A citrus fruit juicer extractor of the type comprising: a hollow housing having an open upper section and a lower exit section, said hollow housing including at least an opening for each side of the housing; a squeezing device coupled in the internal part of said hollow housing, said squeezing device having at least one internal wall (44, 46) for vertically dividing the squeezing device in at least two sections; at least one sunken section formed from or at the intersection of each of the internal walls (44, 46), said sunken section being projected from the inside outwardly, from an upper section of each internal wall (44, 46) to a lower section in coincidence with the periphery of the squeezing device, said sunken section being coincident during their assembly, with the periphery of the openings of the hollow housing; and, a plurality of grooves for each sunken section to allow the passage of the juice of the citrus to be squeezed; at least one cutting element (35, 54, 56) placed transversely in the open upper section of the hollow housing, said cutting element (35, 54, 56) being coupled above the squeezing device for the reception and cutting of the citrus fruits; and, pressing means, said pressing means being located separately and above the hollow housing, said pressing means including at least two pressing elements which are located in an axial alignment with respect to each of the sunken sections of the squeezing device, said pressing means being operable with a downward or upward movement in such a way that, during its downward movement, said pressing means press the citrus on the cutting elements (35, 54, 56) by cutting the citrus in parts and introducing them to each one of the sunken sections of the squeezing device, said pressing elements pressing the cut sections of the citrus against said sunken sections of the squeezing device, passing the citrus juice through the plurality of openings and expelling it through the lower section of the hollow housing; and, during its upward movement, separating said pressing means from the hollow housing to allow the feeding of another citrus on the cutting element (35, 54, 56) in the upper section of the hollow housing. a hollow housing having an open upper section and a lower exit section, said hollow housing including at least an opening for each side of the housing; a squeezing device coupled in the internal part of said hollow housing, said squeezing device having at least one internal wall (44, 46) for vertically dividing the squeezing device in at least two sections; at least one sunken section formed from or at the intersection of each of the internal walls (44, 46), said sunken section being projected from the inside outwardly, from an upper section of each internal wall (44, 46) to a lower section in coincidence with the periphery of the squeezing device, said sunken section being coincident during their assembly, with the periphery of the openings of the hollow housing; and, a plurality of grooves for each sunken section to allow the passage of the juice of the citrus to be squeezed; at least one cutting element (35, 54, 56) placed transversely in the open upper section of the hollow housing, said cutting element (35, 54, 56) being coupled above the squeezing device for the reception and cutting of the citrus fruits; and, pressing means, said pressing means being located separately and above the hollow housing, said pressing means including at least two pressing elements which are located in an axial alignment with respect to each of the sunken sections of the squeezing device, said pressing means being operable with a downward or upward movement in such a way that, during its downward movement, said pressing means press the citrus on the cutting elements (35, 54, 56) by cutting the citrus in parts and introducing them to each one of the sunken sections of the squeezing device, said pressing elements pressing the cut sections of the citrus against said sunken sections of the squeezing device, passing the citrus juice through the plurality of openings and expelling it through the lower section of the hollow housing; and, during its upward movement, separating said pressing means from the hollow housing to allow the feeding of another citrus on the cutting element (35, 54, 56) in the upper section of the hollow housing.