Vehicle wheel suspension of the semi-trailer type

A vehicle wheel suspension of a semi-trailer type, the vehicle wheel suspension comprising:

• a wheel carrier;
• a first trailing arm extending from the wheel carrier in an orientation approximately in a longitudinal direction of the vehicle;
• a second trailing arm extending from the wheel carrier approximately in a direction of an angle bisector between the longitudinal direction of the vehicle and a transverse direction of the vehicle;
• wherein ends of said first and second trailing arms comprise trailing arm bearings by which the trailing arms are supported on a vehicle chassis, said ends determining a substantially horizontal instantaneous axis for the wheel carrier relative to spring jounce and rebound motions of the vehicle chassis;
• wherein the wheel carrier is slightly pivotable about a toe axis in a toe-in direction under the effect of braking forces or side forces when driving through a curve on an outside wheel mounted on the wheel carrier due to an operative configuration of at least one of the trailing arms and an operative elastic configuration of at least one of the trailing arm bearings;
• a support arm securely connected to the wheel carrier, the support arm extending over a defined distance adjacent to and substantially in parallel with the second trailing arm, the support arm being supported on the second trailing arm in an area between a wheel carrier side end of the second trailing arm and a vehicle chassis side end of the second trailing arm via a support;
• wherein the support is operatively configured to be softer in a substantially horizontal direction than in a substantially vertical direction;
• and
• wherein an operative configuration of at least one of the second trailing arm and the support arm allows a slight pivot motion of the wheel carrier about the toe axis.