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).

  • Publication number: 20110293308
    Abstract: A fixing device includes a heat roller and an opposing component. The heat roller extends in an axial direction and includes a cylindrical-shaped roller section and a coil. The heat roller section has an inner circumferential surface and an outer circumferential surface. The coil is spirally wound along the inner circumferential surface and including a first portion and a second portion other than the first portion, the first portion being configured of such a number of turns of the coil, the number being a natural number greater than zero, the first portion having a first coil pitch length in the axial direction, and the second portion being configured of at least one turn of the coil and having a second coil pitch length in the axial direction greater than the first coil pitch length. The opposing component confronts the outer circumferential surface of the roller section and is exclusively superposed with an entire first portion via the roller section.
    Type: Application
    Filed: March 28, 2011
    Publication date: December 1, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Kaoru SUZUKI, Noboru SUZUKI
  • Publication number: 20110293341
    Abstract: A fixing device includes a heat roller and a heater. The heat roller extends in an axial direction and includes a cylindrical-shaped roller section and a coil, the roller section having an inner peripheral surface defining an internal space therewithin and the coil being wound along the inner peripheral surface, the heat roller being configured of a plurality of zones in the axial direction, the plurality of zones including a low zone whose heat capacity is less than a predetermined value and a high zone whose heat capacity is not less than the predetermined value. The heater is disposed within the internal space of the roller section and has a heating wire configured to generate heat, the heating wire having at least a first portion which is in confrontation with the high zone and a second portion which is in confrontation with the low zone, and the heating wire being configured such that the first portion has an amount of heat generation greater than an amount of heat generation at the second portion.
    Type: Application
    Filed: March 21, 2011
    Publication date: December 1, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Noboru SUZUKI
  • Publication number: 20110236055
    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 the 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: January 28, 2011
    Publication date: September 29, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hirotaka MORI, Hiroshi NAKANO, Noboru SUZUKI, Shougo SATO
  • Publication number: 20110236054
    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 21, 2011
    Publication date: September 29, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hirotaka MORI, Hiroshi NAKANO, Noboru SUZUKI, Shougo SATO
  • Publication number: 20110211881
    Abstract: There is provided a fixing device for thermally fixing a developing agent image to a sheet. The fixing device includes a tubular flexible member, a nip member, a backup member and a restricting member. The tubular flexible member has an inner peripheral surface defining an internal space and an outer peripheral surface opposite to the inner peripheral surface, the tubular flexible member defining an axis extending in an axial direction. The nip member is disposed within the internal space. The backup member is configured to provide a nip region in cooperation with the nip member for nipping the tubular flexible member between the backup member and the nip member.
    Type: Application
    Filed: February 22, 2011
    Publication date: September 1, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Noboru SUZUKI, Kei ISHIDA, Yasushi FUJIWARA, Tsuneo FUJIWARA, Estuko Fujiwara, Yoshihiro MIYAUCHI, Tomohiro KONDO
  • Publication number: 20110211882
    Abstract: There is provided a fixing device for thermally fixing a developing agent image to a sheet. The fixing device includes a tubular flexible member, a nip member, a backup member and a restricting member. The tubular flexible member has an inner peripheral surface defining an internal space and an outer peripheral surface opposite to the inner peripheral surface, the tubular flexible member defining an axis extending in an axial direction. The nip member is disposed within the internal space. The backup member is configured to provide a nip region in cooperation with the nip member for nipping the tubular flexible member between the backup member and the nip member.
    Type: Application
    Filed: February 22, 2011
    Publication date: September 1, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Noboru SUZUKI, Kei ISHIDA, Yasushi FUJIWARA, Tsuneo FUJIWARA, Etsuko FUJIWARA, Yoshihiro MIYAUCHI, Tomohiro KONDO
  • Publication number: 20110206409
    Abstract: An image forming device includes: a heater; a nip member; a stay; a tubular flexible fusing member; a pair of frame members; a backup member; and a ventilator. The heater is configured to radiate radiant heat. The nip member is configured to receive the radiant heat from the heater. The stay has an inner surface confronting the heater and an outer surface in opposition to the inner surface. The stay is configured to cover the heater and to support the nip member. The tubular flexible fusing member has end portions in an axial direction and an inner peripheral surface. The fusing member is configured to surround the heater, the nip member and the stay. The pair of frame members is disposed at the end portions. One of the frame members is formed with an inlet opening. Remaining one of the frame members is formed with an outlet opening. The inlet opening and the outlet opening are in fluid communication with a space defined between the inner peripheral surface and the outer surface.
