Patent ID: 8182354

Claim:
A slip joint of a steering apparatus for a vehicle, the slip joint comprising: an outer member having a plurality of first assembling recesses formed on an inner circumferential surface of the outer member in an axial direction; an inner member being inserted within the outer member, the inner member having a plurality of second assembling recesses formed on an outer circumferential surface of the inner member in an axial direction; and a slip bush, which has a hollow cylindrical shape and is inserted between the outer member and the inner member, the slip bush including mounting parts having balls and at least one roller inserted within the mounting parts to transfer steering force, each mounting part extending along an axial direction and having a circular or elliptical bar-shape, and having a plurality of first mounting holes and a second mounting hole. the first mounting holes having spherical shape and extending through outer and inner circumferential surfaces of the mounting part so as to allow the balls to be pressed and inserted into the first mounting holes, the second mounting hole extending through the outer and inner circumferential surfaces of the mounting part so as to allow the roller to be pressed and inserted into the second mounting hole, wherein at least one end of the slip bush includes the circular or elliptical bar-shape.