Patent ID: 8074783

Claim:
Device for positioning an article ( 2 ) to be wrapped by a machine comprising: a support body ( 3 ) centrally fixed on a vertical rotation shaft ( 4 ), the device ( 1 ) being equipped with at least one pliers means ( 5 ) connected to the support body ( 3 ) to turn together with the support body ( 3 ), the at least one pliers means provided with at least two jaws ( 6 , 7 ) opening means ( 8 ) connected to at least one of the jaws ( 6 , 7 ) for moving the at least one pliers means to hold and to release the article ( 2 ), the at least one pliers means ( 5 ) being connected to the support body ( 3 ) by means of respective rotation means ( 9 ) for the rotation of said at least one pliers means ( 5 ) and of the article held thereby, around an axis almost radial in respect to the support body ( 3 ), such that when the article is in a predetermined inlet position facing the at least one pliers means ( 5 ), the article is positioned between opened jaws ( 6 , 7 ) of said pliers means, said jaws hold the article following closure of the at least one of the jaws ( 6 , 7 ) operated by the opening means ( 8 ); the support body ( 3 ) and the rotation means ( 9 ) rotate the at least one pliers means ( 5 ) and the article ( 2 ) respectively around a vertical axis and a radial axis of the support body until the article reaches a predetermined position and a predetermined outlet orientation; such that when said position and orientation are reached, the opening means ( 8 ) open the at least one of the jaws ( 6 , 7 ) releasing the article, and, wherein at least one first jaw ( 6 ) is hinged to one end of a shaped arm ( 14 ) by a first pivot ( 16 ), an opposite end of the shaped arm ( 14 ) forming a first joint ( 17 ) with a second joint pin ( 18 ) provided on an external end of a rod means ( 19 ), the rod means axially driven by first cam means ( 20 ).