    Type: Application
    Filed: February 21, 2011
    Publication date: August 25, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Tomohiro KONDO, Kei ISHIDA, Noboru SUZUKI, Yoshihiro MIYAUCHI, Yasushi FUJIWARA, Tsuneo FUJIWARA, Etsuko Fujiwara
  • Publication number: 20110206406
    Abstract: There is provided a fixing device for thermally fixing a developing agent image to a sheet. The fixing device includes a tubular flexible member, a heater, a nip member and a backup member. The tubular flexible member has an inner peripheral surface defining an internal space. The heater is disposed within the internal space and is configured to generate a radiant heat. The nip member is disposed within the internal space and is configured to receive the radiant heat from the heater, the inner peripheral surface being in sliding contact with the nip member, and the nip member being electrically conductive and the tubular flexible member being grounded via the nip member. The backup member is configured to provide a nip region in cooperation with the nip member for nipping the tubular flexible member between the backup member and the nip member.
    Type: Application
    Filed: February 21, 2011
    Publication date: August 25, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Noboru SUZUKI, Kei ISHIDA, Yasushi FUJIWARA, Tsuneo FUJIWARA, Yasushi FUJIWARA, Etsuko FUJIWARA, Yoshihiro Miyauchi, Tomohiro KONDO
  • Publication number: 20110188909
    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 heater; a nip member; a resiliently deformable backup member; and an adjustment mechanism. The tubular flexible fusing member has an inner peripheral surface defining an internal space. The heater is disposed in the internal space and configured to radiate radiant heat. The nip member is disposed in the internal space and configured to receive the radiant heat from the heater. The inner peripheral surface is in sliding contact with the nip member. The resiliently deformable backup member is configured to provide a nip region in cooperation with the fusing member upon nipping the fusing member between the backup member and the nip member. The adjustment mechanism is configured to move the nip member between a first position and a second position different from the first position in the sheet feeding direction to adjust the sheet feeding direction.
    Type: Application
    Filed: January 27, 2011
    Publication date: August 4, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Noboru SUZUKI, Kenji TAKEUCHI
  • Publication number: 20110170920
    Abstract: A fixing device includes a tubular fusing film, a heater, a nip member, a backup member, a backup member, first supporting member, and a second supporting member. The heater may be disposed inside the tubular shape of the fusing film. The nip member may be disposed so as to be in sliding contact with the inner surface of the fusing film and heated by the heater. The backup member may form a nip portion between the backup member and the fusing film with the fusing film between the backup member and the nip member. The first supporting member may be configured to integrally support the heater and the nip member. The second supporting member may be configured to movably support the first supporting member so that the nip member moves relative to the backup member.
    Type: Application
    Filed: December 28, 2010
    Publication date: July 14, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Yasushi FUJIWARA, Noboru SUZUKI, Kei ISHIDA, Yoshihiro MIYAUCHI, Tomohiro KONDO, Tsuneo Fujiwara, Etsuko Fujiwara
  • Publication number: 20110170919
    Abstract: A fixing device includes a tubular fusing film, a heater, a nip member, a backup member, a first supporting member, and a second supporting member. The heater may be disposed inside the tubular shape of the fusing film. The nip member may be disposed so as to be in sliding contact with the inner surface of the fusing film and heated by the heater. The backup member may form a nip portion between the backup member and the fusing film with the fusing film between the backup member and the nip member. The first supporting member may be configured to support the nip member. The second supporting member may be configured to support the heater and movably support the first supporting member so that the nip member moves relative to the backup member and the heater.
