Screws spreaders of activating and spreader of activating a screw applicable

摘要

Spreader of activating or the like comprising a chassis (2), a set of wheels (4), a body (6) for receiving the product to be spread provided with a moving bottom (8), a spreading device (10) comprising a horizontal spreading (18) is composed of two half - screw (20, 22) to be reversed, coaxial, provided with fingers of the projection (24), each having a projecting part (25) with respect to the edge of the half - corresponding screw. At least in the end regions of the screw, the projecting part (25) of the fingers (24) comprise the edges (30) is folded towards the outside ends of the respective half - screw (20, 22).