Patents Examined by Sophia S. Chen
  • Patent number: 11899393
    Abstract: A photosensitive member unit includes a photosensitive member, a transfer roller, a mounting portion capable of mounting a development unit including a development roller, a first gear and a second gear each provided at one end of the photosensitive member in an axial direction of the photosensitive member, and a third gear provided at one end of the transfer roller in an axial direction of the photosensitive member and configured to engage with the second gear. The first gear, the second gear, and the third gear are helical gears. A direction in which helical teeth of the first gear are inclined is opposite to a direction in which helical teeth of the second gear are inclined, and the direction in which the helical teeth of the first gear are inclined matches a direction in which helical teeth of the third gear are inclined.
    Type: Grant
    Filed: October 6, 2022
    Date of Patent: February 13, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masao Uyama, Kenji Matsuda, Ken Kikuchi
  • Patent number: 11892792
    Abstract: An example user terminal apparatus includes a display, a communication apparatus to communicate with an external apparatus, and a processor to, based on information on a possible first toner refill quantity of a plurality of grouped image forming apparatuses provided from the external apparatus through the communication apparatus and a toner quantity of one toner refill apparatus, control the display to display a guide message including information on the time point of toner refill, each of the image forming apparatuses which is a subject of toner refill within the group, and a possible second toner refill quantity of each of the image forming apparatuses at the time point of toner refill.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: February 6, 2024
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: Tae Hee Won
  • Patent number: 11892780
    Abstract: An image forming apparatus includes an electrophotographic photoreceptor that has a photosensitive layer constituting a surface of the electrophotographic photoreceptor, a charging device that charges the surface of the electrophotographic photoreceptor, an electrostatic charge image forming device that forms an electrostatic charge image on the charged surface of the electrophotographic photoreceptor, a developing device that accommodates a developer containing a toner which contains toner particles and an external additive, and develops the electrostatic charge image formed on the surface of the electrophotographic photoreceptor by the developer as a toner image, a transfer device that transfers the toner image formed on the surface of the electrophotographic photoreceptor to a surface of a recording medium, and a cleaning device that includes a cleaning blade coming into contact with the surface of the electrophotographic photoreceptor and cleaning at least residual toner particles on the surface of the el
    Type: Grant
    Filed: January 16, 2023
    Date of Patent: February 6, 2024
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Yoshiteru Yamada, Tomoya Sasaki, Ryosuke Fujii, Hiroko Kobayashi, Yuto Okazaki
  • Patent number: 11892782
    Abstract: A powder accommodating container includes a powder accommodating portion that accommodates powder, a sealing section that openably seals a supply port by being removed from the powder accommodating portion, and a breaking section that has a film-shaped member that breaks the powder in the powder accommodating portion by being removed from the powder accommodating portion in a case of opening the supply port, is fixed to plural places in the powder accommodating portion such that the film-shaped member is removable, and is fixed to the powder accommodating portion such that a force required for removing a tip of the film-shaped member from the powder accommodating portion is larger than other portions.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: February 6, 2024
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Takashi Anzai, Takafumi Wakai, Takashi Akaike
  • Patent number: 11880162
    Abstract: An electrophotographic photoreceptor includes a conductive substrate, an undercoat layer on the conductive substrate, a charge generation layer on the undercoat layer, a charge transport layer on the charge generation layer, and an inorganic protection layer on the charge transport layer, in which the charge transport layer contains a binder resin and a charge transport material, and, when impedance of the charge transport layer is measured, a ratio (C1Hz/C10Hz) of an electrostatic capacitance C1Hz at 1 Hz to an electrostatic capacitance C10Hz at 10 Hz is 1.1 or less.
    Type: Grant
    Filed: September 19, 2022
    Date of Patent: January 23, 2024
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Yoichi Kigoshi, Michinori Fukuma, Ryota Kaneko, Jiro Korenaga
  • Patent number: 11880147
    Abstract: A developing device includes: a housing which includes an opening portion open downward and in which a developer is stored in an internal storage space, the storage space being formed of a region of the internal space in which the developer is present; a sealing part that seals the opening portion and is removed to allow the developer to fall through the opening portion; a storage part that stores the developer having fallen through the opening portion; an inlet that is provided in the housing, allows the developer floating from the storage part to flow into the storage space from which the developer has fallen, and is different from the opening portion; and a collecting part that is provided on the housing and collects the developer having flowed into the storage space through the inlet.
    Type: Grant
    Filed: October 5, 2022
    Date of Patent: January 23, 2024
    Assignee: FUJIFILM Business Innovation Corp.
    Inventor: Takafumi Wakai
  • Patent number: 11874624
    Abstract: A cartridge is attachable to and detachable from a housing main body of a foil transfer device that disposes a multilayer film including a plurality of layers on a sheet and transfers at least one layer of the multilayer film onto the sheet. The cartridge includes a feed reel around which the multilayer film is rolled and that is configured to rotate about a first axis extending in an axial direction of the feed reel, a reel gear that is located at an end portion of the feed reel in the axial direction and that is configured to rotate together with the feed reel, an output gear that transmits a rotational force applied to the feed reel to outside of the cartridge, and an intermediate gear that reduces rotation speed of the reel gear and transmits the rotation of the reel gear to the output gear.
