Lifter in anodized aluminum profiles and steel base, the motor is made of mechanical groups of double traction and return gears, clutch, drive, double chain with gearmotor (lifter up or down), double chains with constant tension springs, guides in polidur, racks put on chains, adjustable leveling pads, safety guards in galvanized technical grid, shaped sheet and polycarbonate; the automated loading/unloading is the passage of racks on inclined channels with idle rollers.