Patents by Inventor Masaru YAMAWAKI

Masaru YAMAWAKI 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-to-universal joint coupling structure
    Patent number: 9523392
    Abstract: A shaft-to-universal joint coupling structure includes: a column shaft; a universal joint including a shaft yoke; a sleeve to which the column shaft and the universal joint are fitted; and a coupling pin inserted into a through-hole of the shaft yoke and an insertion hole of the sleeve. The coupling pin has a small-diameter portion inserted into the insertion hole, and a step portion positioned inward of an inner peripheral face of the sleeve in the radial direction of the sleeve.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: December 20, 2016
    Assignee: JTEKT CORPORATION
    Inventors: Osamu Honda, Masaru Yamawaki, Mitsuharu Ozaki, Naoji Kawasoko
  • SHAFT-TO-UNIVERSAL JOINT COUPLING STRUCTURE
    Publication number: 20150167747
    Abstract: A shaft-to-universal joint coupling structure includes: a column shaft; a universal joint including a shaft yoke; a sleeve to which the column shaft and the universal joint are fitted; and a coupling pin inserted into a through-hole of the shaft yoke and an insertion hole of the sleeve. The coupling pin has a small-diameter portion inserted into the insertion hole, and a step portion positioned inward of an inner peripheral face of the sleeve in the radial direction of the sleeve.
    Type: Application
    Filed: December 2, 2014
    Publication date: June 18, 2015
    Inventors: Osamu HONDA, Masaru YAMAWAKI, Mitsuharu OZAKI, Naoji KAWASOKO