    Type: Grant
    Filed: June 20, 2022
    Date of Patent: January 16, 2024
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Tomoya Ichikawa
  • Patent number: 11868079
    Abstract: A latch mechanism includes an operation unit, a connection unit extending in one direction and having one end connected to the operation unit, a restriction unit restricting the connection unit such that the other end of the connection unit moves to one side in the one direction, in a case where the operation unit is moved to one side in an intersecting direction intersecting with the one direction, a moving unit connected to the other end of the connection unit, extending in the one direction, and moving from a first position to a second position as the other end of the connection unit moves, and a meshing unit meshing with the moving unit arranged at the first position, and releasing meshing with the moving unit arranged at the second position.
    Type: Grant
    Filed: July 20, 2022
    Date of Patent: January 9, 2024
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Kota Tomioka, Shinya Hasegawa, Hiroyuki Tanaka
  • Patent number: 11853001
    Abstract: A development device may include: a development device body; a developer cartridge detachably attached to the development device body; first and second levers provided to the development device body, the first lever including an operation part and a first engagement portion and the second lever including a second engagement portion; first and second engaged portions provided to the developer cartridge, the first engaged portion being configured to form a first engagement with the first engagement portion and the second engaged portion being configured to form a second engagement with the second engagement portion; and a first biasing member biasing the first engagement portion to the first engaged portion. When the operation part is operated with a first pressing force, the first engagement is released, and when the operation part is operated with a second pressing force greater than the first pressing force, the first and second engagements are released.
    Type: Grant
    Filed: November 10, 2022
    Date of Patent: December 26, 2023
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Junichi Ushikubo, Yuuki Kobayashi
  • Patent number: 11852992
    Abstract: A reusable media shell has a frame to hold sheets of media in an interior. A removable cap connects to the frame and its manipulation unveils the media for picking by an imaging device. The cap resides on a terminal end of the frame so the frame covers a majority of the media. A lift plate in the interior forces upward the sheets for picking. Two magnets on the frame magnetically secure the frame to magnets in a base of the imaging device and position the sheets in the base. Upstanding walls, a lid and bottom define the interior of the frame. Inserts attached to the walls allow adjustment to accommodate various sizes of the media.
    Type: Grant
    Filed: January 30, 2023
    Date of Patent: December 26, 2023
    Assignee: LEXMARK INTERNATIONAL, INC.
    Inventors: Edward Lynn Triplett, Kevin Dean Schoedinger, Todd Allison Quinn
  • Patent number: 11846909
    Abstract: An image forming apparatus includes: a main casing; a drum cartridge; and a developing cartridge. The drum cartridge includes a photosensitive drum having a rotational axis. The drum cartridge is drawable from the main casing in a first direction where the axis of the photosensitive drum extends. The developing cartridge is drawable from the main casing in the first direction. The developing cartridge includes: a developing roller; a front wall; and a first developing-device frame. The front wall is disposed at a downstream end of the developing cartridge in the first direction. The front wall has a first hole. The first developing-device frame supports the developing roller. The first developing-device frame includes a first boss extending in the first direction. The first boss goes through the first hole of the front wall.
    Type: Grant
    Filed: August 1, 2022
    Date of Patent: December 19, 2023
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Shougo Sato
  • Patent number: 11846910
    Abstract: A process cartridge includes a first unit including an image bearing member configured to carry an electrostatic latent image, and a second unit including a developer bearing member configured to develop the electrostatic latent image carried on the image bearing member into a toner image, the second unit being capable of being mounted on the first unit in a mounting direction. The first unit includes a moving member that moves the second unit mounted on the first unit at a mounting position to a detachment position. The second unit includes a storage unit that stores information about the second unit. The moving member is disposed on a first side of the process cartridge in a longitudinal direction of the image bearing member. An electrode of the storage unit is disposed on a second side of the process cartridge in the longitudinal direction.
    Type: Grant
    Filed: December 28, 2022
    Date of Patent: December 19, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Noriyuki Komatsu, Masaki Ojima, Tomonori Mori, Daisuke Abe, Tadayuki Tsuda
  • Patent number: 11841640
    Abstract: An image forming apparatus includes a photosensitive member, a developing roller, first and second motors, a drive-train having a drive switching unit, and a development switching unit. The drive-train transmits a driving force of the first motor to the developing roller. The second motor drives the drive switching unit and the development switching. The drive switching unit switches between a driving force transmission state and a driving force non-transmission state. The development switching unit switches between a developing roller-photosensitive member contact state and a developing roller-photosensitive member separated state, and operates with an operation of the drive switching unit. When the drive switching unit transitions from the non-transmission to the transmission state and a detected magnitude of a current flowing through the first motor has changed, the second motor is stopped before the developing roller is brought into contact with the photosensitive member while driving the first motor.
