Patents by Inventor Noboru Suzuki

Noboru Suzuki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9116485
    Abstract: In an image forming apparatus, a heating member for heating a recording sheet and a pressuring member disposed below the heating member are supported by a fixing unit frame. A noncontact temperature sensor disposed facing the heating member detects a temperature of the heating member without contacting the heating member. An upper frame covers an upper portion of the heating member and an upstream portion of the heating member in a conveying direction of the recording sheet. A plate-shaped upper sheet guide protrudes upstream in the conveying direction from an upstream end of the upper frame and extends in a width direction perpendicular to the conveying direction and to a vertical direction. The upper sheet guide and a lower sheet guide disposed below and facing the upper sheet guide the recording sheet in the conveying direction toward the heating member and the pressuring member.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: August 25, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Masaki Yasuda, Noboru Suzuki
  • Publication number: 20150227092
    Abstract: A fixing device configured to heat-fix a developer image on a recording sheet, the fixing device includes: a flexible cylindrical member; a nip member configured to slidingly contact an inner peripheral surface of the cylindrical member; a heating member that is arranged at an inside of the cylindrical member and is configured to heat the nip member; a stay configured to support the nip member with surrounding the heating member; a backup member configured to interpose the cylindrical member between the nip member and the backup member; a cover member that is arranged at the inside of the cylindrical member and is configured to cover the stay from an opposite side to the heating member; and a first support member configured to support the cover member and form a gap between the stay and the cover member.
    Type: Application
    Filed: April 27, 2015
    Publication date: August 13, 2015
    Inventors: Noboru Suzuki, Kei Ishida, Takuji Matsuno, Yoshihiro Miyauchi
  • Patent number: 9081342
    Abstract: A fixing device includes: a tubular member; a heater; a nip member including a base portion, a connecting portion, and a flange portion; a backup member; and a guide member. The tubular member is circularly movable in a circularly-moving direction. The guide member has a part positioned upstream of the nip member in the circularly-moving direction and configured to guide the tubular member. The part has an end portion containing a most downstream end at which the tubular member is directed to a position between the nip member and the backup member. The nip member and the guide member define a first imaginary plane containing a line connecting a first curved portion provided by a boundary region between the connecting portion and the base portion, and the most downstream end. The first imaginary plane is positioned opposite to the heater relative to a first end of the flange portion.
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: July 14, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Kei Ishida, Noboru Suzuki, Takuji Matsuno, Yoshihiro Miyauchi
  • Publication number: 20150192883
    Abstract: A fixing device, including a heat roller, a temperature detector member to detect temperature of the heat roller, a supporting member to support the temperature detector member, and a fixer frame to support the heat roller and the supporting member, is provided. The supporting member includes a supporting part to support the temperature detector member, a first part, a second part which is less rigid than the first part, and an attaching part to be attached to an attachable surface of the fixer frame. The attaching part is arranged on one end of the supporting member along the axial direction. The supporting part is arranged in an intermediate position along the axial direction in the supporting member. The first part and the second part are arranged in positions between the attaching part and the supporting part along the axial direction in the supporting member.
    Type: Application
    Filed: January 2, 2015
    Publication date: July 9, 2015
    Inventors: Noboru SUZUKI, Kentaro SAWANO
  • Publication number: 20150185683
    Abstract: An image forming apparatus is provided. The image forming apparatus includes a chassis having a first opening on a first side, a cover, movable between an open position and a closed position, a plurality of photosensitive members, an intermediate transfer belt, a plurality of primary transfer members, a secondary transfer roller, a first feed roller, a cleaner device, a waste toner container, which is removably installed in the chassis through the first opening and settled in a position opposite from the plurality of photosensitive members across the intermediate transfer belt, to store residual toner collected by the cleaner device, a connector, a first feeding path, a second feeding path, and a second feed roller. The second feed roller is rotatably supported by the cover and movable along with the cover to yield the first opening to the waste toner container when the cover is in the open position.
