Importance

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Abstract

In an apparatus for picking up flat folded tubular blanks from a magazine and for moving the blanks to an erecting station, a horizontal transmission shaft transmits a rotational movement about a first articulation axis to a functional arm hinged with one side to a terminal portion of the transmission shaft. Another side of the functional arm is hinged to an arrangement control mechanism for controlling arrangement of the functional arm about a second articulation axis. The functional arm is also operated into rotation about the first articulation axis between a position in alignment with the functional arm, and a square position arranged at 90 degrees with respect to the functional arm, and vice versa. A pick up arm is connected to arrangement control mechanism and carries suction cups for picking up a flat folded tubular blank through the open bottom of the magazine. The arrangement control mechanism is moved with respect to the second articulation axis for operating the apparatus, beside the operation of the functional arm affected by the transmission shaft, between a picking up station and an erection station for erecting the tubular blank, and vice-versa.

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First Claim