Patent ID: 7678332

Claim:
A device for driving a series of bowls comprising: a series of bowls, each of said bowls comprising a flat-shaped body having a bottom and, opposite said bottom an opening located between two opposing edges extended outwardly at right angles with respect to said body by two respective shoulders provided with two respective protuberances, said shoulders having a shape of an isosceles trapezium having a major base which is integral with the bowl and two oblique edges; a film shaped in the form of a tape having two lateral borders parallel to a longitudinal axis these borders being provided with successive pairs of holes respectively formed on the borders, and with trapezoid cuts and teeth having oblique edges forming serrated profiles, each of said protuberances being engaged forcefully in the holes of one said pairs for removably fixing said bowl on said tape with said oblique edges of said shoulders extending in prolongation of oblique edges of said teeth, the teeth of the serrated profiles being hence extended by said shoulders; and a notched belt provided with notches which gear between the teeth of the serrated profile extending by said shoulders to ensure a driving with a centering and an indexing of the bowls.