With Means To Effect Stopping Upon Completion Of Operation Patents (Class 409/171)
  • Patent number: 4573840
    Abstract: A machine for forming an annular counterbore in the outer face of the solid end of a piston has a tool supporting spindle rotated on its own central axis and simultaneously revolved about an eccentric axis, the eccentricity of the axis of revolution being adjustable to accommodate pistons of different diameters.
    Type: Grant
    Filed: April 2, 1984
    Date of Patent: March 4, 1986
    Assignee: Lamb Technicon Corp.
    Inventor: Frank C. Skrentner