Rolling-lobe air spring

Details Rolling-lobe air spring Rolling-lobe air spring

1997-11-04

1999-09-21

Oberleitner, Robert J.

Spring devices

Vehicle

Comprising compressible fluid

267 6424, 267 6421, F16F 904

Patent

active

059543167

ABSTRACT:
The invention is directed to an air spring (2) having a flexible member wherein a roll-off piston (8) is connected to a flexible member (6) of the air spring (2) via a threaded fastener assembly. The piston volume (8a) is used to provide a softer spring constant in that the piston volume (8a) and the volume (6a) of the flexible member (6) communicate with each other. The sealing ring configured at the lower edge (6c) of the flexible member (6) is clamped tightly between a clamping plate (12) and the sealing surface (8c) of the piston by utilizing a threaded spindle (10) which is sufficiently long. The clamping plate (12) is provided with holes (14). The clamping plate (12) can be configured as a deep-drawn pot provided with several bores (14).

REFERENCES:
patent: 4506910 (1985-03-01), Bierens
patent: 4564177 (1986-01-01), Leonard
patent: 5382006 (1995-01-01), Arnold

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