Patent ID: 7071425

Claim:
In a weighing machine for weighing portions of material, which weighing machine comprises a frame structure on which a central distributor, a plurality of linear conveyors and a plurality of scales are mounted, and wherein the linear conveyors are arranged around the central distributor and each is configured as a conveyor or transport duct suspended in relation to a counterweight by means of spring elements extending between the conveyor or transport duct and the counterweight in such a manner that the conveyor or transport duct is, by means of a vibrator therefor, caused to vibrate in a vibration pattern causing it to transport, during the vibration, material from the central distributor and radially outwards to the scales, the improvements characterised in that the counterweight for each conveyor or transport duct is the frame structure, the spring elements for each conveyor or transport duct being mounted directly on the frame structure.