Torsion spring and cover

Details Torsion spring and cover Torsion spring and cover

1990-12-18

1993-01-05

Graham, Matthew C.

Spring devices

Torsion

267273, 267279, 280723, F16F 114

Patent

active

051763702

ABSTRACT:
A suspension device for an automobile with stoppers that are protrudingly provided in an intermediate portion of a torsion bar, and stopper bearings provided on the inner surface of a cover mounted on the torsion bar to be in contact with the stoppers when the torsion bar is twisted by a prescribed amount, thereby changing the spring constant when the stoppers come into contact with the stopper bearings, while a portion between an engaging portion and the stoppers is rendered smaller in thickness than the remaining portion between the engaging portion and an end provided with no stoppers, thereby providing an increased spring constant. The position of engagement between the cover and the engaging portion is rendered adjustable along the torsional direction, to harmonize comfortableness and operation stability of the automobile.

REFERENCES:
patent: 2606759 (1952-08-01), Colby
patent: 2702701 (1955-02-01), Thorne et al.
patent: 3131554 (1964-05-01), Hornschuch et al.
patent: 4634108 (1987-01-01), Munch
patent: 4659069 (1987-04-01), Odobasic

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