Spring devices – Vehicle – Lever and nontorsion spring
Patent
1992-05-14
1993-10-12
Butler, Douglas C.
Spring devices
Vehicle
Lever and nontorsion spring
267 41, 267 44, 267260, 267243, 267262, 280699, 280718, 280688, B60G 1102
Patent
active
052518868
ABSTRACT:
A semi-elliptical spring suspension system is provided in conjunction with a trailing arm and the suspension system may be readily mounted from the longitudinal side members of a vehicle frame. The suspension system semi-elliptical spring comprises a composite spring whose spring rate increases dramatically as the load on the spring is increased and the suspension system is constructed in a manner which isolates the semi-elliptical spring from twisting forces and wind up torque.
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