Land vehicles – Wheeled – Running gear
Patent
1980-10-14
1982-12-07
Song, Robert R.
Land vehicles
Wheeled
Running gear
267 46, 267 19R, B60G 1104
Patent
active
043623182
ABSTRACT:
A vehicle suspension system including a mainspring connected to at least one axle of the vehicle, a hanger attached to the vehicle frame for retaining the mainspring while permitting vertical travel thereof within a predetermined range, and an auxiliary spring. A spring force multiplication mechanism connects the auxiliary spring to the mainspring so that the force exerted by the auxiliary spring is multiplied and applied to the mainspring, urging the mainspring toward the lower end of its travel range.
REFERENCES:
patent: 1558017 (1925-10-01), Kintz
patent: 1900497 (1933-03-01), Gitzendanner
patent: 2954970 (1960-10-01), Bernard
patent: 3194580 (1965-07-01), Hamlet
patent: 3420544 (1969-01-01), Dranes
patent: 3920264 (1975-11-01), Lafferty
patent: 4175772 (1979-11-01), Lampert
Cambria Spring Company
Song Robert R.
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