Improvements to the subject of main patent No. 8801843 for improvements to machines for cleaning sand, removing stones and the like

摘要

Between the bands 4a and 4b of the mesh 4 it passes between the rollers 14 and 15 mounted on a bent rocker 11 with various stable positions about its shaft 12. The fluodynamic cylinders for actuating the arms 16 for raising the hopper 20 are articulated between a lower support 23 which forms part of the frame 1 and lugs 25 of one of the arms 16 on each side. IMAGE