    Type: Application
    Filed: March 16, 2015
    Publication date: July 2, 2015
    Inventors: Hirotaka Mori, Hiroshi Nakano, Noboru Suzuki, Shougo Sato
  • Patent number: 9069322
    Abstract: An image forming apparatus is provided. The image forming apparatus includes a chassis having a first opening on a first side, photosensitive members, an intermediate transfer belt arranged to have a surface thereof facing the photosensitive members, primary-transfer members, a secondary-transfer roller, a first feed roller, a cleaner device, a waste toner container, which is removably installed in the chassis through the first opening and settled in a position opposite from the photosensitive members across the intermediate transfer belt, a connector, a first feeding path extending in a range between the first feed roller and the secondary-transfer roller, and a second feeding path being formed in clearance between the intermediate transfer belt and the waste toner container to convey a recording sheet being inserted through a sheet inlet and merging into the first feeding path in the vicinity of the first feed roller.
    Type: Grant
    Filed: January 5, 2015
    Date of Patent: June 30, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Hirotaka Mori, Hiroshi Nakano, Noboru Suzuki, Shougo Sato
  • Patent number: 9069306
    Abstract: A fixing device may include first and second fixing members arranged to form a nip portion, an urging member that provides an urging force to urge the first fixing member toward the second fixing member, a change member configured to change a width of the nip portion from a first nip width to a second nip width by applying a pressing force to the first fixing member against the urging force of the urging member and change the width of the nip portion from the second nip width to the first nip width by releasing the pressing force, and a restriction portion configured to restrict movement of the first fixing member and restrict a maximum value of the first nip width of the nip portion while the pressing force against the urging force is released.
    Type: Grant
    Filed: September 20, 2012
    Date of Patent: June 30, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Noboru Suzuki, Kei Ishida, Takuji Matsuno, Yoshihiro Miyauchi
  • Patent number: 9069305
    Abstract: A fixing device for thermally fixing a developing agent image to a sheet includes: a flexible tubular member having an inner peripheral surface defining an internal space; a heater; a nip member being in sliding contact with the inner peripheral surface of the flexible tubular member and having an electrically conductive surface; a stay supporting the nip member and being electrically conductive and electrically connected to the electrically conductive surface; a backup member nipping the flexible tubular member in cooperation with the nip member; a supporting member supporting the nip member and the stay, the supporting member being movable relative to the backup member; and a first grounding member disposed to be in contact with the stay for grounding the stay, the first grounding member being supported to the supporting member such that the first grounding member is integrally movable with the supporting member.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: June 30, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Noboru Suzuki, Kei Ishida, Takuji Matsuno, Yoshihiro Miyauchi
  • Patent number: 9037057
    Abstract: A fixing device for thermally fixing a developing agent image to a sheet includes: a flexible tubular member having an inner peripheral surface and circularly moving in a moving direction while the developing agent image is thermally fixed; a heater; a nip member being in sliding contact with the tubular member; a backup member nipping the tubular member in cooperation with the nip member; a stay covering the heater and supporting the nip member; an electric component positioned opposite to the heater with respect to the stay; and a frame supporting the electric component. The frame includes: an isolating portion interposed between the tubular member and the electric component for isolating the electric component from the tubular member; and a guide portion guiding the inner peripheral surface of the tubular member while the flexible tubular member is moving in the moving direction.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: May 19, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Noboru Suzuki, Kei Ishida, Takuji Matsuno, Yoshihiro Miyauchi
  • Publication number: 20150132036
    Abstract: A fixing device for thermally fixing a developing agent image to a sheet includes: a flexible tubular member having an inner peripheral surface and circularly moving in a moving direction while the developing agent image is thermally fixed; a heater; a nip member being in sliding contact with the tubular member; a backup member nipping the tubular member in cooperation with the nip member; a stay covering the heater and supporting the nip member; an electric component positioned opposite to the heater with respect to the stay; and a frame supporting the electric component. The frame includes: an isolating portion interposed between the tubular member and the electric component for isolating the electric component from the tubular member; and a guide portion guiding the inner peripheral surface of the tubular member while the flexible tubular member is moving in the moving direction.
