Convertible gas spring

Details Convertible gas spring Convertible gas spring

1988-01-26

1989-06-13

Kashnikow, Andres

Spring devices

Vehicle

Comprising compressible fluid

267119, 267130, 18832214, 18832221, 137596, F16F 934, F16F 936, F16F 943, F17D 120

Patent

active

048385271

ABSTRACT:
A gas spring with a piston rod slidably received in a cylinder which defines a chamber in which a gas is compressed when the rod is forced into the cylinder. The gas spring can be operated with either an external source of gas or as a precharged and self-contained unit by changing first and second valves assemblies either of which can be installed in the same cavity in the cylinder. If desired, a check valve can control the bleeding of gas under pressure in the cylinder back to the entrance of the cavity containing one of the valve assemblies through which the cylinder is filled with gas.

REFERENCES:
patent: Re25027 (1961-08-01), Williamson
patent: 2938718 (1960-05-01), Williamson
patent: 3085530 (1963-04-01), Williamson
patent: 3124343 (1964-03-01), Williamson
patent: 3147962 (1964-09-01), Williamson
patent: 4550899 (1985-11-01), Holley
patent: 4635466 (1987-01-01), Seki et al.
patent: 4662616 (1987-05-01), Hennells
patent: 4664362 (1987-05-01), Hennells
patent: 4709724 (1987-12-01), Williams
patent: 4742997 (1988-05-01), Wallis

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