Patents by Inventor Michiharu Mukai

Michiharu Mukai 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).

  • Gripping device of working machine and working machine with the same
    Patent number: 8469652
    Abstract: A gripping device includes a spring member provided between a gripping member body and a shaft so that driving of a gripping driving cylinder causes a driving force to be transmitted from the gripping driving cylinder to the body while the shaft and the body are held in a predetermined positional relationship; so that the body is allowed to retreat with respect to the shaft by elastically deforming the spring member by an opposing force received from a processing object that contacts the body as a result of rotating the body; and so that contact pressure of the body with respect to the processing object is increased by an elastic force of the spring member as the body retreats.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: June 25, 2013
    Assignee: Kobelco Construction Machinery Co., Ltd.
    Inventors: Daisuke Muraoka, Michiharu Mukai, Takanori Yamasaki
  • GRIPPING DEVICE OF WORKING MACHINE AND WORKING MACHINE WITH THE SAME
    Publication number: 20100290884
    Abstract: A gripping device includes a spring member provided between a gripping member body and a shaft so that driving of a gripping driving cylinder causes a driving force to be transmitted from the gripping driving cylinder to the body while the shaft and the body are held in a predetermined positional relationship; so that the body is allowed to retreat with respect to the shaft by elastically deforming the spring member by an opposing force received from a processing object that contacts the body as a result of rotating the body; and so that contact pressure of the body with respect to the processing object is increased by an elastic force of the spring member as the body retreats.
    Type: Application
    Filed: April 27, 2010
    Publication date: November 18, 2010
    Applicant: KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    Inventors: Daisuke MURAOKA, Michiharu Mukai, Takanori Yamasaki