Patents Assigned to Bryant Grinder
  • Replaceable collet in double diaphragm chuck
    Patent number: 4133544
    Abstract: A work holder adapted to minimize clamp distortion of a workpiece by providing a movable metallic collet encompassing the workpiece, and a plurality of front and rear jaws to grip the metallic collet with different pressure forces at the front and rear sections of the collet.
    Type: Grant
    Filed: October 25, 1977
    Date of Patent: January 9, 1979
    Assignee: Bryant Grinder
    Inventor: James V. Halvorsen