Patents by Inventor Mituo Hirata

Mituo Hirata 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).

  • Method of and apparatus for supporting rope of crane having articulating structure
    Patent number: 4527698
    Abstract: A crane has an elevation structure foldable at its intermediate portion, a rope extended along the structure and a rope support for supporting the rope. When the structure is folded and elevated, the rope support is moved to and held at a position near the point of folding of the structure. After the completion of straightening of the structure, the rope support is held at a position adjacent to the extreme end of the structure. A rope supporting apparatus for realizing this method includes an arrangement for mounting the rope support for movement along the structure, and a shifting driving mechanism mounted on the rope support and adapted to drive the rope support along the length of the structure.
    Type: Grant
    Filed: May 11, 1983
    Date of Patent: July 9, 1985
    Assignee: Hitachi, Ltd.
    Inventors: Kouji Nishihata, Ichiro Nakazima, Mituo Hirata