Juicer and Juice Extraction Screw Thereof

A juicer comprising:

• a housing having a top and including a periphery and a support on a bottom;
• a filtering mechanism disposed in the housing and including a plurality of longitudinal ridges on an inner surface, at least one screen disposed between two adjacent ones of the ridges, and at least one annular flange on an outer surface;
• a rotating mechanism disposed in the filtering mechanism including an annular element on a bottom edge, the rotating mechanism being coupled to and rotatable about a rotating axis by an electric motor, the rotating mechanism including a bolt portion containing a helical screw blade on its periphery, a top surface of the helical screw blade and a top of the rotating mechanism are joined at a free end at an eccentric position relative to the rotating axis;
• a feed chute disposed on and engaging the periphery of the top of the housing;
• wherein the annular element of the rotating mechanism is rested upon the support of the housing, the at least one annular flange of the filtering mechanism is rested on the support of the housing, the electric motor is disposed in the support of the housing.