Adjustable-length gas spring

Details Adjustable-length gas spring Adjustable-length gas spring

1997-02-07

1999-06-29

Butler, Douglas C.

Spring devices

Vehicle

Comprising compressible fluid

188300, 251298, 267117, 267124, 267131, F16F 944

Patent

active

059156740

ABSTRACT:
An adjustable-length gas spring comprises a housing and a piston rod led out of the latter, on which a piston is disposed, dividing the housing into two partial housing chambers. Provision is made for a valve for the partial housing chambers to be connected with each other, the valve comprising a valve-operating lever, which is arranged pivotably at right angles to its longitudinal direction and a valve seat of which, when the lever is pivoted out of a position of rest into a position of opening of the valve, can be lifted off a seal, while forming a gap that connects the partial housing chambers with each other.

REFERENCES:
patent: 3711054 (1973-01-01), Bauer
patent: 3988001 (1976-10-01), Kankaras
patent: 4072288 (1978-02-01), Wirges et al.
patent: 4096785 (1978-06-01), Wirges
patent: 4124202 (1978-11-01), Hatakeyama
patent: 4415135 (1983-11-01), French
patent: 4632228 (1986-12-01), Oster et al.
patent: 4793450 (1988-12-01), Savenije
patent: 5090770 (1992-02-01), Heinrichs et al.
patent: 5097928 (1992-03-01), Enders et al.
patent: 5133529 (1992-07-01), Kashima et al.
patent: 5141210 (1992-08-01), Bauer et al.
patent: 5620067 (1997-04-01), Bauer et al.

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