Patents by Inventor Shota ONISHI

Shota ONISHI 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: 10222728
    Abstract: A fixing device includes a heating body, a pressuring body, a lateral plate supporting the heating or pressuring body, a first supporting body supporting the heating or pressuring body, a second supporting body including a roller, a tensile spring between the first and second supporting bodies, an eccentric cam, a rotating shaft, a protrusion, a driving part, and a pressing member. The cam is supported between the first and second supporting bodies swingable in the lateral plate and has a depression gradually inclined from an upstream side to a downstream side in a rotation direction. The protrusion is protruded from the rotating shaft and meets the depression. The pressing member presses the cam opposite the protrusion. The cam rotates and meets the roller to shift the second supporting body and to extend and contract the spring, and changes a nip pressure from a first pressure to a lower second pressure.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: March 5, 2019
    Assignee: KYOCERA Document Solutions Inc.
    Inventors: Shota Onishi, Masuo Kawamoto
  • Patent number: 10126699
    Abstract: A photosensitive drum unit includes a photosensitive drum, a drum shaft, a resin frame, and a conducting member. The drum shaft is inserted through the photosensitive drum. The resin frame supports opposite ends of the drum shaft. The conducting member is a substantially coil-shaped spring member having a first end adjacent to the resin frame and a second end opposite to the first end. The conducting member is tapered from the first end toward the second end. The first end forms a first opening and the second end forms a second opening. A circle inscribed in the second opening has a diameter larger than an outer diameter of the drum shaft.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: November 13, 2018
    Assignee: KYOCERA Document Solutions Inc.
    Inventor: Shota Onishi
  • Publication number: 20180157199
    Abstract: A fixing device includes a heating body, a pressuring body, a lateral plate supporting the heating or pressuring body, a first supporting body supporting the heating or pressuring body, a second supporting body including a roller, a tensile spring between the first and second supporting bodies, an eccentric cam, a rotating shaft, a protrusion, a driving part, and a pressing member. The cam is supported between the first and second supporting bodies swingable in the lateral plate and has a depression gradually inclined from an upstream side to a downstream side in a rotation direction. The protrusion is protruded from the rotating shaft and meets the depression. The pressing member presses the cam opposite the protrusion. The cam rotates and meets the roller to shift the second supporting body and to extend and contract the spring, and changes a nip pressure from a first pressure to a lower second pressure.
    Type: Application
    Filed: December 4, 2017
    Publication date: June 7, 2018
    Applicant: KYOCERA Document Solutions Inc.
    Inventors: Shota Onishi, Masuo Kawamoto
  • Publication number: 20170364019
    Abstract: A photosensitive drum unit includes a photosensitive drum, a drum shaft, a resin frame, and a conducting member. The drum shaft is inserted through the photosensitive drum. The resin frame supports opposite ends of the drum shaft. The conducting member is a substantially coil-shaped spring member having a first end adjacent to the resin frame and a second end opposite to the first end. The conducting member is tapered from the first end toward the second end. The first end forms a first opening and the second end forms a second opening. A circle inscribed in the second opening has a diameter larger than an outer diameter of the drum shaft.
    Type: Application
    Filed: June 9, 2017
    Publication date: December 21, 2017
    Applicant: KYOCERA Document Solutions Inc.
    Inventor: Shota ONISHI
  • Patent number: 9760040
    Abstract: An image forming apparatus of the present disclosure includes an image carrier, an intermediate transfer unit, a secondary transfer roller, and a fixing unit. The intermediate transfer unit includes an intermediate transfer belt, and a driving and driven rollers that rotatably stretch the intermediate transfer belt, and the intermediate transfer unit is insertable/drawable with respect to an apparatus main body. The secondary transfer roller and the intermediate transfer belt constitute a nip portion. The fixing unit is disposed above the intermediate transfer unit, and fixes a toner image on a recording medium. The intermediate transfer unit includes an entry restriction member that restricts entry of a recording medium into a space between the intermediate transfer unit and the fixing unit.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: September 12, 2017
    Assignee: KYOCERA Document Solutions Inc.
    Inventor: Shota Onishi
  • Publication number: 20170090355
    Abstract: An image forming apparatus of the present disclosure includes an image carrier, an intermediate transfer unit, a secondary transfer roller, and a fixing unit. The intermediate transfer unit includes an intermediate transfer belt, and a driving and driven rollers that rotatably stretch the intermediate transfer belt, and the intermediate transfer unit is insertable/drawable with respect to an apparatus main body. The secondary transfer roller and the intermediate transfer belt constitute a nip portion. The fixing unit is disposed above the intermediate transfer unit, and fixes a toner image on a recording medium. The intermediate transfer unit includes an entry restriction member that restricts entry of a recording medium into a space between the intermediate transfer unit and the fixing unit.