    Type: Application
    Filed: January 12, 2015
    Publication date: May 14, 2015
    Inventors: Noboru Suzuki, Kei Ishida, Takuji Matsuno, Yoshihiro Miyauchi
  • Publication number: 20150125194
    Abstract: A fixing device for thermally fixing a developing agent image to a sheet includes: a flexible tubular member defining an axis extending in an axial direction; a heater; a nip plate configured to be in sliding contact with the tubular member and having an engaging portion; a backup member configured to nip the flexible tubular member in cooperation with the nip plate; and a stay configured to support the nip plate and having an end portion in the axial direction. The stay includes: a support portion configured to support the nip plate; a plurality of hook portions provided at the end portion to support the nip plate; and a protruding portion protruding toward the backup member and configured to engage the engaging portion such that the nip plate is restricted from moving in a direction orthogonal to a direction in which the backup member confronts the nip plate.
    Type: Application
    Filed: January 9, 2015
    Publication date: May 7, 2015
    Inventor: Noboru Suzuki
  • Publication number: 20150117923
    Abstract: An image forming apparatus is provided. The image forming apparatus includes a chassis having a first opening on a first side, photosensitive members, an intermediate transfer belt arranged to have a surface thereof facing the photosensitive members, primary-transfer members, a secondary-transfer roller, a first feed roller, a cleaner device, a waste toner container, which is removably installed in the chassis through the first opening and settled in a position opposite from the photosensitive members across the intermediate transfer belt, a connector, a first feeding path extending in a range between the first feed roller and the secondary-transfer roller, and a second feeding path being formed in clearance between the intermediate transfer belt and the waste toner container to convey a recording sheet being inserted through a sheet inlet and merging into the first feeding path in the vicinity of the first feed roller.
    Type: Application
    Filed: January 5, 2015
    Publication date: April 30, 2015
    Inventors: Hirotaka Mori, Hiroshi Nakano, Noboru Suzuki, Shougo Sato
  • Patent number: 9020385
    Abstract: An image forming apparatus includes a fixing device, a motor, and a control device. The fixing device includes a heating member, a drive roller in contact with the heating member at a nip portion therebetween, and a memory configured to store an outer diameter of the drive roller. The motor is configured to drive the drive roller. The control device is configured to read the outer diameter from the memory, adjust a rotation speed of the motor such that the rotation speed of the motor becomes smaller as the outer diameter read from the memory becomes larger, and drive the motor at an adjusted rotation speed.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: April 28, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Masahito Kajita, Noboru Suzuki
  • Patent number: 9020408
    Abstract: A fixing device configured to heat-fix a developer image on a recording sheet, the fixing device includes: a flexible cylindrical member; a nip member configured to slidingly contact an inner peripheral surface of the cylindrical member; a heating member that is arranged at an inside of the cylindrical member and is configured to heat the nip member; a stay configured to support the nip member with surrounding the heating member; a backup member configured to interpose the cylindrical member between the nip member and the backup member; a cover member that is arranged at the inside of the cylindrical member and is configured to cover the stay from an opposite side to the heating member; and a first support member configured to support the cover member and form a gap between the stay and the cover member.
    Type: Grant
    Filed: September 20, 2012
    Date of Patent: April 28, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Noboru Suzuki, Kei Ishida, Takuji Matsuno, Yoshihiro Miyauchi
  • Patent number: 9014609
    Abstract: A fixing device includes: a flexible tubular member defining an internal space and extending in an axial direction; a first fixing member disposed within the internal space; and a second fixing member configured to nip the flexible tubular member in cooperation with the first fixing member. The flexible tubular member includes a metal base tube having an outer peripheral surface configured of a first area and a second area other than the first area in the axial direction. The first area has a 10-point average roughness of larger than 3 ?m, and the second area has a 10-point average roughness of equal to or smaller than 3 ?m.
