Patents by Inventor Osamu Todo

Osamu Todo 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).

  • Crane and boom hoisting device thereof
    Patent number: 7565982
    Abstract: A boom hoisting device comprising a mast having a pivotable front end portion connected to a front end portion of a boom through a guy line, a mast-side spreader provided at the front end portion of the mast, a frame-side spreader removably mounted to an upper rotating body and with a hoisting rope being stretched between and spread on both mast-side spreader and frame-side spreader, and a hoisting winch adapted to unwind and wind the hoisting rope to raise and lower the mast and the boom, the hoisting winch being mounted to the mast so that the mast and the hoisting winch are together removed from the upper rotating body by separation of a base end portion of the mast from the upper rotating body.
    Type: Grant
    Filed: April 24, 2007
    Date of Patent: July 28, 2009
    Assignee: Kobelco Cranes Co., Ltd.
    Inventors: Hitoshi Kurotsu, Osamu Todo, Kazuyuki Miyazaki
  • CRANE AND BOOM HOISTING DEVICE THEREOF
    Publication number: 20070256999
    Abstract: A boom hoisting device comprising a mast having a pivotable front end portion connected to a front end portion of a boom through a guy line, a mast-side spreader provided at the front end portion of the mast, a frame-side spreader removably mounted to an upper rotating body and with a hoisting rope being stretched between and spread on both mast-side spreader and frame-side spreader, and a hoisting winch adapted to unwind and wind the hoisting rope to raise and lower the mast and the boom, the hoisting winch being mounted to the mast so that the mast and the hoisting winch are together removed from the upper rotating body by separation of a base end portion of the mast from the upper rotating body.
    Type: Application
    Filed: April 24, 2007
    Publication date: November 8, 2007
    Applicant: Kobelco Cranes Co., Ltd.
    Inventors: Hitoshi Kurotsu, Osamu Todo, Kazuyuki Miyazaki