Patents by Inventor Kazeto KUMAMOTO

Kazeto KUMAMOTO 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).

  • Work vehicle
    Patent number: 9909282
    Abstract: The hydraulic excavator comprises a revolving frame, a boom, a rotary encoder, and a link member. The revolving frame has a base plate and a first vertical plate and second vertical plate that are opposite each other and rise from the base plate. The boom is rotatably supported by the first vertical plate and the second vertical plate. The rotary encoder is provided at a position that is different from a position of the rotational axis of the boom, and senses the rotational angle of the boom according to the rotation of the boom. The link member transmits displacement of the boom to the rotary encoder.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: March 6, 2018
    Assignee: KOMATSU LTD.
    Inventors: Kazeto Kumamoto, Masato Kageyama
  • WORK VEHICLE
    Publication number: 20160362872
    Abstract: The hydraulic excavator comprises a revolving frame, a boom, a rotary encoder, and a link member. The revolving frame has a base plate and a first vertical plate and second vertical plate that are opposite each other and rise from the base plate. The boom is rotatably supported by the first vertical plate and the second vertical plate. The rotary encoder is provided at a position that is different from a position of the rotational axis of the boom, and senses the rotational angle of the boom according to the rotation of the boom. The link member transmits displacement of the boom to the rotary encoder.
    Type: Application
    Filed: January 29, 2015
    Publication date: December 15, 2016
    Inventors: Kazeto KUMAMOTO, Masato KAGEYAMA