B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
B60B39/00—Increasing wheel adhesion
B60B39/02—Vehicle fittings for scattering or dispensing material in front of its wheels
B60B39/04—Vehicle fittings for scattering or dispensing material in front of its wheels the material being granular, e.g. sand
B60B39/06—Vehicle fittings for scattering or dispensing material in front of its wheels the material being granular, e.g. sand the dispensing being effected by mechanical means
Dispositif tendeur pour l'element souple, tel qu'une chenille, du systeme de roulement d'un vehicule ou d'une machine de forte puissance.