A conveying unit for containers in filling machines

Transport unit containers in filling machines wherein the containers (3) are held firm by a plurality of clamps (36), each comprising a support member (38) and a pair of jaws (37) connected to the respective element support (38) by means of corresponding pins (41), the conveying unit further comprising at least one segment (47) of elastic material separately connected by one end (49) to at least one of the two jaws (37) clip thanks to the action of means (50) of jaws and serving to maintain the jaws (37) in position to grasp, characterized in that said fixing means of jaws (50) comprise a ball ( 49) formed integrally with the segment (47) of elastic material and a seat (44) by at least one of the two jaws of the pliers (37), which serves to accommodate the type end patella (49).