Spring devices – Vehicle – Compound
Patent
1989-04-10
1990-04-24
Butler, Douglas C.
Spring devices
Vehicle
Compound
267 41, 267 45, 267 48, 267 52, 280712, 280718, B60G 1102
Patent
active
049193996
ABSTRACT:
A vehicle suspension system includes an elongate dual leaf spring assembly mounted at each end thereof to a vehicle frame member and which is adapted to be engaged over an axle of the vehicle at an approximate midpoint along the length thereof. A brake torque reaction beam comprising a thick, planar half leaf spring member has one end thereof engaged between the leaf spring assembly and the axle. The other end of the reaction beam member extends rearwardly away from the midpoint of the leaf spring assembly a predetermined distance which is slightly less than to greater than the distance the leaf spring assembly extends rearwardly. In a preferred embodiment, an air bag is suspended from the vehicle frame member and interposed between the frame member and the leaf spring assembly at the approximate midpoint thereof and is engaged to the leaf spring assembly.
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Leitzman Noel E.
Selzer Robert J.
AuBuchon F. David
Butler Douglas C.
Navistar International Transportation Corp.
Sullivan Dennis K.
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