A unit for applying printed slips to packets in packaging machines

Unit for applying printed heels packets in packaging machines, comprising first means (11) by which to feed beads (3) obtained as sorted individual elements in a stack, or second means (12) through which feed heels (3) obtainable from cuts made in a continuous strip (20), said first and second feed means (11 and 12) being mutually interchangeable; and a universal pickup device and application (9) installed permanently in the machine (1) such taking heels (3) with the same facility or the first means or the second means (11, 12) making station (10); characterized in that said pickup device and application (9) includes: at least one set of outlet (31) capable of moving between the intake station (10) and a release position (39), movement generated according to a predetermined law of motion and described about an axis (37) arranged parallel even reference plane (25) of the intake station (10); and an applicator assembly (40) which cooperates with the set of jack (31), rotatable about a respetivo axis (42) extending parallel to the axis (37) of rotation of the joint socket (31) and so on able to move between the release position (39) and a position (43) in which a heel (3) is applied to a respective packet (4).