E.i. Dupont De Nemours and Company

Sebastien Thomasson

Peter Laszlo Szekely

Bryan Martin Morris

Bryan Morris

Provided herein is a jounce bumper () for mounting in a vehicle suspension system () comprising a shock absorber (), the jounce bumper () having a central bore () extending in an axial direction (A). The jounce bumper () comprises an elastically compressible bumper portion () comprising a plurality of convolutes stacked in an axial direction (A) of the jounce bumper (), each convolute comprising a crest () and a root (). A cross-section of the compressible portion () perpendicular to the axial direction (A) is non-circular, the non-circular shape being configured to provide a variable compression resistance in relation to an axial compression displacement (Cd) of the jounce bumper ().

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Saint-Julien Engenvois, Switzerland

Sebastien Thomasson