion, and a toner container. The toner container is attachable to the toner replenishing portion and the waste toner collecting portion. The toner container includes a first lever switchable between first and second positions, and a second lever switchable between third and fourth positions. The toner replenishing portion includes a first actuating portion configured to, while the toner container is being attached to the toner replenishing portion, prohibit an attachment of the toner container, and a second actuating portion configured to switch the second lever to the fourth position. The waste toner collecting portion includes a third actuating portion configured to, while the toner container is being attached to the waste toner collecting portion, prohibit an attachment of the toner container, and a fourth actuating portion configured to switch the first lever to the second position.
    Type: Grant
    Filed: May 6, 2016
    Date of Patent: November 20, 2018
    Assignee: KYOCERA Document Solutions Inc.
    Inventor: Koji Murata
  • Patent number: 10126681
    Abstract: A cartridge includes a shutter that opens and closes when the cartridge is attached and detached to a developing unit or image forming apparatus. The cartridge includes a casing having a chamber with a first opening at one end portion allowing toner to flow out of the casing. The cartridge includes a cover that covers the first opening, movable with the casing and having a second opening allowing toner to flow out of the cover. The shutter is located at the one end portion and has a protrusion further from the one end portion than the cover. The developing unit supports the protrusion when the cartridge is mounted thereon, and the casing pivots with the cover relative to the developing unit between a first position where the shutter closes the second opening and a second position where a third opening of the shutter overlaps the second opening.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: November 13, 2018
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Hideshi Nishiyama
  • Patent number: 10114146
    Abstract: A powder sensing device includes: a housing formed of a transparent member and having powder housed therein; and a light transmission-type sensor capable of sensing that powder is housed in the housing, the light transmission-type sensor including a light emitting unit and a light receiving unit, the light transmission-type sensor being provided such that at least a part of the housing is disposed between the light emitting unit and the light receiving unit. The housing has a light incident surface, a light emission surface and an adjacent surface provided adjacent to the light emission surface. The adjacent surface extends so as to be farther away from an optical axis that connects the light emitting unit and the light receiving unit as the adjacent surface is closer to the light emission surface in a direction of the optical axis that connects the light emitting unit and the light receiving unit.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: October 30, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventor: Masahiko Tanaka
  • Patent number: 10067468
    Abstract: An image forming apparatus, including a casing, a toner cartridge, and a process cartridge, is provided. The toner cartridge detachably attached to the casing stores toner therein. The process cartridge detachably attached to the casing includes a developing unit and a drum unit. The developing unit includes a developer roller and a toner conveyer tube. The toner conveyer tube has a first opening, through which the toner from the toner cartridge is acceptable into the toner conveyer tube while the toner cartridge and the process cartridge are attached to the casing. The drum unit includes a photosensitive drum supporting the toner conveyer tube by contacting a circumferential surface of the toner conveyer tube. The developing unit is pivotable with respect to the drum unit with the toner conveyer tube and the drum unit being slidable on each other.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: September 4, 2018
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Shougo Sato, Atsushi Fukaya
  • Patent number: 10018940
    Abstract: Disclosed is a developer storage container including a container body and a shutter. The container body has a developer discharge port and is capable of being changed in posture. The shutter is configured to sealingly close or open the developer discharge port, and includes a shutter body, a swingable member and a shaft displacement restriction portion. The shutter body has a sealing surface for sealingly closing the developer discharge port, and a pair of bearing portions. The swingable member has a pair of shaft portions each pivotally supported by a respective one of the pair of bearing portions. The swingable member is swingable between a restriction position where it restricts a sliding movement of the shutter, and a permission position where it permits the sliding movement of the shutter. The shaft displacement restriction portion is configured to restrict an axial movement of the pair of shaft portions.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: July 10, 2018
    Assignee: KYOCERA Document Solutions Inc.
