| 摘要 |
PURPOSE: An inner ball joint for a steering system of a vehicle is provided to prevent impact noise between a rack stopper and the inner ball joint connected to a rack bar by forming an impact reducing member in the end of the inner ball joint. CONSTITUTION: A rack bar(30) is extended out of a rack housing(10), and moved axially in the rack housing. A rack stopper is placed between the outer surface of the rack bar and the inner surface of the rack housing. An inner ball joint(70) is combined with the rack bar, and composed of a ball housing(80) and a ball part(90) inserted to the ball housing. An impact noise reducing member(100) is formed between the rack stopper and the inner ball joint to prevent noise in contacting the rack stopper to the inner ball joint. Reliability is improved with reducing impact noise with simple structure.
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