Patents by Inventor Yoshimasa Sugiura

Yoshimasa Sugiura 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).

  • Installation device for counterweight
    Patent number: 7658293
    Abstract: A counterweight installation device includes: a weight support unit provided on a rear end of a body frame of a construction machine; a weight mounting unit disposed on a counterweight; a pin member for mounting the counterweight adapted to move between a first position at which the weight mounting unit is mounted on the weight support unit and a second position at which the weight mounting unit is dismounted from the weight support unit; and a rod device, one end of which is linked with the pin member and an other end of which extends so as to project to an outside of the counterweight, adapted to move the pin member between the first position and the second position by operation at the other end thereof.
    Type: Grant
    Filed: April 3, 2008
    Date of Patent: February 9, 2010
    Assignee: Hitachi Sumitomo Heavy Industries Construction Crane Co., Ltd.
    Inventors: Kazunori Yamamoto, Koji Yamagata, Yoshimasa Sugiura
  • Installation Device for Counterweight
    Publication number: 20080253875
    Abstract: A counterweight installation device includes: a weight support unit provided on a rear end of a body frame of a construction machine; a weight mounting unit disposed on a counterweight; a pin member for mounting the counterweight adapted to move between a first position at which the weight mounting unit is mounted on the weight support unit and a second position at which the weight mounting unit is dismounted from the weight support unit; and a rod device, one end of which is linked with the pin member and an other end of which extends so as to project to an outside of the counterweight, adapted to move the pin member between the first position and the second position by operation at the other end thereof.
    Type: Application
    Filed: April 3, 2008
    Publication date: October 16, 2008
    Applicant: Hitachi Sumitomo Heavy Industries Construction Crane Co., Ltd.
    Inventors: Kazunori Yamamoto, Koji Yamagata, Yoshimasa Sugiura