Motor vehicles – Compensating devices
Patent
1980-01-31
1981-08-11
Pekar, John A.
Motor vehicles
Compensating devices
180233, 267 52, 267 66, B60G 1110
Patent
active
042829453
ABSTRACT:
A combination traction bar chassis lift and suspension modifying device for four-wheel drive off road vehicles having leaf spring suspensions is provided comprising a longitudinally extending beam adapted to be clamped between the vehicle leaf spring and the axle of the vehicle for lifting the chassis of the vehicle. The beam comprises a plurality of longitudinally extending flexible leaf spring members. One end of the beam engages the vehicle leaf spring preventing wrap-up of the vehicle axle about the vehicle leaf spring during rapid acceleration or deceleration and stiffening the spring rate of the vehicle leaf spring during large suspension deflections. The beam is provided with means for engaging the vehicle leaf spring comprising a bifurcated member secured to the beam, the bifurcated member having first and second upstanding ends encompassing the sides of the vehicle leaf spring and first and second vertically spaced elastomer rollers for encompassing the top and bottom of the vehicle leaf spring. The vertically spaced rollers encompassing the vehicle spring facilitate longitudinal and vertical movement of the vehicle leaf spring during suspension deflections and thus provide an unmodified spring rate preserving the conventional ride of the vehicle under light load conditions.
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patent: 3788629 (1974-01-01), Johnson
patent: 3897844 (1975-08-01), Chevalier
Grand Rapids Spring Service Co.
Pekar John A.
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