Additional spring unit comprises a cylindrical damping element consisting a of material based on polyisocyanate polyaddition products, and incorporating an external groove and a raised section

摘要

The additional spring unit comprises a hollow cylindrical damping element (i) consisting of a material based on polyisocyanate polyaddition products, and incorporating on its outer surface an annular groove (vi) and a raised annular section (vii). The detailed geometry of the unit is specified by internal and external diametral and axial dimensions, angles and rounding radii of corner elements.