    Type: Application
    Filed: December 28, 2010
    Publication date: July 14, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Yasushi FUJIWARA, Noboru SUZUKI, Kei ISHIDA, Yoshihiro MIYAUCHI, Tomohiro KONDO, Tsuneo Fujiwara, Etsuko Fujiwara
  • Publication number: 20110164905
    Abstract: A fixing device includes a heating element disposed inside a flexible fusing member, a nip member disposed to contact with a surface of the flexible fusing member and to allow the flexible fusing member to slide along the nip member, a reflecting plate for reflecting radiant heat from the heating element toward the nip member, and a backup member for nipping the flexible fusing member with the nip member. The reflecting plate includes a central reflecting portion extending along a longitudinal direction of the heating element at least in a region corresponding to along a heat generating portion of the heating element, and end reflecting portions stationarily provided on both ends of the central reflecting portion. The end reflecting portions are disposed in positions longitudinally outward of the heat generating portion and each has a reflecting surface tilted with respect to the longitudinal direction of the heating element.
    Type: Application
    Filed: October 29, 2010
    Publication date: July 7, 2011
    Applicant: Brother Kogyo Kabushiki Kaisha
    Inventors: Tomohiro KONDO, Yasushi FUJIWARA, Kei ISHIDA, Noboru SUZUKI, Takuji MATSUNO, Tsuneo Fujiwara, Etsuko Fujiwara
  • Publication number: 20110164906
    Abstract: A fixing device for thermally fixing a developing agent image to a sheet fed in a sheet feeding direction includes: a tubular flexible member; a nip member; a heater; a reflection member; a backup member; and a temperature sensor. The tubular flexible member has an inner peripheral surface defining an internal space. The nip member is disposed in the internal space and has one surface and opposite surface. The inner peripheral surface is in contact with the one surface. The heater is disposed in the internal space and confronts the nip member in a confronting direction. The reflection member is configured to reflect a radiant heat from the heater toward the nip member. The backup member is configured to provide a nip region in cooperation with the nip member for nipping the tubular flexible member between the backup member and the nip member. The temperature sensor is disposed in the internal space and is configured to detect a temperature of the nip member.
    Type: Application
    Filed: November 30, 2010
    Publication date: July 7, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Kei ISHIDA, Yasushi FUJIWARA, Noboru SUZUKI, Yoshihiro MIYAUCHI, Tomohiro KONDO, Tsuneo Fujiwara, Etsuko Fujiwara
  • Publication number: 20110158715
    Abstract: A fixing device for thermally fixing a developing agent image to a sheet 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 heater includes a glass tube, a heat source provided in the glass tube, and a gas sealed in the glass tube. The glass tube includes a glass tube body and a tip portion protruding radially outwardly from the glass tube body for sealing the gas in the glass tube body.
    Type: Application
    Filed: October 29, 2010
    Publication date: June 30, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Noboru SUZUKI, Yasushi FUJIWARA, Tsuneo FUJIWARA, Etsuko FUJIWARA, Kei ISHIDA, Yoshihiro MIYAUCHI, Tomohiro KONDO
  • Publication number: 20110158718
    Abstract: A fixing device for thermally fixing a developer image transferred onto a recording sheet, includes: a flexible fusing member which is flexibly deformable; a heating element; a nip member disposed in such a manner as to contact with a surface of the flexible fusing member and to allow the flexible fusing member to slide along the nip member; a reflecting plate configured to reflect radiant heat from the heating element in a direction toward the nip member; a backup member configured to nip the flexible fusing member with the nip member to thereby form a nip portion for the recording sheet between the flexible fusing member and the backup member; and a stay configured to support both end portions of the nip member. The reflecting plate has at least one flange portion, and the flange portion is held and supported between the nip member and the stay.
