| 摘要 |
PURPOSE: A vehicle steering system is provided to connect a rack bush in a rack housing to a rubber tube surrounding the rack housing for reducing the noise and vibration, thereby increasing the reliability of the steering system. CONSTITUTION: A vehicle steering system includes a hollow rack housing(50) and formed with coupling grooves(51) on outer periphery, a rack bar axially moving in the rack housing, a rack bush(90) inserted in the rack housing for guiding the motion of the rack bar and having a plurality of protruded coupling protrusions(91) formed on an outer periphery of an end to be inserted into the coupling grooves of the rack housing, a rubber pipe(60) surrounding the outside of the rack housing formed with the coupling grooves and having fixing grooves(61) for fixing the coupling protrusions of the rack bush.
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