    Inventor: Daisuke Eto
  • Patent number: 10001723
    Abstract: A toner case includes a case main body, a cover, and a coil spring. The case main body is rotatable and has a toner containing space in which a toner is contained and an opening through which the toner is discharged from the toner containing space. The cover keeps a rotation stop state when the case main body rotates and has a communication space which communicates with the toner containing space via the opening. The coil spring is fixed to the cover so that at least a part of the coil spring is arranged in the communication space. The coil spring vibrates as the case main body rotates.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: June 19, 2018
    Assignee: KYOCERA Document Solutions Inc.
    Inventor: Takaaki Arai
  • Patent number: 9910385
    Abstract: A toner container installed in an image forming apparatus includes a toner container main body having a predetermined length and in which toner is accommodated, a discharge port through which the toner is discharged from the toner container main body, a shutter which opens and closes the discharge port, a handle provided on the toner container main body, and a pressed portion provided on the toner container main body and which is pressed by the image forming apparatus to project the handle out from the image forming apparatus.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: March 6, 2018
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHA
    Inventors: Hisashi Kimura, Takafumi Amano
  • Patent number: 9841703
    Abstract: A developing apparatus includes a developing container containing a developer and a stirring-conveying screw configured to feed the developer. The stirring-conveying screw includes a first feeding screw portion to feed the developer in a first direction, a second feeding screw portion to feed the developer in an opposite direction, and a third feeding screw portion. A first feeding passageway accommodates parts of the feeding screw portions, and a second feeding passageway is provided in fluid communication with the first feeding passageway. A bottom surface portion is disposed proximate to the communication opening and has a first portion provided at a position higher than a bottom surface of the second feeding screw and a second portion provided at a position lower than a bottom-most portion of the communication opening. The bottom surface portion is located downstream of the second feeding screw and faces the third feeding screw.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: December 12, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yusuke Ishida, Takanori Iida
  • Patent number: 9804530
    Abstract: A toner case includes a case main body, a housing frame, a communicating port, a conveying rib, and a conveying screw. The case main body is capable of containing a waste toner. The housing frame is configured to communicate with an inside of the case main body and to rotatably support the case main body. The communicating port is opened on a circumferential face of the housing frame and connected with an image forming part. The conveying rib rotates integrally with the case main body in a first direction so as to convey the waste toner along a direction of introducing the waste toner into the case main body. The conveying screw rotates integrally with the case main body in the first direction so as to convey the waste toner introduced into the housing frame via the communicating port toward the inside of the case main body.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: October 31, 2017
    Assignee: KYOCERA Document Solutions Inc.
    Inventors: Koji Izumi, Koji Murata
  • Patent number: 9785089
    Abstract: A toner case includes a case main body, a supplying port, a collecting port, a supplying shutter, and a collecting shutter. The supplying shutter opens the supplying port in accordance with attachment of the case main body to a supplying attachment part, closes the supplying port in accordance with detachment of the case main body from the supplying attachment part, and closes the supplying port in a state that the case main body is attached to a collecting attachment part. The collecting shutter opens the collecting port in accordance with attachment of the case main body to the collecting attachment part, closes the collecting port in accordance with detachment of the case main body from the collecting attachment part, and closes the collecting port in a state that the case main body is attached to the supplying attachment part.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: October 10, 2017
    Assignee: KYOCERA Document Solutions Inc.
    Inventors: Koji Izumi, Koji Murata
  • Patent number: 9639051
    Abstract: Provided is a powder recovery device including a recovery container that includes a powder collection chamber therein, recovers used powder transported from a powder processing section that performs a process using powder, and collects the recovered powder in the powder collection chamber, and a transport member that is provided within the recovery container along the longitudinal direction of the recovery container, and evenly transports powder collected in the powder collection chamber, wherein plural recovery ports are provided at positions located higher than a highest location in the recovery container at which powder is collected, and plural air vent ports are at least separately provided at regions with a center of the recovery container in the longitudinal direction of the recovery container interposed therebetween.
