| 摘要 |
A mounting bush of the automobile sub frame is provided to reduce vibration flowed in into the car body by decreasing the spring constant, and to perform the stable vehicle behavior by enhancing the spring constant. A mounting bush of the automobile sub frame comprises the main body equipped to the inner pipe(21) in which diameter becomes narrow and the outer pipe(23) in which diameter is broad; the first rubber(11) and the third rubber(13) formed in the top and lower part into isometrical; the first rubber is formed between the first rubber and the third rubber; and the second rubber(12) which is contacted with the third rubber and is transformed into.
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