Patents Examined by P. Wallace
  • Patent number: 4611373
    Abstract: A method for forming a precision ball groove track in a part, especially in an outer race member of a universal joint. The method includes the steps of forming a recess groove in the ball race groove track and ball finish machining the race groove track to a predetermined precision shape, the recess reducing groove the wear on the finish machining tool used during the finish machining step.
    Type: Grant
    Filed: November 22, 1985
    Date of Patent: September 16, 1986
    Assignee: GKN Automotive Components
    Inventor: Daniel W. Hazebrook