Hydraulic shock absorber and spring combination

Details Hydraulic shock absorber and spring combination Hydraulic shock absorber and spring combination

1979-03-21

1980-11-18

Halvosa, George E. A.

Spring devices

Vehicle

Bolster

188298, 267 35, 267122, 267127, 267152, 280708, F16F 1300

Patent

active

042341728

ABSTRACT:
A hydraulic shock absorber for use on vehicles which includes a rubber attachment on the upper end thereof which is supported on the vehicle. A cap sealingly covers the rubber attachment to provide a sealed chamber communicating with oil in the cylinder of the shock absorber. A partition provided with a communicating hole is disposed in the chamber. A flexible membrane is disposed above the partition in the chamber and divides the chamber into sealed compartments. One of the sealed compartments is filled with pressurized gas, and the other sealed compartment is held in communication with the interior of the shock absorber. The arrangement of the invention provides a shock absorber with an improved secondary performance in dampening forces between the shock absorber and the body of the vehicle.

REFERENCES:
patent: 2918305 (1959-12-01), Faiver
patent: 3582106 (1971-06-01), Keijzer
patent: 3770258 (1973-11-01), Takahashi et al.
patent: 4010829 (1977-03-01), Naito et al.

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