Device for processing strips of forms

B - Operations – Transporting – 65 – H

Patent

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Details

B65H 27/00 (2006.01) B65H 20/02 (2006.01)

Patent

CA 2373321

The device (1) for processing at least one continuous sheet of forms by means of controlled or clocked advancement of the continuous sheet of forms (B1) has at least one guide (12) for the web extending towards a cross-wise separating device (11) therefor. The device comprises a mechanism (17; 162) for controlling the advancement of the web. The mechanism for advancing the web has a driven roller (182) for each continuous sheet, extending perpendicularly to the working direction over the working width of the device and cooperates with at least one pressing device (192), i.e., at least one non- driven idling roller or several of such rollers, in order to advance the web. The driven roller has a continuous main shaft (20) which is joined on the ends thereof to a drive for rotation of the continuous main shaft. At least one pair of cylindrical bushings (21; 22) which can rotate around said main shaft and interact with each other by means of a differential gear (24) are borne on the main shaft. (Fig.2)

L'invention concerne une installation (1) de traitement d'au moins une bande de formulaires par avancement continu ou par acoups contrôlé de la bande de formulaires (B1). Cette installation a au moins un guide (12) s'étendant jusqu'à un dispositif de séparation transversal (11) et destiné à la bande de formulaires. L'installation possède un dispositif (17; 162) de commande de l'avancement de la bande de formulaires. Le dispositif d'avancement de la bande de formulaires a pour chaque bande respectivement un rouleau entraîné (82) qui s'étend perpendiculairement au sens de travail sur la largeur opérationnelle de l'installation et qui coopère avec au moins un dispositif de pression (192), p.ex. au moins un rouleau libre non entraîné ou plusieurs de ces rouleaux, pour l'avancement de la bande de formulaires. Le rouleau entraîné a un axe principal continu (20) qui n'est relié qu'à une de ses extrémités (201) avec un mécanisme d'entraînement en rotation de l'axe principal continu. Cet axe principal porte au moins une paire de douilles cylindriques (21, 22) pivotant autour d'un axe principal, ces douilles étant mutellement en liaison active par un engrenage différentiel (24).

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