Patents by Inventor Charles H. Mirella

Charles H. Mirella 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).

  • Hollow shaft measurement device
    Patent number: 4872354
    Abstract: A hollow shaft 12 measurement machine 10 which comprises a measurement table 11, a coordinate measurement machine 14, a rotatable hydraulic chuck 16, a movable/rotatable center 18 and a bore gauge 20. The movable/rotatable center allows direct movement of a gauge head 24 within the hollow shaft in order to ascertain the internal shaft measurements. The shaft is held accurately by the rotatable center 18 and by a contractable spline insert of the hydraulic chuck 16 so that the shaft's precise centerline axis can be determined.
    Type: Grant
    Filed: July 30, 1987
    Date of Patent: October 10, 1989
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Marian Barasch, Charles H. Mirella