Patents by Inventor Isamu Shindou

Isamu Shindou 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: 8104567
    Abstract: In a vehicle steering apparatus in which a housing for supporting coaxially to a rack shaft a ball nut that is provided with a ball screw mechanism constructed between itself and the rack shaft for moving in an axial direction for the purpose of steering and that is rotated by transmission from a steering motor is constructed in a separated form consisting of first and second housings fit to each other by spigot-joint fitting on an outer side of a retaining ring of a thrust bearing for thrust-supporting a rotating cylinder, a gap is provided in a part of the spigot-joint fitting part located on an outer side of the fixing nut screwed into the retaining ring in order to apply from one side a tightening force on a thrust bearing fit into and retained by the retaining ring.
    Type: Grant
    Filed: November 30, 2004
    Date of Patent: January 31, 2012
    Assignee: Jtekt Corporation
    Inventors: Tetsuya Murakami, Isamu Shindou, Kazuaki Nagamatsu
  • Publication number: 20070102229
    Abstract: In a vehicle steering apparatus in which a housing for supporting coaxially to a rack shaft a ball nut that is provided with a ball screw mechanism constructed between itself and the rack shaft for moving in an axial direction for the purpose of steering and that is rotated by transmission from a steering motor is constructed in a separated form consisting of first and second housings fit to each other by spigot-joint fitting on an outer side of a retaining ring of a thrust bearing for thrust-supporting a rotating cylinder, a gap is provided in a part of the spigot-joint fitting part located on an outer side of the fixing nut screwed into the retaining ring in order to apply from one side a tightening force on a thrust bearing fit into and retained by the retaining ring.
    Type: Application
    Filed: November 30, 2004
    Publication date: May 10, 2007
    Inventors: Tetsuya Murakami, Isamu Shindou, Kazuaki Nagamatsu