    Type: Grant
    Filed: January 5, 2016
    Date of Patent: May 2, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Go Miura, Tsutomu Komiyama, Koyu Shigemori
  • Patent number: 9599928
    Abstract: A powder transport member includes a rotary member that rotates around an axis inside a container in which powder is contained, a contact member that has one end secured to the rotary member and another end that is a free end, the contact member flexing upon contact of the other end with an inner wall of the container, the contact member having multiple cuts provided in an axial direction of the rotary member, the cuts extending from the other end obliquely with respect to the rotary member, and multiple projections that are provided on the rotary member in the axial direction, the projections projecting from the rotary member toward the inner wall of the container, the projections having a distal end portion that is located at a different position from a starting edge of the cuts with respect to the axial direction.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: March 21, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventor: Akihisa Maruyama
  • Patent number: 9563149
    Abstract: A developer collection container includes a connecting part removably connected to a discharge structure by moving relative to the discharge structure, the connecting part having a receiving opening to receive developer discharged from a discharge opening of the discharge structure, a storage part for storing the discharged developer, an opening and closing member provided in an area of the connecting part where the receiving opening is provided, the opening and closing member moving parallel to the area in conjunction with relative movement of the connecting part for displacement between close and open positions to close and open the receiving opening and having a covering part, and a sealing member provided around the receiving opening in the area, the sealing member sealing a gap formed between the covering part and the area and sealing at least a gap formed between the surrounding part of the discharge opening and the area.
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: February 7, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Takashi Akaike, Shota Matsumae
  • Patent number: 9535368
    Abstract: A toner supply device according to one aspect of the present disclosure includes: a toner case configured to contain toner; and a mounting member on which the toner case is detachably mounted. The mounting member includes: a toner receiving portion configured to receive the toner discharged from the toner case; and a toner holding portion configured to hold the toner received by the toner receiving portion. The toner holding portion includes a movable portion disposed below the toner receiving portion. The movable portion is provided so as to be able to lift and lower relative to the toner receiving portion.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: January 3, 2017
    Assignee: KYOCERA Document Solutions Inc.
    Inventor: Koji Murata
  • Patent number: 9482987
    Abstract: Provided is a powder container having a new structure capable of stable discharge and transport of a powder contained in a container by enabling the powder to be reliably discharged to the outside of the package while preventing the powder from spilling and flying out of the container.
    Type: Grant
    Filed: December 2, 2011
    Date of Patent: November 1, 2016
    Assignee: RICOH COMPANY, LTD.
    Inventors: Junichi Matsumoto, Tsukuru Kai, Hiroshi Hosokawa, Makoto Komatsu, Tadashi Hayakawa, Yuzuru Ozawa
  • Patent number: 9448510
    Abstract: An image forming apparatus includes an image carrier, a first guide portion, a developing portion, and a second guide portion. The first guide portion forms a first flow path in which toner removed from the image carrier is flowed downward with respect to a horizontal direction. The developing portion visualizes an electrostatic latent image formed on a surface of the image carrier, with developer including at least toner and carrier. The second guide portion forms a second flow path in which the developer in the developing portion is flowed diagonally downward with respect to the horizontal direction and guided to the first flow path.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: September 20, 2016
    Assignee: KYOCERA Document Solutions Inc.
