Patent ID: 8733746
Filing Date: 2014-05-27
Classification: B60G,F16F

Abstract:
1. A vehicular suspension enhancer for installation in a space between the axle and frame of a vehicle comprising: a spring formed by a hot casting process consisting essentially of a cellular polyurethane elastomer said spring having a top end and a bottom end, both of said ends having at least one threaded aperture for engaging a respective threaded stem of a bolt or screw; said spring made from at least one isocyanate mixture and a polyol selected from the group consisting of polyether polyol, polyester polyol, or a combination thereof; with water used as a blowing agent during the hot casting process to achieve a density for said spring of between 0.35-0.60 g/cc; a pair of end plates; each end plate bonded to a respective side of said spring; and each end plate further having an aperture for alignment with a respective said threaded aperture; and, where said spring can be compressed 70% and stretched to 130% of its unstressed length when one end plate is mounted to the frame and the other end plate is mounted to the axle.