Pneumatic conveyor for small metallic pieces, particularly...

G - Physics – 07 – D

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G07D 9/00 (2006.01) B65G 51/02 (2006.01) G07F 9/00 (2006.01) G07F 17/32 (2006.01)

Patent

CA 2223026

A pneumatic conveyor (1) for small metallic pieces is described, characterised in that: several payment points (5) are connected to a single main conveyor line (2, 3); each payment point (5) is provided with an insertion unit (13) which is opened and sealed every time a coin passes through the main conveyor line (2, 3); one or more main conveyor lines (2, 3) are connected to each of a plurality of (air/coin) separator means (8, 9); and each line (2, 3) is in the form of a tube with a diameter (A) selected in accordance with the diameter (B) of the coins to be pneumatically conveyed so that the position of a coin momentarily stopped in the tube is unstable, thus causing it to oscillate. The invention is useful for example for conveying coins for payment points such as gaming machines and motorway tolls.

Convoyeur pneumatique pour petites pièces métalliques. Le convoyeur pneumatique (1) est caractérisé par le fait que: plusieurs bornes d'encaissement (5) sont connectées sur une même ligne principale (2, 3); chaque borne d'encaissement (5) est équipée d'un dispositif d'introduction (13) avec ouverture et fermeture étanche à chaque passage de pièces dans la ligne principale (2, 3); une ou plusieurs lignes principales (2, 3) sont connectées à chaque moyen faisant office de séparateur (air/pièces) (8, 9); chaque ligne (2, 3) est un tube dont le diamètre (A) est défini en fonction du diamètre (B) des pièces à convoyer pneumatiquement et ce, de manière à rendre instable la position dans le tube d'une pièce de monnaie qui se trouve momentanément à l'arrêt pour favoriser son oscillation. L'invention s'applique notamment au convoyage des pièces de monnaie pour bornes d'encaissement telles que machines à sous, péages d'autoroute.

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