Patent ID: 6186486
Filing Date: 2001-02-13
Classification: B60G,F16F

Abstract:
A damping module comprising a hydraulic cylinder with an upper end cover, a piston rod slidably extending from the upper end of said hydraulic cylinder, a jounce bumper mounted upon said piston rod and a jounce bumper plate, the bumper plate comprising a disk having a central bore therethrough shaped to receive said piston rod, said disk being formed to have a plurality of arches extending about a periphery thereof, each of said arches being shaped to form a gap between said jounce bumper plate and said hydraulic cylinder sufficient to facilitate the expulsion of moisture and contaminants from the upper end of said hydraulic cylinder during a compression of said damping module, wherein said arches increase in curvature from said central bore to said periphery radially along said disk.