    Inventors: Koji Izumi, Hiroyoshi Omura
  • Patent number: 9423759
    Abstract: An image forming apparatus, including a body with an aperture, a processing unit movable between an inside position and an outside position, and a transfer unit, is provided. The processing unit includes first and second drum cleaners to remove waste toner from first and second photosensitive drums respectively; and a waste toner conveyer including a conveyer tube longitudinally extending in a movable direction of the processing unit, a port, a conveyer screw located inside the conveyer tube, and a shutter movable between an opening position and a closed position to open and close the port. The transfer unit includes a belt unit with a belt arranged to contact the first photosensitive drum and the second photosensitive drum, and a belt cleaner including a container with an opening which communicates with the port of the conveyer tube when the processing unit is in the inside position.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: August 23, 2016
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Shougo Sato, Atsushi Fukui, Isao Fukuchi
  • Patent number: 9400471
    Abstract: An image forming apparatus includes a sheet conveyance section capable of conveying a long sheet; an electrophotographic image forming section; and a control section configured to control a toner refreshing operation. The toner refreshing operation includes a first toner refreshing operation and a second toner refreshing operation. In the first toner refreshing operation, an ejection toner image is formed on the image bearing member and removed by a cleaning section for the image bearing member, and in the second toner refreshing operation, an ejection toner image is formed on the image bearing member and the ejection toner image thus formed is transferred and fixed to the long sheet conveyed by the sheet conveyance section. When the toner refreshing operation is required, the control section executes the first toner refreshing operation or the second toner refreshing operation during an interval between jobs.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: July 26, 2016
    Assignee: KONICA MINOLTA, INC.
    Inventor: Shougo Fukai
  • Patent number: 9389537
    Abstract: A developer holding apparatus includes a first chamber, a second chamber, a communication port, and a shutter. The first chamber holds a developer material therein. The second chamber is adjacent the first chamber, and holds the developer material therein. The first chamber communicates with the second chamber through the communication port. The shutter opens and closes the communication port.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: July 12, 2016
    Assignee: OKI DATA CORPORATION
    Inventor: Masashi Fujii
  • Patent number: 9389539
    Abstract: An image forming apparatus includes an apparatus body; plural developing devices arranged in a first direction in the apparatus body; plural developer housing containers that are arranged in a second direction intersecting with the first direction and house developers to be respectively supplied to the developing devices; plural transport devices that respectively transport the developers to the developing devices from the developer housing containers; an intermediate transfer; and a transfer device. The developing devices include a first developing device located near the transfer device, and a second developing device located farther from the transfer device than the first developing device. The transport devices include first and second transport devices that respectively transports developers to the first and second developing devices. A transport distance of the developer transported the first transport is larger than that of the developer transported by the second transport device.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: July 12, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Tsutomu Somemiya, Tetsuji Okamoto, Takuji Matsumoto, Atsuna Saiki
  • Patent number: 9367022
    Abstract: A toner conveyance device includes a conveyance channel through which toner is transported, communicating with a conveyance origin and a destination container disposed inside an image forming apparatus, a conveyor disposed in the conveyance channel to rotate in the conveyance channel, a driving source to drive the conveyor; and a slide-assist sheet attached to an inner face of the conveyance channel positioned facing the conveyor.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: June 14, 2016
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yuta Kawashima, Satoshi Hatori, Takeshi Fukao, Hideyasu Seki
  • Patent number: 9348259
    Abstract: A toner housing container includes a container body housing a toner; a conveying portion conveying the toner from one end of the container body, in a longer direction of the container body, to its other end at which a container opening portion is provided; a pipe receiving port receiving a conveying pipe fixed to a toner conveying device; and an uplifting portion moving the toner toward a toner receiving port of conveying pipe. Such toner has a molecular weight distribution having a peak in a range of 103 to 104, and has C/R of from 0.03 to 0.55 between peak height C attributed to crystalline polyester resin and R attributed to non-crystalline resin when measured by FT-IR after stored at 45° C. for 12 hours.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: May 24, 2016
    Assignee: RICOH COMPANY, LTD.
    Inventors: Masashi Nagayama, Hisashi Nakajima, Yoshitaka Sekiguchi, Saori Yamada, Shinya Hanatani, Mariko Takii, Hiroshi Hosokawa, Shunji Katoh, Shinji Tamaki, Hiroshi Ikeguchi, Kenji Kikuchi, Michiharu Suzuki
  • Patent number: 9342039
    Abstract: An image forming apparatus includes a cover, a container holder, a detecting unit and a movable member. The cover opens/closes an opening attaching/detaching a toner container. The container holder is supported movably within the opening by attaching the toner container. The detecting unit includes a switching part switching a first position detecting an attaching condition of the toner container and a second position detecting a not-attaching condition of the toner container. The movable member interlocks with an opening/closing operation of the cover and switches the switching part of the detecting unit by moving. The movable member can move in a switching direction of the switching part from the second position to the first position when the cover is closed in the attaching condition. The movable member is restricted from moving in the switching direction by the container holder when the cover is closed in the not-attaching condition.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: May 17, 2016
    Assignee: KYOCERA Document Solutions Inc.
