Spring devices – Vehicle – Comprising compressible fluid
Patent
1984-12-21
1987-04-14
Butler, Douglas C.
Spring devices
Vehicle
Comprising compressible fluid
267122, 403134, B60G 1126, F16F 904
Patent
active
046572295
ABSTRACT:
A pneumatic shock absorber, especially for road vehicles. The rolling bellows of the shock absorber is made of a simple hose body which has no end beads, and is mounted with the aid of metal clamping rings on vehicle parts which are cushioned relative to one another. To simplify mounting, the mounting regions of these parts are provided with reduced-diameter engagement surfaces. To improve this mounting system, the support piston which is associated with the lower end portion of the rolling bellows is provided with circumferential ribs which are disposed in at least one axial portion of the reduced-diameter mounting region thereof. These circumferential ribs preferably have a triangular cross-sectional shape. The frictional mounting is thus supplemented and reinforced in a simple manner by a positive connection, so that the rolling bellows is reliably secured relative to every disadvantageous axial movement.
REFERENCES:
patent: 3022152 (1962-03-01), Deschner
patent: 3130965 (1964-04-01), Niclas
patent: 3819166 (1974-06-01), Ellis et al.
patent: 3850437 (1974-11-01), Owen
patent: 3897941 (1975-08-01), Hirtreiter et al.
patent: 4378935 (1983-04-01), Brown et al.
patent: 4398704 (1983-08-01), Buchanan et al.
Butler Douglas C.
Continental Gummi-Werke Aktiengesellschaft
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