Patents by Inventor Tadao Tanoi

Tadao Tanoi 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).

  • Stabilization device for the stand of a drilling machine
    Patent number: 4456410
    Abstract: A stabilization device for the stand of a drilling machine which comprises a casing secured to the rear of the stand and having a vertical stepped opening and a horizontal opening intersecting the vertical opening at right angles, a punch received in the casing for upward and downward movement and having a pointed projection extending downwardly from the lower end of the punch, a compression spring received in the casing to normally bias the punch downwardly and a spring loaded stop normally biased into the horizontal opening.
    Type: Grant
    Filed: August 26, 1981
    Date of Patent: June 26, 1984
    Assignee: Nitto Kohki Company, Limited
    Inventors: Toshio Mikiya, Mitihiro Shoji, Tadao Tanoi