    Inventors: Daisuke Eto, Nobuhiro Fukuma
  • Patent number: 9316996
    Abstract: Image forming apparatus includes conveyance portion, discharge portion, opening/closing portion, and toner storing portion. Conveyance portion conveys toner along axis direction of image carrier. In discharge portion, discharge outlet is formed such that toner conveyed by conveyance portion is dropped from discharge outlet. Opening/closing portion is provided on discharge portion and moves in axis direction in such way as to open and close discharge outlet. Toner storing portion includes opening portion, restriction portion, and cover portion. Opening portion has insertion opening into which discharge portion is inserted in conveyance direction in which toner is conveyed. Restriction portion contacts part of opening/closing portion and restricts movement of opening/closing portion when discharge portion is inserted into insertion opening.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: April 19, 2016
    Assignee: KYOCERA Document Solutions Inc.
    Inventor: Naoki Mizutani
  • Patent number: 9316991
    Abstract: A developer cartridge includes a case, a developer carrying member, a developer supplying member, a cap, an electrode, and a fixing member. The case has a first side wall formed with a toner fill-hole and a second side wall facing the first side wall in a particular direction. The cap is configured to seal the toner fill-hole. The electrode is configured to supply a bias voltage to at least one of the developer carrying member and the developer supplying member. The fixing member is configured to fix the electrode to the cap such that the electrode is disposed in superposed relation to the cap in the particular direction.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: April 19, 2016
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Takeyuki Takagi
  • Patent number: 9291992
    Abstract: An imaging unit for an electrophotographic image forming device having positional control features for aligning the imaging unit in a supporting frame in the image forming device. The positional control features include on each end wall, first and second bullet noses and a stop arm positioned between the two bullet noses. The first and second bullet noses engage support or datum surfaces provided in corresponding openings in the frame. The stop arm receives a biasing force that rotates the imaging unit into its final operating position. A latching assembly is provided on one end wall to prevent the imaging unit from ejecting from the frame.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: March 22, 2016
    Assignee: Lexmark International, Inc.
    Inventors: Brian Lester Boettcher, Jeffrey Alan Abler, Mark William Amann, Donn Duane Bryant, Geoffrey Kirk Carlson, Paul Douglas Horrall, Michael David Maul, Jennifer Marie Murphy, Joshua Carl Poterjoy
  • Patent number: 9261817
    Abstract: A replenishing developer housing container includes: a container body housing a replenishing developer; a conveying portion; a pipe receiving port; and an uplifting portion. The replenishing developer contains a toner and a carrier. The container body includes a protruding portion protruding from a container body interior side of the container opening portion toward one end of the container body and a curving portion curving so as to conform to the protruding portion. The uplifting portion includes an uplifting wall surface extending from an internal wall surface of the container body toward the protruding portion. When the replenishing developer housing container is mounted on the replenishing developer conveying device, the protruding portion is present between the curving portion and the replenishing developer receiving port of a conveying pipe being inserted.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: February 16, 2016
    Assignee: RICOH COMPANY, LTD.
