Hydraulic shock absorber

Details Hydraulic shock absorber Hydraulic shock absorber

1976-05-25

1977-08-30

Reger, Duane A.

Brakes

Internal-resistance motion retarder

Position of thrust member relative to chamber

188315, F16F 944

Patent

active

040448657

ABSTRACT:
A hydraulic shock absorber includes a cylinder, a piston therein, a sleeve surrounding the cylinder wall and provided with an internal thread, the crest of which engages the cylinder wall, possibly a storage chamber for liquid provided outside the cylinder and connected to the slot of the thread, at least one cylinder chamber in communication with the slot of the thread through at least one narrow opening which may be throttled more or less by the crest of the thread, when the cylinder and the sleeve are rotated mutually.

REFERENCES:
patent: 3168168 (1965-02-01), Chorkey
patent: 3510117 (1970-05-01), Scholin et al.
patent: 3598206 (1971-08-01), Hennells
patent: 3666256 (1972-05-01), Ellis et al.
patent: 3693767 (1972-09-01), Johnson

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