Patent ID: 7278451

Claim:
A machine for filling containers ( 2 ); the machine comprising a carousel conveyor ( 5 ) having a vertical axis ( 6 ), and in turn comprising a number of filling heads ( 7 ), and an equal number of seats ( 8 ), each of which houses a respective container ( 2 ), is associated with a respective filling head ( 7 ), and is connected to the carousel conveyor ( 5 ) via the interposition of a weighing device ( 9 ) supported in a fixed position by the carousel conveyor ( 5 ); each seat ( 8 ) comprising a frame ( 10 ), a gripper ( 11 ) fitted to the frame ( 10 ) and for engaging a top portion ( 4 ) of a respective container ( 2 ), a plate ( 12 ) fitted to the frame ( 10 ) and defining a horizontal supporting surface for the bottom of the respective container ( 2 ) and an adjusting device ( 13 ) associated with the respective frame ( 10 ) and for adjusting the vertical position of the plate ( 12 ), while maintaining the gripper ( 11 ) in a given vertical position close to the corresponding filling head ( 7 ), wherein each weighing device ( 9 ) comprises an articulated parallelogram ( 36 ) defined by two rocker arms ( 37 ) hinged at one end to the carousel conveyor ( 5 ). and at the other end to a connecting rod ( 38 ) supporting the relative frame ( 10 ); a load cell ( 39 ) being connected on one side to the carousel conveyor ( 5 ), and on the other side to the connecting rod ( 38 ).