    Type: Grant
    Filed: January 10, 2013
    Date of Patent: April 21, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Noboru Suzuki, Kei Ishida, Takuji Matsuno, Seiji Hiramatsu
  • Patent number: 9008540
    Abstract: An image forming apparatus is provided. The image forming apparatus includes a chassis having a first opening on a first side, a cover, movable between an open position and a closed position, a plurality of photosensitive members, an intermediate transfer belt, a plurality of primary transfer members, a secondary transfer roller, a first feed roller, a cleaner device, a waste toner container, which is removably installed in the chassis through the first opening and settled in a position opposite from the plurality of photosensitive members across the intermediate transfer belt, to store residual toner collected by the cleaner device, a connector, a first feeding path, a second feeding path, and a second feed roller. The second feed roller is rotatably supported by the cover and movable along with the cover to yield the first opening to the waste toner container when the cover is in the open position.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: April 14, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Hirotaka Mori, Hiroshi Nakano, Noboru Suzuki, Shougo Sato
  • Patent number: 8989620
    Abstract: An image forming apparatus is provided. The image forming apparatus includes a chassis having a first opening on a first side, photosensitive members, an intermediate transfer belt arranged to have a surface thereof facing the photosensitive members, primary-transfer members, a secondary-transfer roller, a first feed roller, a cleaner device, a waste toner container, which is removably installed in the chassis through the first opening and settled in a position opposite from the photosensitive members across the intermediate transfer belt, a connector, a first feeding path extending in a range between the first feed roller and the secondary-transfer roller, and a second feeding path being formed in clearance between the intermediate transfer belt and the waste toner container to convey a recording sheet being inserted through a sheet inlet and merging into the first feeding path in the vicinity of the first feed roller.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: March 24, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Hirotaka Mori, Hiroshi Nakano, Noboru Suzuki, Shougo Sato
  • Patent number: 8983350
    Abstract: A fixing device for thermally fixing a developing agent image to a sheet fed in a sheet feeding direction includes a tubular flexible fusing member, a nip plate, a heater, a reflection plate, and a backup member. The tubular flexible fusing member has an inner peripheral surface defining an internal space and an axis defining an axial direction. The nip plate is disposed in the internal space, and the inner peripheral surface is in sliding contact with the nip plate. A heater is disposed in the internal space and confronts the nip plate in a confronting direction. The reflection plate is configured to reflect a radiant heat from the heater toward the nip plate. A backup member is configured to provide a nip region in cooperation with the nip plate for nipping the fusing member between the backup member and the nip plate.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: March 17, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Noboru Suzuki, Kei Ishida, Yoshihiro Miyauchi, Tomohiro Kondo, Tsuneo Fujiwara, Etsuko Fujiwara
  • Patent number: 8983349
    Abstract: A fixing device for thermally fixing a developing agent image to a sheet includes a tubular member, a nip plate, a heater, a reflection plate, and a backup member. The tubular member has an inner peripheral surface defining an internal space and an axis defining an axial direction. The nip plate is disposed in the internal space, and the inner peripheral surface is in sliding contact with the nip plate. A heater is disposed in the internal space and confronts the nip plate in a confronting direction. The reflection plate is configured to reflect radiant heat from the heater toward the nip plate. A backup member is configured to provide a nip region in cooperation with the nip plate for nipping the fusing member between the backup member and the nip plate.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: March 17, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Noboru Suzuki, Kei Ishida, Yoshihiro Miyauchi, Tomohiro Kondo, Tsuneo Fujiwara, Etsuko Fujiwara
  • Patent number: 8977178
    Abstract: A fixing device including: a flexible cylindrical member; a heater that is disposed inside the cylindrical member; a nip plate configured to be in contact with an inner peripheral surface of the cylindrical member and is configured to be heated by the heater; and a roller configured to pinch the cylindrical member between the roller and the nip plate, wherein, at least during fixing, the nip plate has a curved shape where a central portion thereof in an axial direction of the cylindrical member is more spaced from the roller than both end portions thereof in the axial direction, and wherein the roller is a concave roller where a diameter of a central portion thereof in the axial direction is smaller than diameters of both end portions thereof respectively.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: March 10, 2015
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Noboru Suzuki, Kei Ishida, Takuji Matsuno