Patents by Inventor Norihiro Maezato

Norihiro Maezato 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).

  • Shaft connection structure and shaft connection method
    Patent number: 9038798
    Abstract: A shaft connection structure connects a pair of rotating shafts by a fit between a pair of spline shafts, wherein the pair of rotating shafts are provided with corresponding ones of the pair of spline shafts. The shaft connection structure includes a shaft connection assist device. The shaft connection assist device includes a centering ring and centering pins. The centering ring is arranged outside of a first one of the spline shafts and coaxially with the first spline shaft. The centering pins are provided outside of a second one of the spline shafts. The centering pins engage with an outer peripheral surface of the centering ring and bring a shaft axis of the first spline shaft and a shaft axis of the second spline shaft into a range enabling the fit therebetween.
    Type: Grant
    Filed: June 10, 2011
    Date of Patent: May 26, 2015
    Assignee: MEIDENSHA CORPORATION
    Inventors: Hiroyuki Sakai, Kazutoshi Yoshida, Norihiro Maezato
  • SHAFT CONNECTION STRUCTURE AND SHAFT CONNECTION METHOD
    Publication number: 20130081919
    Abstract: A shaft connection structure connects a pair of rotating shafts by a fit between a pair of spline shafts, wherein the pair of rotating shafts are provided with corresponding ones of the pair of spline shafts. The shaft connection structure includes a shaft connection assist device. The shaft connection assist device includes a centering ring and centering pins. The centering ring is arranged outside of a first one of the spline shafts and coaxially with the first spline shaft. The centering pins are provided outside of a second one of the spline shafts. The centering pins engage with an outer peripheral surface of the centering ring and bring a shaft axis of the first spline shaft and a shaft axis of the second spline shaft into a range enabling the fit therebetween.
    Type: Application
    Filed: June 10, 2011
    Publication date: April 4, 2013
    Inventors: Hiroyuki Sakai, Kazutoshi Yoshida, Norihiro Maezato