Patents by Inventor Yoji HANAWA

Yoji HANAWA 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).

  • Upper turning body for crane
    Patent number: 10836614
    Abstract: An upper turning body mounted on a lower body for a crane includes a turning frame mounted on the lower body to turn freely, and a boom provided to the turning frame to be raised and lowered freely. The turning frame includes a pair of attachment brackets to which a base end section of the boom is attached such that the boom is free to be raised and lowered, and a frame body to which the pair of attachment brackets are provided with an interval in a left-right direction of the upper turning body. The frame body is formed of a plurality of divided frames arranged side by side in the left-right direction of the upper turning body, adjacent divided frames of the plurality of divided frames being separably joined to each other.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: November 17, 2020
    Assignees: KOBE STEEL, LTD., KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    Inventors: Yasuto Kataoka, Takunori Yamaguchi, Hiromitsu Hamaguchi, Yasuhiro Nakashima, Yoji Hanawa, Hiroki Nakayama
  • Upper turning body for crane
    Patent number: 10464789
    Abstract: An upper turning body mounted on a lower body for a crane includes a turning frame mounted on the lower body to turn freely and a boom provided to the turning frame to be raised and lowered freely. The turning frame includes a pair of attachment brackets to which a base end section of the boom is attached such that the boom is free to be raised and lowered, and a main frame to which the pair of attachment brackets are provided with an interval in the left-right direction of the upper turning body. The dimension of the main frame in the front-rear direction of the upper turning body orthogonal to the left-right direction is smaller than the dimension of the main frame in the left-right direction.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: November 5, 2019
    Assignees: KOBE STEEL, LTD., KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    Inventors: Yasuto Kataoka, Takunori Yamaguchi, Hiromitsu Hamaguchi, Yasuhiro Nakashima, Yoji Hanawa, Hiroki Nakayama
  • UPPER TURNING BODY FOR CRANE
    Publication number: 20190315605
    Abstract: An upper turning body mounted on a lower body for a crane includes a turning frame mounted on the lower body to turn freely, and a boom provided to the turning frame to be raised and lowered freely. The turning frame includes a pair of attachment brackets to which a base end section of the boom is attached such that the boom is free to be raised and lowered, and a frame body to which the pair of attachment brackets are provided with an interval in a left-right direction of the upper turning body. The frame body is formed of a plurality of divided frames arranged side by side in the left-right direction of the upper turning body, adjacent divided frames of the plurality of divided frames being separably joined to each other.
    Type: Application
    Filed: June 25, 2019
    Publication date: October 17, 2019
    Applicants: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.), KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    Inventors: Yasuto KATAOKA, Takunori YAMAGUCHI, Hiromitsu HAMAGUCHI, Yasuhiro NAKASHIMA, Yoji HANAWA, Hiroki NAKAYAMA
  • UPPER TURNING BODY FOR CRANE
    Publication number: 20160362282
    Abstract: An upper turning body mounted on a lower body for a crane includes a turning frame mounted on the lower body to turn freely and a boom provided to the turning frame to be raised and lowered freely. The turning frame includes a pair of attachment brackets to which a base end section of the boom is attached such that the boom is free to be raised and lowered, and a main frame to which the pair of attachment brackets are provided with an interval in the left-right direction of the upper turning body. The dimension of the main frame in the front-rear direction of the upper turning body orthogonal to the left-right direction is smaller than the dimension of the main frame in the left-right direction.
    Type: Application
    Filed: February 27, 2014
    Publication date: December 15, 2016
    Applicants: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.), KOBELCO CONSTRUCTION MACHINERY CO., LTD
    Inventors: Yasuto KATAOKA, Takunori YAMAGUCHI, Hiromitsu HAMAGUCHI, Yasuhiro NAKASHIMA, Yoji HANAWA, Hiroki NAKAYAMA