Patents Assigned to Nitto Kohki Company, Limited
  • 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