Bolster spring
AssigneeHendrickson USA, L.L.C.
InventorsShawn D. Noble, Matthew J. Van Meter, Randy Joseph Zimmerman
Life of this patent
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Abstract
A vehicle suspension having a frame attachment portion attached to a saddle, first and second bolster springs mounted to spring mounts on an outboard side of the saddle and mounted on walls of a spring mount on an outboard side of an equalizing beam, and third and fourth bolster springs mounted to walls of a spring mount on an inboard side of the saddle and mounted to spring mounts on an inboard side of the equalizing beam, wherein upwardly extending flanges on the bottom of the first and second bolster springs are mounted to each other using a common fastener, and wherein upwardly extending flanges on the bottom of the third and fourth bolster springs are mounted to each other with a common fastener.
Claims12
A first bolster spring for a vehicle suspension comprising:
- a base plate having a flat bottom mounting surface;
- a top plate;
- elastomeric material positioned between the base plate and the top plate;
- a first flange having a bottom mounting surface upwardly extending from a first end of the base plate at an angle ½α;
- and
- one or more mounting holes positioned in the first flange;
- wherein the first flange is adapted for attachment to an upwardly extending flange on a second bolster spring, with a bottom surface of the first flange in a plane parallel to, and facing, a bottom surface of the flange on the second bolster spring, and wherein the first flange is adapted to receive a common fastener that extends through the one or more mounting holes in the first flange and one or more mounting holes in the flange of the second bolster spring.
Dependencies are inferred from the claim text.