Rear bogie-type suspension
AssigneeSuspensys Sistemas Automotivos Ltda.
InventorRemi Pizzeta
Life of this patent
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Abstract
The present patent of invention refers to a rear bogie-type suspension used preferably in trucks, having a pivoting bearing (1) disposed on upper part of the spring pack (2), positioned between the two axles and laterally on each side of the chassis (5), said pivoting bearing (1) comprised of an anchor pin (3) fastened to a hanger (4) and to the chassis (5), in a robust manner to withstand the extreme strains to which this kind of suspension is normally submitted, also favoring assembly conditions, weight reduction, reduced consumption of materials and labor, also having an axle rebound stop (6) in combination with spring pack (2) in order to provide greater safety and durability to its components.
Claims7
Rear bogie-type suspension having spring packs, upper and lower reaction rods for the longitudinal linkage of the axles, supports for the accommodations of the reaction rods on the axles and on the chassis, and other suspension components, comprising:
- a pivoting bearing comprising an anchor pin, surrounded by semi-bearings and semi-bushings, fixed together by bolts, wherein said semi-bearings fix and compress the semi-bushings, and the pivoting bearing is fastened to a spring pack by spring clamps;
- an axle rebound stop in combination with the spring pack, fastened to one of the vehicle axles, which comprises a spring bracket, comprised by a base and two side plates, which are interconnected by way of a stop pin, which works as a limiter for at least one leaf spring which is provided with a hook at an end of the at least one leaf spring, further having a set comprising an elastomer cushion located between a removable wear plate and a metallic plate, said set located under an end of the spring pack and on the spring bracket;
- and
- wherein said pivoting bearing is disposed and fastened on an upper part of the spring pack and to the anchor pin, which is fixed to and housed in a central hanger and, both the anchor pin and the central hanger fixed laterally to the chassis by way of bolts.
Dependencies are inferred from the claim text.