| 摘要 |
PROBLEM TO BE SOLVED: To improve set work efficiency when replacing roll paper, by carrying the roll paper without looseness, even in braking and unwinding operation in intermittent carrying.SOLUTION: This roll paper driving device includes support rollers 11a and 11b for supporting a core pipe 21 of rolling paper in the core pipe 21, a driving roller 12 for imparting driving force in the direction for winding the paper while pressurizing the core pipe 21, a driving force transmission mechanism 24 for rotating the driving roller 12 and a stay for installing the support roller 11a. The driving roller 12 is arranged inside the core pipe 21 and in a triangle of connecting the support rollers 11a and 11b and the center of the core pipe 21, and vertically moves or rotates a driving side pressurizing arm 18A for driving the driving roller 12. |
