Patents by Inventor Bruno J. Zapart

Bruno J. Zapart 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).

  • Patent number: 4151984
    Abstract: A V-block fixture for holding a workpiece during a shaping operation has a frame holder and a complementary frame associated with the holder. The frame has a V-block rigidly secured thereto, and the frame and V-block as a unit may be quickly and easily removably secured to the holder in any one of a large number of differing preselected configurations.
    Type: Grant
    Filed: March 14, 1978
    Date of Patent: May 1, 1979
    Inventor: Bruno J. Zapart
  • Patent number: 4100702
    Abstract: An indexing fixture adapted for operation with an internally held collet-receiving work piece and having means for both indexed axial rotation and indexed axial tilting in a vertical plane has certain moving parts which may be adversely affected by grinding wheel dust shielded by other members less liable to damage. Also, adjustable means is provided for influencing certain elements to compensate for abrasive dust damage. A selectively positionable indexing dog enables the establishment of a rotary indexing position of an associated work piece along its radius or diameter.
    Type: Grant
    Filed: June 3, 1977
    Date of Patent: July 18, 1978
    Inventor: Bruno J. Zapart