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: 8620182
    Abstract: An image forming device has a housing, a cover, a frame, a heating member, a transfer roller, a first shaft, and a shielding assembly. The housing has an opening. The cover opens and closes the opening. The frame is provided in the housing. The heating member is supported to the frame and heating a recording sheet. The transfer roller is rotatably positioned between the heating member and the opening in the frame. The transfer roller conveys the recording sheet in a sheet conveying direction and is positioned downstream of the heating member in the sheet conveying direction. The first shaft is rotatable about a first axis extending in a first direction perpendicular to the sheet conveying direction. The first shaft supports the transfer roller and facing the frame through a gap through which the sheet passes. The heating member is exposed to the opening through the gap.
    Type: Grant
    Filed: January 14, 2010
    Date of Patent: December 31, 2013
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Noboru Suzuki
  • Patent number: 8611802
    Abstract: A fixing device for fixing a developing agent image to a sheet 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 having the nip member disposed therein and an outer peripheral surface opposite the inner peripheral surface, the tubular flexible member defining an axis extending in an axial direction. 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 restricting member is configured to restrict the tubular flexible member from moving in the axial direction, the restricting member having a base section, and inner and outer guides protruding inward from the base section in the axial direction for guiding the inner peripheral surface and the outer peripheral surface, respectively.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: December 17, 2013
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Noboru Suzuki, Kei Ishida, Yoshihiro Miyauchi, Tomohiro Kondo, Tsuneo Fujiwara, Etsuko Fujiwara
  • Publication number: 20130322937
    Abstract: A fixing device includes: a flexible tubular member defining an axis extending in an axial direction; a first fixing member; a second fixing member configured to nip the tubular member in cooperation with the first fixing member; and a pair of restricting members disposed to interpose the tubular member therebetween in the axial direction. The tubular member has end faces in the axial direction and a circumference defining a circumferential direction. Each restricting member has a restricting surface abuttable with each end face of the tubular member to restrict the tubular member from moving in the axial direction, each restricting surface having a specific area continuously applied with a lubricant upon completion of assembly of the fixing device, the specific area having an arcuate shape extending in the circumferential direction and having a width at least equal to a thickness of the tubular member in the radial direction.
    Type: Application
    Filed: January 8, 2013
    Publication date: December 5, 2013
    Inventors: Noboru Suzuki, Kei Ishida, Takuji Matsuno
  • Publication number: 20130322938
    Abstract: A fixing device includes: a flexible tubular member defining an internal space and extending in an axial direction; a first fixing member disposed at 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 equal to or larger than 3 ?m, and the second area has a 10-point average roughness of equal to or smaller than 3 ?m.
    Type: Application
    Filed: January 10, 2013
    Publication date: December 5, 2013
    Inventors: Noboru Suzuki, Kei Ishida, Takuji Matsuno, Seiji Hiramatsu
  • Publication number: 20130302065
    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: July 19, 2013
    Publication date: November 14, 2013
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hirotaka Mori, Hiroshi Nakano, Noboru Suzuki, Shougo Sato
  • Patent number: 8559862
    Abstract: An image forming device includes: a heater; a nip member; a stay; fusing member; a pair of frame members; a backup member; and a ventilator. The nip member receives radiant heat from the heater. The stay has an inner surface confronting the heater and an outer surface opposing the inner surface. The fusing member surrounds the heater, the nip member and the stay. The pair of frame members is disposed at end portions of the fusing member. One frame members is formed with an inlet opening. The remaining frame member is formed with an outlet opening. The inlet and outlet openings are in fluid communication with a space between an inner peripheral surface of the fusing member and the outer surface. The backup member provides a nip region upon nipping the fusing member between the backup and nip members. The ventilator allows air to flow in the space.
    Type: Grant
    Filed: February 21, 2011
    Date of Patent: October 15, 2013
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Tomohiro Kondo, Kei Ishida, Noboru Suzuki, Yoshihiro Miyauchi, Tsuneo Fujiwara, Etsuko Fujiwara
  • Patent number: 8532552
    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: Grant
    Filed: October 29, 2010
    Date of Patent: September 10, 2013
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Kei Ishida, Noboru Suzuki, Takuji Matsuno, Tomohiro Kondo, Tsuneo Fujiwara, Etsuko Fujiwara
  • Publication number: 20130216285
    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: April 1, 2013
    Publication date: August 22, 2013
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Yoshihiro MIYAUCHI, Yasushi FUJIWARA, Takuji MATSUNO, Kei ISHIDA, Noboru SUZUKI, Tomohiro KONDO
  • Patent number: 8515325
    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: Grant
    Filed: November 30, 2010
    Date of Patent: August 20, 2013
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Yoshihiro Miyauchi, Noboru Suzuki, Kei Ishida, Tomohiro Kondo, Tsuneo Fujiwara, Etsuko Fujiwara
  • Publication number: 20130209149
    Abstract: A fixing roller that may include: a rotary shaft; an elastic layer that is provided at the circumference of the rotary shaft, and a surface layer that covers the circumference of the elastic layer and includes creases, wherein the creases are provided at both axial end portions of the surface layer, and a portion of the surface layer between the axial end portions thereof is smoother than the axial end portions.
