Air spring with fabric restraining cylinder

Details Air spring with fabric restraining cylinder Air spring with fabric restraining cylinder

1986-09-24

1988-02-02

Falk, Joseph

Spring devices

Vehicle

Comprising compressible fluid

18832212, F16B 904

Patent

active

047225165

ABSTRACT:
There is disclosed a rolling lobe fluid spring (10) having an upper retainer (12) and a piston (14) with a tubular air impervious flexible membrane (18) sealingly attached thereto to form the airspring. A radially inextensible fabric restraining cylinder (40) is provided circumferentially around the outer periphery of the flexible membrane. The cylinder (40) shrouds the membrane (18) over at least the entire axial working stroke (WA) of the airspring. The cylinder (40) radially supports and protects the flexible membrane (18).

REFERENCES:
patent: 2925265 (1960-02-01), Nassimbene
patent: 2939698 (1960-06-01), Polhemus
patent: 3010715 (1961-11-01), Slemmons et al.
patent: 3033558 (1962-05-01), Slemmons et al.
patent: 3043582 (1962-07-01), Hirtreiter
patent: 3074709 (1963-01-01), Ballard et al.
patent: 3438309 (1969-04-01), Boileau
patent: 3582027 (1971-06-01), Hackbarth
patent: 3897941 (1975-08-01), Hirtreiter et al.
patent: 4332397 (1982-06-01), Steger
patent: 4513845 (1985-04-01), Stephens et al.

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