Suspension strut with pneumatic spring

Details Suspension strut with pneumatic spring Suspension strut with pneumatic spring

1978-03-05

1980-06-10

Kazenske, Edward R.

Spring devices

Vehicle

Bolster

267 64B, F16F 904

Patent

active

042069076

ABSTRACT:
MacPherson-type strut in combination with a rolling lobe air spring assembly for vehicle suspension. This air spring assembly comprises a tubular rubber boot fixed at its upper end to a retainer cap removably mounted on the strut piston rod. The lower end of the boot is fixed to a retainer sleeve which is removably mounted on the reservoir tube of the strut. The outer periphery of the retainer sleeve is profiled to present a variable diameter surface for the air spring and cooperates therewith to provide a variable rate spring. This air spring assembly may be easily replaced by another assembly for service or for changing the spring rate of the suspension.

REFERENCES:
patent: 3000624 (1961-09-01), Cislo
patent: 3000625 (1961-09-01), Polhemus
patent: 3121562 (1964-02-01), Long
patent: 3372919 (1968-03-01), Jackson
patent: 3954257 (1976-05-01), Keijzer et al.
Goodyear Super-Cushion Air Springs, "GYRL-300", _ GYRL-400, Jul. 1971, pp. 15, 16.

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