    Type: Application
    Filed: February 15, 2013
    Publication date: August 15, 2013
    Applicant: Brother Kogyo Kabushiki Kaisha
    Inventors: Noboru Suzuki, Kei Ishida, Takuji Matsuno
  • Patent number: 8509648
    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: January 28, 2011
    Date of Patent: August 13, 2013
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Hirotaka Mori, Hiroshi Nakano, Noboru Suzuki, Shougo Sato
  • Publication number: 20130195527
    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: Application
    Filed: January 31, 2013
    Publication date: August 1, 2013
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Noboru Suzuki, Kei Ishida, Takuji Matsuno
  • Patent number: 8494424
    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: Grant
    Filed: November 30, 2010
    Date of Patent: July 23, 2013
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Kei Ishida, Noboru Suzuki, Yoshihiro Miyauchi, Tomohiro Kondo, Tsuneo Fujiwara, Etsuko Fujiwara
  • Patent number: 8489007
    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: Grant
    Filed: October 29, 2010
    Date of Patent: July 16, 2013
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Etsuko Fujiwara, Kei Ishida, Noboru Suzuki, Yoshihiro Miyauchi, Tomohiro Kondo, Tsuneo Fujiwara
  • Patent number: 8472835
    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: Grant
    Filed: February 21, 2011
    Date of Patent: June 25, 2013
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Noboru Suzuki, Kei Ishida, Yoshihiro Miyauchi, Tomohiro Kondo, Tsuneo Fujiwara, Etsuko Fujiwara
  • Publication number: 20130149005
    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: February 7, 2013
    Publication date: June 13, 2013
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hirotaka Mori, Hiroshi Nakano, Noboru Suzuki, Shougo Sato
  • Publication number: 20130136511
    Abstract: A fuser unit includes: a cylindrical member; a heat generation member; a nip plate; a backup member that forms a nip portion; a temperature detection member that detects a temperature of the nip plate, wherein the nip plate has: a plate-shaped part that forms the nip portion; a lubricant restraint part that is formed on at least a part of a downstream side end of the plate-shaped part in a predetermined direction and that extends toward an inner side in a diametrical direction of the cylindrical member, and a detected part that extends from an end of the lubricant restraint part toward the predetermined direction, and wherein the detected part is formed to be shorter than the plate-shaped part in an axial direction of the cylindrical member, and both ends of the detected part in the axial direction are adjacent to a space.
    Type: Application
    Filed: September 24, 2012
    Publication date: May 30, 2013
    Inventors: Noboru Suzuki, Kei Ishida, Takuji Matsuno, Kaoru Suzuki, Kotaro Haruta
  • Publication number: 20130136514
    Abstract: A fuser unit, which heat-fixes a developer image transferred on a recording sheet, the fuser unit includes: a cylindrical member having flexibility; a heat generation member that is arranged at an inside of the cylindrical member and generates radiation heat; a nip member that slidingly contacts an inner periphery of the cylindrical member; a first reflection member that extends along the heat generation member to corresponds with at least a range of a heat generation part of the heat generation member; a second reflection member that is arranged, at an outside of the heat generation member, to at least one of end sides of the first reflection member in the longitudinal direction, and a backup member that forms a nip region by nipping the cylindrical member between the nip member and the backup member, wherein the second reflection member is separated from the first reflection member.
    Type: Application
    Filed: September 24, 2012
    Publication date: May 30, 2013
    Inventors: Noboru Suzuki, Kei Ishida, Takuji Matsuno, Hisashi Tsukawaki, Seiji Hiramatsu
  • Publication number: 20130136512
    Abstract: A fuser unit, which heat-fixes a developer image on a recording sheet, the fuser unit comprising: a cylindrical member having flexibility; a heat generation member; a nip member; a stay; a first frame; a second frame, and a wiring, wherein the first frame is provided with a pair of openings through which both axial end sides of the stay are exposed, wherein the second frame is configured to cover a central portion of the wiring, which is positioned at an inward side more than the pair of openings in the axial direction, wherein both axial sides of the second frame are provided with pressing protrusions that directly press the stay through the openings, and wherein both axial sides of the second frame are provided with third frames that cover a part of the wiring arranged at both axial end sides of the first frame.
    Type: Application
    Filed: September 24, 2012
    Publication date: May 30, 2013
    Inventors: Noboru Suzuki, Kei Ishida, Takuji Matsuno, Tomohiro Kondo, Hisashi Tsukawaki, Seiji Hiramatsu
  • Publication number: 20130136513
    Abstract: A fuser unit, which heat-fixes a developer image transferred on a recording sheet while moving the recording sheet in a predetermined direction, the fuser unit comprising: a cylindrical member having flexibility; a heat generation member that is arranged at an inside of the cylindrical member and generates radiation heat; a nip member that slidingly contacts an inner periphery of the cylindrical member; a reflection plate that contacts the nip member, is configured to cover the heat generation member and reflects the radiation heat toward the nip member, and a backup member that forms a nip region by nipping the cylindrical member between the nip member and the backup member, wherein the nip member and the reflection plate intermittently contact each other in an axial direction of the cylindrical member within an image forming width.
    Type: Application
    Filed: September 24, 2012
    Publication date: May 30, 2013
    Inventors: Noboru Suzuki, Kei Ishida, Takuji Matsuno, Kaoru Suzuki