Patent attributes
A self propelled truck having as support chassis or frame (2), two pairs of wheels (3) arranged on opposite sides of support chassis (2), a steering device (4) and driving means for a pair of wheels (3) the support frame (2) comprises two longitudinal sides spaced from one other, each of which being supported by a respective pair of wheels (3), at least one pair of transverse members (13, 14) designed to rigidly bridge the two longitudinal sides of the truck and to delimit therewith a longitudinal tunnel, at least one lifting-lowering shaft (15) for a bin (7) between the longitudinal sides of the truck, lifting-lowering means (27, 48) carried by the support chassis (2) at each lifting-lowering shaft and displaceable between a fully lowered position and a fully lifted position, and removable engagement means (20, 25; 51, 52; 51a, 52a; 55) for a bin (7), which is rigidly displaceable with the lifting-lowering means (27; 48) and designed to engage a bin (7) on the ground at a lifting-lowering shaft and to hold it constrained to the lifting-lowering means (27; 48), driving means for the lifting-lowering means (27; 48) and the removable engagement means (20, 25; 51, 52; 51a, 52a; 55), and a control unit (35).
