the dispensing being effected by mechanical means

Increasing wheel adhesion > 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

Increasing wheel adhesion (wheels, wheel attachments or tyre attachments, designed for increasing traction B60B15/00, B60C; tyre constructions B60C; road surface conditioning to prevent slipperiness E01C) > Vehicle fittings for scattering or dispensing material in front of its wheels > the material being granular, e.g. sand (combined control of sanding apparatus and brakes of rail vehicles B61H) > the dispensing being effected by mechanical means