Supporting side for a hose-winding drum for a device for winding flexible hose

A supporting side for a hose-winding drum for a device for winding flexible hose, having a shape substantially of a parallelogram with substantially parallel upper and lower peripheral edges and upwardly extending front and rear peripheral edges defining a flat body with two major surfaces, said body comprising a plurality of ribs parallel to each other and to said upper and lower peripheral edges, a succession of slots between each pair of said parallel ribs, said slots being elongated parallel to said ribs and having edges connected to each other and to said ribs by stiffening ribs, said body further comprising a first upwardly open seat arranged in said upper edge and provided with first coupling means for the introduction and connection of a respective substantially vertical end of a U-shaped handle tubular element, a second frontally open seat arranged at a lower end of said front edge and provided with second coupling means for the introduction and connection of a respective substantially horizontal end of a U-shaped base tubular element, a first passing-through hole formed in the body for rotatably accommodating a hub of a hose-winding drum and a second passing-through hole formed in the body provided with third coupling means for accommodating and connecting a wheel supporting shaft.