Patents by Inventor Mitsuru Tsunoda

Mitsuru Tsunoda 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).

  • Displacement detector
    Patent number: 5289729
    Abstract: A displacement detector which supports either the main scale or the grid to move in a direction perpendicularly intersecting the relative movement direction of the spindle, and which has a spring for pushing one of the main scale and grid toward the other, protrusions for maintaining a predetermined clearance between the urged one of the main scale and grid and the other, and a clearance limiting device for limiting a displacement of the urged one of the main scale and grid from the other to a limited clearance distance to prevent a loss of measuring continuity.
    Type: Grant
    Filed: October 21, 1991
    Date of Patent: March 1, 1994
    Assignee: Mitutoyo Corporation
    Inventors: Mitsuru Tsunoda, Shigeru Ohtani