Patents Examined by George Abraham
  • Workpiece rotating and feeding apparatus
    Patent number: 4184798
    Abstract: Apparatus is provided for simultaneously rotating and axially feeding an elongated workpiece past an induction heating inductor. The apparatus includes a collet having a passageway therethrough defined in part by radially displaceable fingers normally providing an opening of a diameter smaller than the smallest diameter of the workpiece. A workpiece is pushed through the collet and the collet is simultaneously rotated for the fingers to rotate the workpiece as the latter slides axially along the fingers.
    Type: Grant
    Filed: January 23, 1978
    Date of Patent: January 22, 1980
    Assignee: Park-Ohio Industries, Inc.
    Inventor: John R. Laughlin