Patent ID: 6474526
Filing Date: 2002-11-05
Classification: B23D,F16C,Y10T

Abstract:
An apparatus for crack splitting a connecting rod big-end having a bore with a cylindrical inner surface and a height in an axial direction, said apparatus comprising:a movable expander jaw including a first peripheral surface configured for engaging only a first portion of the inner surface of the bore, the first portion extending in a circumferential direction substantially perpendicular to the height, the first portion having a first span in the axial direction, the first span being less than the height; a fixed expander jaw opposing said movable expander jaw in a radial direction, said fixed expander jaw including a second peripheral surface configured for engaging only a second portion of the inner surface of the bore, the second portion extending in a circumferential direction substantially perpendicular to the height, the second portion having a second span in the axial direction, the second span being less than the height; and an expander device configured for causing said movable expander jaw to move in the radial direction away from said fixed expander jaw.