    Type: Grant
    Filed: November 3, 2022
    Date of Patent: December 12, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventor: Masatoshi Itoh
  • Patent number: 11841634
    Abstract: A photosensitive member unit includes a photosensitive member and a drive receiving portion receiving a driving force for rotating the photosensitive member; a developing unit joined to the photosensitive member unit so as to be movable relative to the photosensitive member unit between a first position in which a developing roller is in contact with the photosensitive member and a second position in which the developing roller is spaced from the photosensitive member; and a transmission member transmitting the driving force to the developing unit, wherein the developing unit has a driven member driven by the transmission member, and the transmission member is configured to engage with the driven member to drive the driven member with the developing unit located in the first position, and to engage with the driven member to drive the driven member with the developing unit located in the second position.
    Type: Grant
    Filed: November 22, 2022
    Date of Patent: December 12, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yuichi Fukui, Shinichi Nishida
  • Patent number: 11841666
    Abstract: A power supply apparatus generates an output voltage. A boost circuit boosts a voltage supplied from a reference voltage source and generates a first power supply voltage. A processor controls switching the boost circuit on and off. A first transistor is connected to the first power supply voltage. A second transistor is connected to a collector of the first transistor. A resistance element is connected to a collector of the second transistor. A voltage source is connected to the resistance element and generates a second power supply voltage. A collector voltage, which is an output voltage, of the second transistor is controlled by controlling an amount of base current of the first transistor.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: December 12, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masayuki Sakai, Shuichiro Sugimoto, Toshiaki Sugiyama
  • Patent number: 11835885
    Abstract: An image forming system includes a toner container and an image forming apparatus, the toner container including a first toner containing portion, a container base portion having a discharge port for discharging toner, and a container shutter that is moved between open and closed positions and includes an engaged portion, wherein the image forming apparatus includes a main body base portion that detachably attaches the toner container and has a receiving port for receiving the toner and, a second toner containing portion, a movable member that is moved between first and second positions and includes an engaging portion that engages with the engaged portion, a regulating member that is moved between a regulation position and a regulation release position, and an urging member that urges the movable member to move from the first position to the second position when the regulating member is located at the regulation release position.
    Type: Grant
    Filed: January 4, 2023
    Date of Patent: December 5, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroyuki Munetsugu, Shohei Katsuya
  • Patent number: 11835714
    Abstract: A polygon mirror includes a resin member, a first surface, a second surface facing the first surface, an inner surface joining the first and second surfaces to surround a through hole extending from the first to the second surface, and includes outer surfaces joining the first and second surfaces. A first segment between the first surface and the outer surfaces is defined as a first reference of a height in a direction from a second segment between the second surface and the outer surfaces to the first segment. The first surface includes a projection that forms the inner surface and projects from the first reference toward a side opposite to the second surface. The second segment is defined as a second reference of the height in the direction. The second surface includes a depressed portion distant from the outer surfaces and depressed from the second reference toward the first surface.
    Type: Grant
    Filed: May 17, 2022
    Date of Patent: December 5, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventor: Atsushi Takata
  • Patent number: 11835915
    Abstract: An image forming apparatus includes an image bearing member, a developing device including a developer container and a developer carrying member, a mounting portion, a moving mechanism, a cover member, a wall member, a first seal member, a second seal member, and a fan. When the developing device is in a separated position, neither the first seal member or the second seal member contacts the wall member. When the developing device is in a developing position, both the first seal member and the second seal member contact the wall member. When the developing device is in the developing position, a space for permitting passing of an airflow by the fan is formed along a mounting direction by the cover member, the wall member, the first seal member, and the second seal member.
    Type: Grant
    Filed: July 11, 2022
    Date of Patent: December 5, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Yoshiro Nishino
  • Patent number: 11829096
    Abstract: The cartridge is detachably mountable to a main assembly of an image forming apparatus that includes a drive output member configured to output a driving force, and a main assembly side pushing member configured to incline the drive output member by pushing the drive output member. The cartridge includes a photosensitive drum and a cartridge side pushing member. The cartridge side pushing member is configured such that an inclination angle of the drive output member is changed by pushing the main assembly side pushing member.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: November 28, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Goshi Ozaki, Shigemi Kamoshida, Isao Koishi, Yukio Kubo, Noriyuki Komatsu, Tetsuo Uesugi
  • Patent number: 11829085
    Abstract: A toner container according to one example embodiment includes a plurality of electrical contacts for contacting corresponding electrical contacts in an image forming device when the toner container is installed in the image forming device. The electrical contacts of the toner container are accessible from below at the bottom of the body by the corresponding electrical contacts in the image forming device when the toner container is installed in the image forming device. The electrical contacts of the toner container are spaced from each other along a horizontal dimension that is orthogonal to a vertical dimension of the toner container. A nominal position of the horizontal dimension along which the electrical contacts are spaced from each other is angled relative to a front-to-rear dimension of the toner container and a side-to-side dimension of the toner container.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: November 28, 2023
    Assignee: LEXMARK INTERNATIONAL, INC.
    Inventors: Emily Stefano Adams, Brian Lester Boettcher, David Lee Merrifield