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Filling machine for stuffing of plastically deformable masses

Image Number 3 for United States Patent #3997941.

The invention relates to a filling machine for stuffing of a plastically deformable mass such as baked sausage material using a filling pump which, per a unit angular displacement conveys equal amount of filling masses and is coupled to common drive shaft by two gear trains, at least one of which has an intermittently-driven output member on a periodically variable transmission ratio. The machine includes a first differential gear train with three coupling connections, one each of the latter coupling connections are connected to the first coupling connection of one of the gear trains and the common drive shaft respectively, while the second coupling connections of the two gear trains are couplable to each other.

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