Abstract: An element forming a suspension joint and torsion spring, characterized in that it comprises an outer tubular sub-frame, an inner tubular sub-frame and an intermediate connecting sleeve made from an elastomer material which is joined without any possible slippage of the outer and inner sub-frames; said elastomer sleeve comprises at least two cell structures extending along the circumference thereof, whereby the radial rigidity of the joint is reduced in a significant manner in at least a number of directions without significantly reducing the torsional rigidity thereof.
December 15, 2000
Date of Patent:
July 2, 2002
Compagnie Generale des Etablissements Michelin-Micheline