Patents by Inventor Kazuhiro KIMPARA

Kazuhiro KIMPARA 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).

  • Pitch cone angle measurement method and pitch cone angle measurement device
    Patent number: 10495435
    Abstract: A pitch cone angle measurement method includes bringing an abutment portion into abutment against ridges, and bringing another abutment portion into abutment against the ridges at a position separated in a direction orthogonal to a rotation axis direction of the rotation power transmitting element by a radial distance from a position at which the ridges and the abutment portion are brought into abutment against each other. The method also includes measuring a distance in the rotation axis direction between the position at which the abutment portion is brought into abutment against the ridges and a position at which the other abutment portion is brought into abutment against the ridges, and calculating a pitch cone angle of the rotation power transmitting element based on the distance in the rotation axis direction and the predetermined radial distance.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: December 3, 2019
    Assignee: NTN CORPORATION
    Inventors: Hiroshi Matsunaga, Kazuhiro Kimpara
  • PITCH CONE ANGLE MEASUREMENT METHOD AND PITCH CONE ANGLE MEASUREMENT DEVICE
    Publication number: 20180180397
    Abstract: A pitch cone angle measurement method includes bringing an abutment portion into abutment against ridges, and bringing another abutment portion into abutment against the ridges at a position separated in a direction orthogonal to a rotation axis direction of the rotation power transmitting element by a radial distance from a position at which the ridges and the abutment portion are brought into abutment against each other. The method also includes measuring a distance in the rotation axis direction between the position at which the abutment portion is brought into abutment against the ridges and a position at which the other abutment portion is brought into abutment against the ridges, and calculating a pitch cone angle of the rotation power transmitting element based on the distance in the rotation axis direction and the predetermined radial distance.
    Type: Application
    Filed: July 8, 2016
    Publication date: June 28, 2018
    Inventors: Hiroshi MATSUNAGA, Kazuhiro KIMPARA