Hydraulic shock absorber with two-way action

Brakes – Internal-resistance motion retarder – Position of thrust member relative to chamber

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188312, 188317, 267 8R, F16F 948

Patent

active

045910316

ABSTRACT:
The invention relates to a hydraulic shock absorber with two-way action, in which two pistons (18, 19), one for each direction of motion, act in a housing (1). The pistons (18, 19) are movable relative to each other in, or with, a pressure tube (6). Equalizing elements (4, 5) are provided at the ends. The pistons (18, 19) are each provided with a piston rod. The piston rods are provided with seals (38, 39) which are nearly completely relieved of pressure.

REFERENCES:
patent: 2173574 (1939-10-01), Bindeu et al.
patent: 2814364 (1957-11-01), Lowe
patent: 2861795 (1958-11-01), Blake
patent: 2917303 (1959-12-01), Vierling
patent: 2992815 (1961-07-01), Ellis
patent: 3344894 (1967-10-01), Kenworthy
patent: 3645365 (1972-02-01), Domek
patent: 4164274 (1979-08-01), Schupner
patent: 4298101 (1981-11-01), Dressell

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