Paper magazine

G - Physics – 03 – B

Patent

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Details

G03B 27/52 (2006.01) B65H 16/00 (2006.01) G03B 27/58 (2006.01)

Patent

CA 2125471

A paper magazine is proposed which is capable of feeding and rewinding a web of paper automatically without forming any indentation or causing meandering. A pair of press rollers and a paper detection roller are provided on a feed path extending from the core of a paper roll in the paper magazine case to the paper outlet. Also, the cam plate and the engaging roller are provided to control the movement of the press rollers toward and away from each other according to the position of the paper detection roller. The transmission of driving force to the core of the paper roll and the press rollers is changed over according to the position of the paper detection roller. The press rollers are pressed against the paper only when feeding and rewinding it.

Chargeur de papier conçu pour alimenter et rembobiner automatiquement une bande continue de papier sans former d'entaille ni provoquer de fissure en dents de scie. Une paire de rouleaux de presse et un rouleau de détection du papier font partie d'une voie d'alimentation allant du mandrin du rouleau de papier placé dans le boîtier du chargeur et la sortie du papier. Font également partie de ce dispositif un plateau-came et un rouleau d'engagement permettant de commander le mouvement des rouleaux de presse pour les rapprocher et les éloigner l'un de l'autre d'après la position occupée par le rouleau de détection du papier. La transmission de la force d'entraînement au mandrin du rouleau de détection du papier et aux rouleaux de presse varie d'après la position du rouleau de détection du papier. Les rouleaux de presse s'appuient contre le papier uniquement lorsqu'ils l'alimentent et le rembobinent.

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