Roll paper feed device for printing machine

B - Operations – Transporting – 41 – J

Patent

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Details

B41J 15/04 (2006.01) B65H 23/08 (2006.01)

Patent

CA 2452659

1. Device (1) for feeding roll paper for printing machine (2), comprising a cradle (3) equipped with lateral flanges (4), means (5, 7) under the cradle for supporting a freely rotating paper roll (6) when the free end of the paper tape (10) is subjected to traction (9), means of braking (13) the rotating roll (6) solidary with the cradle and presenting at least one elastic support organ (14) against one flank of the roll, which organ comprises at least one elastically deformable arm (19) solidary with the cradle and one salient zone (16) situated at the free end of the arm and engaged through an opening (17) of the flange and salient in relation to the interior face of the latter; the salient zone is diamond shaped salient with a flat support surface (18) surrounded peripherally by an inclined surface (24, 25) proper to slide on the flanks of the roll when the latter is inserted in the cradle.

1. Dispositif (1) d'alimentation en papier en rouleau pour machine imprimante (2), comprenant un berceau (3) muni de flasques latéraux (4), des moyens (5, 7) en bas du berceau pour supporter un rouleau de papier (6) à libre rotation lorsque l'extrémité libre du ruban de papier (10) est soumise à une traction (9), des moyens de freinage (13) du rouleau (6) en rotation solidaires du berceau et présentant au moins un organe (14) d'appui élastique contre un flanc du rouleau, lequel organe comprend au moins un bras (19) élastiquement déformable solidaire du berceau et une zone saillante (16) située à l'extrémité libre du bras et engagée à travers une ouverture (17) du flasque et en saillie par rapport à la face intérieure de celui-ci ; la zone saillante est en forme de pastille saillante avec une surface d'appui (18) plane entourée périphériquement d'une surface inclinée (24, 25) propre â glisser sur les flancs du rouleau lorsque celui-ci est introduit dans le berceau.

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