Rolling sleeve-type gas spring with dust protection

Details Rolling sleeve-type gas spring with dust protection Rolling sleeve-type gas spring with dust protection

1998-02-05

1999-12-07

Oberleitner, Robert J.

Spring devices

Vehicle

Comprising compressible fluid

F16F 904

Patent

active

059969806

ABSTRACT:
In a rolling sleeve-type gas spring, particularly for a vehicle support structure, wherein the gas spring includes a cylinder, a piston received in the cylinder with an annular space formed therebetween and a rolling sleeve mounted to the piston and the cylinder and having a meniscus portion extending into the annular space from within the cylinder for containing gas under pressure in the cylinder, a second rolling sleeve is connected to the piston and the cylinder and extends into the annular space from without for preventing soiling of the surfaces of the piston and the cylinder defining the annular space.

REFERENCES:
patent: 4493481 (1985-01-01), Merkle
patent: 4722516 (1988-02-01), Gregg
patent: 5005808 (1991-04-01), Warmuth, II et al.

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