| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an air spring capable of suppressing the coming-off of a diaphragm. Ž<P>SOLUTION: In the outer peripheral face of a connected part 20B, a recessed groove 26 is formed as shown in Fig.2. The recessed groove 26 consists of a first outer diameter portion 22 and a second outer diameter portion 24 to form grooves different in depth. The outer diameter of the first outer diameter 22 is an outer diameter A1, and the outer diameter of the second outer diameter portion 24 is an outer diameter A2 larger than the outer diameter A1. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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