Rolling-lobe air spring having a support bell

Details Rolling-lobe air spring having a support bell Rolling-lobe air spring having a support bell

2005-07-26

2005-07-26

Graham, Matthew C. (Department: 3683)

Spring devices

Vehicle

Comprising compressible fluid

C267S064210, C267S064240

Reexamination Certificate

active

06921065

ABSTRACT:
A rolling-lobe air spring (2) includes a cover (cover plate,6-I or6-II), a roll-off piston (8) and a rolling-lobe flexible member (4). A support bell (16-I or16-II) is provided in order to solve stability problems. The support bell (16-I or16-II) is rigidly connected to the cover (6-I or6-II) in order to provide a guide of high stiffness to the rolling-lobe flexible member. The support bell (16-I or16-II) is rigidly connected to the cover (6-I or6-II) and can be arranged within or outside of the cover (6-I or6-II). For an inner-lying support bell (16-I) the upper end of the rolling-lobe flexible member is attached to the throat region (18-I) of the support bell (16-I) with the aid of a clamp ring (12-I) applied from the outside. For an outside-lying support bell (16-II), the throat region (18-II) of the support bell (16-II) is deformed against the upper end of the rolling-lobe flexible member and against a support ring (12-II) disposed therebelow.

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