Bertin & Cie

Jean-Louis Elie Pichon

Jean-Pierre Volat

Thin articles such as letters are conveyed over a supporting fluid layer formed against a track surface along which they move. This layer is built up by jets issuing from nozzles located on both sides of the track surface and opening flush with the latter. The nozzles are oriented towards the center line of the track with somme inclination in the direction of motion of the articles, in order that the velocity of the jets presents a longitudinal component parallel to this direction and a transverse component pointing towards the center of the track.

Conveyor device for letters, cards or other thin article

Letters or like thin articles moving flat over a horizontal conveyor track are to be switched selectively towards either track of a fork. Such switching is controlled by intermittent pneumatically operating actuator means acting in the region of a gap in the track at the end of an incoming section, in order to deflect the articles away from their horizontal path and downwardly, these means cooperating with a physical surface which is inclined relatively to this path and towards which the articles are swung under the pneumatic action. This surface is composed of a stationary plate having a slanting operative face exposed to said pneumatically operating actuator means. The device is useful for the automatic postal sorting of letters.

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Marseille, France

Jean-Louis Elie Pichon