Patent ID: 6813970
Filing Date: 2004-11-09
Classification: F16H,Y10T

Abstract:
A method for making a ball-nut assembly comprising the steps of:a) obtaining a ball nut including a radial through slot and including an outer surface having a first portion, having a ledge radially recessed from the first portion and at least partially bounding the through slot, and having an undercut wall connecting the ledge and the first portion; b) obtaining a crossover member having a flange and a crossover-grooved portion, wherein the crossover portion includes at least one crossover groove; c) disposing the crossover member from outside the ball nut to have the flange supported against radially-inward movement by the ledge and the crossover-grooved portion disposed in the through slot with every part of every crossover groove of the crossover-grooved portion disposed radially inward of the ledge; and d) after step c), transversely and ductilely elongating the flange creating a staked portion of the flange which contacts the undercut wall of the outer surface of the ball nut.