Patents by Inventor Tetsuji MATSUSHITA

Tetsuji MATSUSHITA 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: 11286841
    Abstract: A prime mover includes an engine, a fan to generate a cooling airflow around the engine, an air-intake tube to supply outside air to the engine, a connection tube to supply, to the air-intake tube, a blow-by gas generated in the engine, and a wind shielding member to shield the connection tube from the cooling airflow, the wind shielding member being arranged around the connection tube.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: March 29, 2022
    Assignee: KUBOTA CORPORATION
    Inventors: Yuki Takano, Makoto Noguchi, Tetsuji Matsushita
  • Publication number: 20220018089
    Abstract: A working machine includes a machine body, a traveling device travelably supporting the machine body, a hydraulic driving device to hydraulically drive the traveling device, a floor frame supported on the machine body via a mounting member, a pedal operable to brake the traveling device, the inching valve to change a flow rate of hydraulic fluid supplied to the hydraulic driving device according to operation of the pedal, and a cable operably connecting the pedal to the inching valve. The pedal and the inching valve are attached to the floor frame.
    Type: Application
    Filed: September 28, 2021
    Publication date: January 20, 2022
    Applicant: KUBOTA CORPORATION
    Inventors: Yuki TAKANO, Tsutomu AIZAWA, Tetsuji MATSUSHITA
  • Publication number: 20220018087
    Abstract: A working machine includes a rear machine body on which an operator's seat is mounted, a front machine body to which a working tool is attached, a center shaft having a first axis extending in a fore-and-aft direction, a first supporting part supporting the center shaft rotatably relative to the rear machine body around the first axis, a coupling shaft having a second axis extending in a vertical direction and connected to the front machine body, and a second supporting part supporting the center shaft rotatably relative to the coupling shaft relative to the second axis. The first supporting part includes a first spherical plain bearing, and the first spherical plain bearing includes a first inner wheel including a convex curved sliding surface and provided on an outer circumferential surface of the center shaft, and a first outer wheel including a concave curved sliding surface and provided on the rear machine body.
    Type: Application
    Filed: September 28, 2021
    Publication date: January 20, 2022
    Applicant: KUBOTA CORPORATION
    Inventors: Teruhiko IWAMOTO, Kunihiro SUZUKI, Hitoshi ONO, Yukiya CHIBA, Tetsuji MATSUSHITA
  • Publication number: 20190316513
    Abstract: A prime mover includes an engine, a fan to generate a cooling airflow around the engine, an air-intake tube to supply outside air to the engine, a connection tube to supply, to the air-intake tube, a blow-by gas generated in the engine, and a wind shielding member to shield the connection tube from the cooling airflow, the wind shielding member being arranged around the connection tube.
    Type: Application
    Filed: April 11, 2019
    Publication date: October 17, 2019
    Applicant: KUBOTA CORPORATION
    Inventors: Yuki TAKANO, Makoto NOGUCHI, Tetsuji MATSUSHITA
  • Patent number: D904467
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: December 8, 2020
    Assignee: Kubota Corporation
    Inventors: Teruhiko Iwamoto, Taiki Furuki, Toshihiro Nakao, Tetsuji Matsushita