Device For Moving In The Longitudinal Direction A Screw Shaft For Mixing Machines And Mixing Machine Equipped With Said Device

摘要

Device for moving in the longitudinal direction a shaft with screw rotationally driven by a motor, comprising at least one cylinder coaxial with said shaft and provided with at least one rotating piston rigidly connected to the shaft and able to produce a displacement in either direction of the shaft from a first retracted end-of-travel position into a second advanced end-of-travel position, and vice versa.