Patents by Inventor Teppei Tsujita

Teppei Tsujita 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: 8758327
    Abstract: The invention provides a manipulator which can carry out a treatment having a large moving amount in a manipulator leading end while being compact. The manipulator is provided with a manipulator shaft portion, a first rod supported so as to be capable of linearly moving with respect to the manipulator shaft portion and driven by a driving force of a driving source, a first gear rotatably supported to the first rod, a first rack supported to the manipulator shaft portion, a second rack supported so as to be capable of linearly moving in the same direction as the first rod with respect to the manipulator shaft portion, and a end-effecter driven by the driving force of the second rack. The first rack and the second rack are arranged in such a manner that respective cogged surfaces come face to face. The first gear is pinched between the first rack and the second rack, and is arranged in an engaged state.
    Type: Grant
    Filed: June 18, 2008
    Date of Patent: June 24, 2014
    Assignees: Hitachi, Ltd., Kyushu University
    Inventors: Teppei Tsujita, Kosuke Kishi, Makoto Hashizume
  • Publication number: 20080310945
    Abstract: The invention provides a manipulator which can carry out a treatment having a large moving amount in a manipulator leading end while being compact. The manipulator is provided with a manipulator shaft portion, a first rod supported so as to be capable of linearly moving with respect to the manipulator shaft portion and driven by a driving force of a driving source, a first gear rotatably supported to the first rod, a first rack supported to the manipulator shaft portion, a second rack supported so as to be capable of linearly moving in the same direction as the first rod with respect to the manipulator shaft portion, and a end-effecter driven by the driving force of the second rack. The first rack and the second rack are arranged in such a manner that respective cogged surfaces come face to face. The first gear is pinched between the first rack and the second rack, and is arranged in an engaged state.
    Type: Application
    Filed: June 18, 2008
    Publication date: December 18, 2008
    Inventors: Teppei Tsujita, Kosuke Kishi, Makoto Hashizume