    Type: Application
    Filed: September 26, 2016
    Publication date: March 30, 2017
    Applicant: KYOCERA Document Solutions Inc.
    Inventor: Shota ONISHI
  • Patent number: 9442439
    Abstract: A windbreak plate is assembled to a thermistor mounting member for mounting a thermistor to a housing, and the thermistor is covered by the windbreak plate from a paper entry path side. The thermistor mounting member has exposure parts which are exposed to the paper entry path from the windbreak plate. The exposure parts (a second plate part and a third plate part) are level with the windbreak plate and constitutes a part of the windbreak plate.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: September 13, 2016
    Assignee: KYOCERA DOCUMENT SOLUTIONS INC.
    Inventor: Shota Onishi
  • Patent number: 9400467
    Abstract: An image forming apparatus according to one aspect of the present disclosure is an image forming apparatus of which the apparatus main body is provided with an IC card reader that reads data input to a noncontact IC card. The IC card reader is installed at an angle enabling a detection surface to face downward relative to the apparatus main body.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: July 26, 2016
    Assignee: KYOCERA Document Solutions Inc.
    Inventors: Shota Onishi, Masami Fuchi
  • Publication number: 20160187821
    Abstract: A windbreak plate is assembled to a thermistor mounting member for mounting a thermistor to a housing, and the thermistor is covered by the windbreak plate from a paper entry path side. The thermistor mounting member has exposure parts which are exposed to the paper entry path from the windbreak plate. The exposure parts (a second plate part and a third plate part) are level with the windbreak plate and constitutes a part of the windbreak plate.
    Type: Application
    Filed: December 9, 2015
    Publication date: June 30, 2016
    Inventor: Shota ONISHI
  • Publication number: 20160116876
    Abstract: In a state in which a swing lever has been driven to a first swing position by a driving mechanism, a compression coil spring has a natural length and a tension coil spring has a first predetermined length longer than a natural length, so that press-contact force between both the rollers becomes first press-contact force. On the other hand, in a state in which the swing lever has been driven to a second swing position by the driving mechanism, the compression coil spring has a second predetermined length shorter than the natural length and the tension coil spring has the natural length, so that the press-contact force between both the rollers becomes second press-contact force.
    Type: Application
    Filed: October 22, 2015
    Publication date: April 28, 2016
    Inventor: Shota ONISHI
  • Patent number: 9310736
    Abstract: In a state in which a swing lever has been driven to a first swing position by a driving mechanism, a compression coil spring has a natural length and a tension coil spring has a first predetermined length longer than a natural length, so that press-contact force between both the rollers becomes first press-contact force. On the other hand, in a state in which the swing lever has been driven to a second swing position by the driving mechanism, the compression coil spring has a second predetermined length shorter than the natural length and the tension coil spring has the natural length, so that the press-contact force between both the rollers becomes second press-contact force.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: April 12, 2016
    Assignee: KYOCERA DOCUMENT SOLUTIONS INC.
    Inventor: Shota Onishi
  • Publication number: 20150115524
    Abstract: A sheet discharge device includes a sheet discharge roller, a driven roller and a restraint member. A sheet is discharged in a specified discharge direction while passing through a nip portion between the sheet discharge roller and the driven roller. The restraint member is disposed adjacent to the driven roller in a sheet width direction orthogonal to the discharge direction. The restraint member makes contact with a sheet surface of the sheet. When the sheet passes through the nip portion, if the pressing force received from the sheet is equal to or larger than a predetermined value, the restraint member is slid in the sheet width direction by the pressing force.
    Type: Application
    Filed: October 17, 2014
    Publication date: April 30, 2015
    Inventor: Shota ONISHI
  • Publication number: 20140239064
    Abstract: An image forming apparatus according to one aspect of the present disclosure is an image forming apparatus of which the apparatus main body is provided with an IC card reader that reads data input to a noncontact IC card. The IC card reader is installed at an angle enabling a detection surface to face downward relative to the apparatus main body.
    Type: Application
    Filed: February 25, 2014
    Publication date: August 28, 2014
    Applicant: KYOCERA Document Solutions Inc.
    Inventors: Shota Onishi, Masami Fuchi
  • Publication number: 20130266357
    Abstract: A job separator includes a conveyance port communicating with a paper conveyance path in a main body of an image forming apparatus, an exit port open toward a second exit tray, and a reversing port configured to switch back paper in forming images on both surfaces of the paper. A branch guide, which is configured to switch a paper conveyance direction between toward the exit port and toward the reversing port, is arranged upstream of the exit port and the reversing port in a paper ejection direction.
    Type: Application
    Filed: April 5, 2013
    Publication date: October 10, 2013
    Applicant: KYOCERA DOCUMENT SOLUTIONS INC.
    Inventors: Keisuke EGAWA, Terumitsu NOSO, Shota ONISHI