| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an air spring device for improving durability, while being a small type, by optimizing a laminated elastic body. Ž<P>SOLUTION: This air spring device 1 includes an air spring 2 composed of an upper face plate 4, a lower face plate 5 and a cylindrical flexible film body 6 arranged between the upper face plate 4 and the lower face plate 5 and airtightly connecting its both end parts to the upper face plate 4 and the lower face plate 5, the cylindrical laminated elastic body 3 installed in at least one of the vehicle side of the upper face plate 4 of the air spring 2 and the road surface side of the lower face plate 5 and formed by laminating a cylindrical elastic member 8 of a plurality of layers in a series on such a face plate by sandwiching a cylindrical rigid member 9 between its layers, and a lower end support member 11 installed on a surface on the side separating from the air spring 2 of the laminated elastic body 3. Among the elastic members 8 of such the laminated elastic body 3, the volume of the most distant elastic member 12 being the elastic member 8 existing at the most distant to the air spring 2, is larger than the volume of its other elastic member 8, and an inner diameter of the most distant elastic member 12 is smaller than an inner diameter of its other elastic member 8. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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