    Inventors: Hitoshi Iwatsuki, Shigenori Yaguchi, Hiroshi Tohmatsu, Toyoaki Tano, Hiroyuki Kishida, Kenichi Mashiko, Koichi Sakata, Hiroshi Hosokawa, Shunji Katoh, Shinji Tamaki, Hiroshi Ikeguchi, Kenji Kikuchi, Michiharu Suzuki
  • Patent number: 9256160
    Abstract: A developer storage container includes a main body portion and a rotary cylindrical body. The main body portion has a cylindrical inner peripheral surface and a pair of main body side end surfaces. The rotary cylindrical body has a side surface having a cylindrical shape, a pair of rotary body end surfaces and a storage space configured to store developer. A slit extending is formed on the side surface of the rotary cylindrical body to allow communication between the internal space and the storage space. The rotary cylindrical body is so arranged in the internal space that a predetermined clearance is defined between the side surface and the inner peripheral surface of the main body portion. A developer discharge port is opened on the main body portion.
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: February 9, 2016
    Assignee: KYOCERA Document Solutions Inc.
    Inventors: Hirohito Konishi, Daisuke Eto, Arata Nakamura
  • Patent number: 9244383
    Abstract: A toner supplying device includes: a toner container that is tubular, includes a spiral groove at an outer circumferential face, a toner discharge opening at one end in a longitudinal direction, and a depression at the other end in the longitudinal direction, and is rotationally driven to convey toner contained in the toner container along the spiral groove in the longitudinal direction to discharge the toner from the toner discharge opening; a rotational driving unit that engages with the one end of the toner container to rotationally drive the toner container to cause the toner container to discharge the toner; and a projection provided at an interior portion at which the toner container is installed, and having an inclination in which a projection amount increases toward downstream in a rotational direction of the toner container. The projection is formed to fall in the depression of the toner container.
    Type: Grant
    Filed: August 22, 2014
    Date of Patent: January 26, 2016
    Assignee: RICOH COMPANY, LIMITED
    Inventors: Hironori Ohshima, Tadashi Ogawa, Koichi Yamazaki, Atsushi Nakamoto
  • Patent number: 9239560
    Abstract: In an image-forming device, a waste developer material accommodating part is provided integrally with a developer material accommodating part and is configured to accommodate waste developer material collected by a recovering unit. A waste developer material conveying mechanism is connected to both of the recovering unit and the waste developer material accommodating part and conveys the waste developer material from the recovering unit to the waste developer material accommodating part. The waste developer material conveying mechanism includes a conveying member that is disposed outside the waste developer material accommodating part and that is coupled to a center region of the waste developer material accommodating part along an axial direction of the photosensitive drum.
    Type: Grant
    Filed: August 11, 2014
    Date of Patent: January 19, 2016
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Shougo Sato, Nao Itabashi
  • Patent number: 9229366
    Abstract: A developer storage container includes a container main body, a developer discharge port, a moving shaft, a moving plate, a guide portion and an elastic member. The container main body includes a wall defining an internal storing space. The developer discharge port is arranged at a predetermined position of the container main body. The moving shaft is arranged to extend in a first direction in the internal space. The moving plate moves in the first direction along the moving shaft in the internal space and conveys the developer toward the developer discharge port. The guide portion guides a movement of the moving plate in the first direction while maintaining the posture of the moving plate. The elastic member is attached to the moving plate and slides in contact with an inner surface of the wall of the container main body when the moving plate moves in the first direction.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: January 5, 2016
    Assignee: KYOCERA Document Solutions Inc.
    Inventor: Naoki Shibata
  • Patent number: 9170530
    Abstract: A powder container includes a cylindrical container body to contain a powder, having an opening in one end thereof, to convey the powder contained in the container body to the opening with rotation of the container body, and having a container-body projection provided on an outer circumferential surface of the container body; and a cylindrical holder, into which the end of the container body having the opening is inserted, to hold the container body rotatably, having a powder outlet through which the powder is discharged from the holder and a holder projection provided on an inner circumferential surface thereof. The container-body projection repetitively contacts and separates from the holder projection with rotation of the container body to vibrate the container body and the holder.
    Type: Grant
    Filed: June 10, 2011
    Date of Patent: October 27, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Yuki Oshikawa, Yuuki Satoh, Takuya Seshita, Toshiki Hayashi, Masashi Nagayama, Hiroyuki Uenishi, Tomoji Ishikawa