Suspension system for vehicles containing combination isolator m

Details Suspension system for vehicles containing combination isolator m Suspension system for vehicles containing combination isolator m

1987-05-18

1989-01-10

Kashnikow, Andres

Spring devices

Vehicle

Compound

74 182, 267 6421, 267 6424, 403 51, 403267, B60G 1162, F16F 904, F16J 1550, B25G 334

Patent

active

047968702

ABSTRACT:
A suspension system for a vehicle having a shock absorber strut with a reciprocal rod located within a cylinder and an air spring having a fluid pressure chamber wherein the piston rod and cylinder extend through the chamber. The air spring includes a rigid annular canister and a flexible sleeve, one end of which is sealingly connected to the cylinder and the other end connected to the open bottom of the canister. An elastomeric isolator is bonded to a lower side of an end cap which is adapted to be secured to the vehicle. The isolator also is bound to and encloses the open upper end of the canister to close the pressure chamber of the air spring and to resiliently mount the air spring to the vehicle. An opening is formed in the isolator for sealingly receiving the upper end of the piston rod therethrough. The bonding of the end cap to the air spring canister by the isolator provides the fluid seal for the piston rod and dual path isolation for the suspension unit with a reduced number of parts.

REFERENCES:
patent: 3046000 (1962-07-01), Polhemus et al.
patent: 3372919 (1968-03-01), Jackson
patent: 3954255 (1976-05-01), Keijzer et al.
patent: 4492366 (1985-01-01), Ozawa et al.
patent: 4555096 (1985-11-01), Pryor
patent: 4592540 (1986-06-01), Yokoya et al.
patent: 4688774 (1987-08-01), Warmuth

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