Patents Assigned to DAI-ICHI SOKUHAN WORKS CO.
  • Threaded-hole inspection device
    Patent number: 11035657
    Abstract: Provided is a threaded-hole inspection device having high inspection precision. An incomplete thread ridge portion of a gauge portion 5 of a thread gauge 1 is removed, a phase-positioning portion 8 for positioning a tip-side start point 7 of a complete thread ridge at a prescribed phase when the thread gauge 1 is mounted on a rotating-shaft portion 2 is provided to a fastening portion 6 of the thread gauge 1 that is to be fastened to the rotating-shaft portion 2, and a phase-positioning engaging portion 9 that is to engage with the phase-positioning portion 8 is provided to the rotating-shaft portion 2.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: June 15, 2021
    Assignee: DAI-ICHI SOKUHAN WORKS CO.
    Inventors: Mamoru Hara, Yasuo Sato, Atsushi Sato, Tetsuya Horiuchi, Teruyuki Miyashita, Takao Hayashi, Kenji Miyamori, Koji Miyamori, Mamoru Watanabe
  • THREADED-HOLE INSPECTION DEVICE
    Publication number: 20190293401
    Abstract: Provided is a threaded-hole inspection device having high inspection precision. An incomplete thread ridge portion of a gauge portion 5 of a thread gauge 1 is removed, a phase-positioning portion 8 for positioning a tip-side start point 7 of a complete thread ridge at a prescribed phase when the thread gauge 1 is mounted on a rotating-shaft portion 2 is provided to a fastening portion 6 of the thread gauge 1 that is to be fastened to the rotating-shaft portion 2, and a phase-positioning engaging portion 9 that is to engage with the phase-positioning portion 8 is provided to the rotating-shaft portion 2.
    Type: Application
    Filed: October 30, 2017
    Publication date: September 26, 2019
    Applicant: DAI-ICHI SOKUHAN WORKS CO.
    Inventors: Mamoru HARA, Yasuo SATO, Atsushi SATO, Tetsuya HORIUCHI, Teruyuki MIYASHITA, Takao HAYASHI, Kenji MIYAMORI, Koji MIYAMORI, Mamoru WATANABE