Patents by Inventor Yasuhiro Kurumisawa

Yasuhiro Kurumisawa 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).

  • Patent number: 7806214
    Abstract: Mounted on a revolving frame are onboard equipments including engine and heat exchanger. These onboard equipments are accommodated in a housing cover consisted by including a front partition panel. The front partition panel is fixed to a seat screw member which is provided on the revolving frame. At this time, lower end portion of the front partition panel is hung in a floated state above the revolving frame by a stopper which is adapted rest on an upper end portion of the seat screw member. Therefore, lower end portion of the front partition panel is hung in a floated state above a upper surface of a left side frame, facilitating to align a bolt through hole in the front partition panel with a nut of the seat screw member at the time of threading and tightening a bolt into the nut.
    Type: Grant
    Filed: October 13, 2006
    Date of Patent: October 5, 2010
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Hiroshi Tsukui, Tomonori Mamada, Hiroshi Kumagai, Yasuhiro Kurumisawa
  • Publication number: 20090101375
    Abstract: Mounted on a revolving frame are onboard equipments including engine and heat exchanger. These onboard equipments are accommodated in a housing cover consisted by including a front partition panel. The front partition panel is fixed to a seat screw member which is provided on the revolving frame. At this time, lower end portion of the front partition panel is hung in a floated state above the revolving frame by a stopper which is adapted rest on an upper end portion of the seat screw member. Therefore, lower end portion of the front partition panel is hung in a floated state above a upper surface of a left side frame, facilitating to align a bolt through hole in the front partition panel with a nut of the seat screw member at the time of threading and tightening a bolt into the nut.
    Type: Application
    Filed: October 13, 2006
    Publication date: April 23, 2009
    Inventors: Hiroshi Tsukui, Tomonori Mamada, Hiroshi Kumagai, Yasuhiro Kurumisawa