    Type: Application
    Filed: October 29, 2010
    Publication date: June 30, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Yasushi FUJIWARA, Tsuneo Fujiwara, Etsuko Fujiwara, Kei ISHIDA, Noboru SUZUKI, Takuji MATSUNO, Tomohiro KONDO, Yoshihiro MIYAUCHI
  • Publication number: 20110158719
    Abstract: There is provided a fixing device for thermally fixing a developing agent image to a sheet. The fixing device includes a tubular flexible member, a heater, a nip member, a reflection plate, a backup member, a stay and a temperature sensor. The flexible member has an inner peripheral surface defining an internal space. The heater is disposed in the internal space and is configured to generate a radiant heat. The nip member is disposed in the internal space, the inner peripheral surface being in sliding contact with the nip member. The reflection plate is configured to reflect the radiant heat from the heater toward the nip member, the reflection plate having an outer profile. The backup member is configured to provide a nip region in cooperation with the nip member for nipping the flexible member between the backup member and the nip member.
    Type: Application
    Filed: November 30, 2010
    Publication date: June 30, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Yoshihiro MIYAUCHI, Yasushi FUJIWARA, Tsuneo FUJIWARA, Etsuko FUJIWARA, Noboru SUZUKI, Kei ISHIDA, Tomohiro KONDO
  • Publication number: 20110158717
    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 heater includes a glass tube, a heat source provided in the glass tube, and a gas sealed in the glass tube. The glass tube includes a glass tube body and a tip portion protruding radially outwardly from the glass tube body for sealing the gas in the glass tube body.
    Type: Application
    Filed: October 29, 2010
    Publication date: June 30, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Noboru SUZUKI, Yasushi FUJIWARA, Kei ISHIDA, Yoshihiro MIYAUCHI, Tomohiro KONDO, Tsuneo Fujiwara, Etsuko Fujiwara
  • Publication number: 20110158716
    Abstract: In a fixing device for thermally fixing a developer image transferred onto a recording sheet, a nip plate is disposed on an inner surface of a tubular flexible fusing member which is flexibly deformable in such a manner that permits the fusing member to slide along the nip plate, and configured to be heated by a heating element disposed inside the fusing member. The fusing member is nipped between the nip plate and a backup member to form a nip portion between the fusing member and the backup member. The nip plate is bent to form a recessed portion which opens on the inner surface of the fusing member and holds a lubricant.
    Type: Application
    Filed: October 29, 2010
    Publication date: June 30, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Yasushi FUJIWARA, Kei Ishida, Noboru SUZUKI, Yoshihiro MIYAUCHI, Tomohiro KONDO, Tsuneo Fujiwara, Etsuko Fujiwara
  • Publication number: 20110150544
    Abstract: There is provided a fixing device for thermally fixing a developing agent image to a sheet. The fixing device includes: a tubular flexible member having an inner peripheral surface defining an internal space; a nip member disposed in the internal space and having one surface, the inner peripheral surface being in sliding contact with the one surface; a heater disposed in the internal space: a reflection plate configured to reflect a radiant heat from the heater toward the nip member; a backup member providing a nip region in cooperation with the nip member for nipping the flexible member between the backup member and the nip member; and a temperature sensor disposed in the internal space to detect a temperature of the reflection plate.
    Type: Application
    Filed: November 30, 2010
    Publication date: June 23, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Kei ISHIDA, Yasushi FUJIWARA, Noboru SUZUKI, Yoshihiro MIYAUCHI, Tomohiro KONDO, Tsuneo FUJIWARA, Etsuko FUJIWARA
  • Publication number: 20110150543
    Abstract: In a fixing device, a nip plate is disposed on an inner surface of a tubular flexible fusing member which is flexibly deformable, and configured to be heated by a heating element disposed inside the fusing member. The fusing member is nipped between the nip plate and a backup member to form a nip portion. First and second portions of the nip plate which are located in positions upstream and downstream, respectively, with respect to a recording sheet conveyance direction and to be supported by a stay are each configured to be a flat plate extending along the recording sheet conveyance direction. A central portion between the first and second portions of the nip plate is in a position shifted from those of the first and second portions in a direction perpendicular to flat surfaces of the first and second portions.
    Type: Application
    Filed: October 29, 2010
    Publication date: June 23, 2011
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Yasushi FUJIWARA, Kei ISHIDA, Noboru SUZUKI, Yoshihiro MIYAUCHI, Tomohiro KONDO, Tsuneo Fujiwara, Etsuko Fujiwara