Springs

Details Springs Springs

1976-04-15

1977-02-08

Marbert, James B.

Spring devices

Vehicle

Comprising compressible fluid

254 105, F16F 112

Patent

active

040068935

ABSTRACT:
A device for strengthening a coil spring comprising a torsion spring having a helical formation and two arms that are engageable with the coil spring. A deformable plastics body, such as polyurethane, is received within the helical formation resistively to oppose a reduction of the diameter of the formation whereby the device has a progressive action.

REFERENCES:
patent: 2274227 (1942-02-01), Willard
patent: 3014713 (1961-12-01), Fenton
patent: 3866896 (1975-02-01), Wehner

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