System for actuating the unloading mat in switching machines

B - Operations – Transporting – 65 – G

Patent

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Details

B65G 47/34 (2006.01) B65G 17/34 (2006.01) B65G 23/24 (2006.01)

Patent

CA 2234929

A device is described for actuating the unloading mat in switching machines of a type comprising means capable of engaging a supporting roller for the said mat, so as to control its rotation and effect the unloading of the transported object during the forward motion of the trolley holding said mat. Said means include a rack capable of engaging a sprocket solidly affixed to the shaft of one of the said mat rollers, and the said rack is mounted on a support subjected to the action of eccentric devices designed to govern the shifts from a position of rest to one of engaging with the said sprocket. According to a feature of the invention, said rack is mounted on said support with the capability of performing small shifts against elastic devices, along a direction parallel to the direction of the trolley's forward motion.

Dispositif de mise en action de tapis de déchargement dans des machines de transfert conçues pour qu'un dispositif engage un rouleau de soutien du tapis de manière à commander sa rotation et à effectuer le déchargement de l'objet transporté au cours du mouvement vers l'avant du chariot soutenant le tapis. Le dispositif utilisé fait appel à une crémaillère pouvant engager un pignon de chaîne solidement fixé à l'arbre de l'un des rouleaux du tapis, cette crémaillère étant montée sur un support soumis à l'action de mécanismes à excentrique servant à gouverner les déplacements entre une position de repos et une position d'engagement avec ce pignon de chaîne. Une caractéristique de cette invention repose sur le fait que la crémaillère, montée sur le support, est en mesure d'effectuer de petits déplacements contre des dispositifs élastiques et dans une direction parallèle à celle du mouvement de déplacement du chariot.

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