Title:
AIR SPRING
Document Type and Number:
WIPO Patent Application WO/2012/073537
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an air spring which can ensure airtightness without complicating the structure. Specifically, the air spring is provided with an upper surface plate (1), a lower surface plate (2), a cylindrical flexible member (3) disposed between the upper surface plate (1) and the lower surface plate (2), and an elastic stopper (4) attached to the lower surface plate (2). The lower surface plate (2) has a bead receiving section (8), which has fitted therein a bead section (3b) at the lower end portion of the flexible member (3), and a flange section (9) formed on the outside of the bead receiving section (8) in the radius direction. A through hole (15) is formed in the flange section (9), a fixing member is engaged in the through hole (15), and the lower surface plate (2) and the top plate (13) of the elastic stopper (4) are fixed to each other.
Inventors:
YASUNAGA YUKI
MASUNAKA YOSHITOMO
MASUNAKA YOSHITOMO
Application Number:
PCT/JP2011/057600
Publication Date:
June 07, 2012
Filing Date:
March 28, 2011
Export Citation:
Assignee:
TOYO TIRE & RUBBER CO (JP)
YASUNAGA YUKI
MASUNAKA YOSHITOMO
YASUNAGA YUKI
MASUNAKA YOSHITOMO
International Classes:
F16F15/04; F16F9/05
Foreign References:
| JP2010223372A | 2010-10-07 | |||
| JPS6295490U | 1987-06-18 | |||
| JPS57155340U | 1982-09-29 | |||
| JPH10288236A | 1998-10-27 |
Other References:
See also references of EP 2647871A4
Attorney, Agent or Firm:
OHSHIMA, Yasutoshi et al. (JP)
Yasuo Oshima (JP)
Yasuo Oshima (JP)
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Claims: