Patents by Inventor Hirokazu OKUBO

Hirokazu OKUBO 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).

  • Machining apparatus
    Patent number: 11045920
    Abstract: A machining apparatus machines an end face of a tapered roller with a grinding wheel. The machining apparatus includes a support mechanism configured to support the tapered roller, a wheel unit on which the grinding wheel is mounted, and a base configured to support the wheel unit so that the wheel unit is swivelable about a center line in a vertical direction. A machining point where the grinding wheel is brought into contact with the end face of the tapered roller supported by the support mechanism is located on an extension of the center line serving as a swivel center of the wheel unit.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: June 29, 2021
    Assignee: JTEKT CORPORATION
    Inventors: Hirokazu Okubo, Atsushi Kuno, Kenichiro Kitamura
  • MACHINING APPARATUS
    Publication number: 20180250790
    Abstract: A machining apparatus machines an end face of a tapered roller with a grinding wheel. The machining apparatus includes a support mechanism configured to support the tapered roller, a wheel unit on which the grinding wheel is mounted, and a base configured to support the wheel unit so that the wheel unit is swivelable about a center line in a vertical direction. A machining point where the grinding wheel is brought into contact with the end face of the tapered roller supported by the support mechanism is located on an extension of the center line serving as a swivel center of the wheel unit.
    Type: Application
    Filed: February 20, 2018
    Publication date: September 6, 2018
    Applicant: JTEKT CORPORATION
    Inventors: Hirokazu OKUBO, Atsushi KUNO, Kenichiro KITAMURA