Patents by Inventor Toshiaka Yamaguchi

Toshiaka Yamaguchi 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).

  • Vibration suppressing device in a feed screw mechanism
    Patent number: 4671127
    Abstract: In a vibration suppressing device in a feed screw mechanism including a screw shaft rotatably supported on the base bed, and a nut mounted on a movable member fitted on the screw shaft and movable while being guided along the base bed, vibration suppressing means is mounted at a predetermined location on the screw shaft so as to suppress vibration in a radial direction created in the screw shaft during the operation of the feed screw.
    Type: Grant
    Filed: December 5, 1984
    Date of Patent: June 9, 1987
    Assignee: Nippon Seiko Kabushiki Kaisha
    Inventors: Toshiaka Yamaguchi, Shirouji Yabe