Shock absorber

Details Shock absorber Shock absorber

1985-06-27

1987-03-10

Reger, Duane A.

Brakes

Internal-resistance motion retarder

Having a thrust member with a variable volume chamber

267 6415, F16F 919

Patent

active

046484906

ABSTRACT:
Shock absorbing apparatus includes a pair of fluid containing chambers defined by a pair of telescoping cylinders. Fluid flows from one of the chambers to another through a metering orifice proportional to the differential in pressure generated by impact loads to which the shock absorber is subjected. Upon the differential pressure exceeding a predetermined threshold level an additional flow path positioned in parallel to the metering orifice is opened by an amount proportional to the amount of differential pressure in excess of the threshold to thereby maintain a substantially constant load on the device to which the shock absorber is attached irrespective of impact loads imparted thereto.

REFERENCES:
patent: 2655232 (1953-10-01), Etherton
patent: 3458016 (1969-07-01), Keech
patent: 3696894 (1972-10-01), Brady et al.
patent: 4061295 (1977-12-01), Somm

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