The invention relates to a juice extractor including an intermediate casing having side surfaces that define an upper inlet window and a lower outlet window, said casing including a transverse wall having a vertical section, an inclined section, and a lower vertical section arranged to define a step and, therebelow, a rear housing in which an electric motor is placed, coupled to a helical gear via an endless screw, the helical gear including a safety system allowing same to slip in the event of an overpressure gears on the rear surface of the transverse wall of the intermediate casing disposed in an ascending cascade configuration a rear lid that conceals or protects gearing and electric motor separate access ramps for grapefruits, oranges, lemons, each ramp including a pin which actuates a safety switch and gearing and squeezing devices (volute and bobbin) assembled on the faces of the intermediate casing.
