Title:
AIR SUSPENSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/199457
Kind Code:
A1
Abstract:
This air suspension device (10) is provided with: an air spring body (11) wherein the opposite end openings (1a, 1b) of a cylindrical membrane member (1) in which gas is sealed are respectively connected to an upper surface plate (2) and a lower surface plate (3); an intermediate member (4) disposed below the lower surface plate and having a vertically extending through-hole (4c) formed at the center thereof; a body rubber section (5) for elastically connecting the lower surface plate and the intermediate plate; a support member (7) disposed below the intermediate member and provided with an upwardly protruding inner protrusion (7a) at the center thereof; and an elastic body (6) for elastically connecting the intermediate member and the support member. The inner peripheral surface of the through-hole and the outer peripheral surface of the inner protrusion face each other with the elastic body located therebetween.
Inventors:
TANAKA SATOSHI (JP)
Application Number:
PCT/JP2016/085733
Publication Date:
November 23, 2017
Filing Date:
December 01, 2016
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
F16F9/05; B60G11/27; B61F5/10; F16F1/36; F16F3/093; F16F15/023; F16F15/04
Domestic Patent References:
| WO2014129020A1 | 2014-08-28 | |||
| WO2015053231A1 | 2015-04-16 | |||
| WO2009107679A1 | 2009-09-03 |
Foreign References:
| JP2012072825A | 2012-04-12 | |||
| JP2012072825A | 2012-04-12 |
Other References:
See also references of EP 3460285A4
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
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