Shock absorber

Brakes – Internal-resistance motion retarder – Resistance alters relative to direction of thrust member

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Details

137809, 137810, 137814, 18832215, 188320, F16F 934

Patent

active

045025754

ABSTRACT:
A shock absorber has a piston which comprises upper and lower members. The upper and lower members are fixedly assembled to define therein the vortex chamber. The piston has vertically-extending channels on the periphery thereof to define the vertical section of the vortex passages together with the inner periphery of the cylinder tube.

REFERENCES:
patent: 2161811 (1939-06-01), Grebe
patent: 2182581 (1939-12-01), Casper
patent: 2637414 (1953-05-01), Patriquin
patent: 3220517 (1965-11-01), Lorenz
patent: 3672474 (1972-06-01), Mayer et al.
patent: 3804216 (1974-04-01), Katsumori et al.
patent: 4335644 (1982-06-01), Goes et al.

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