| 摘要 |
The device is featured by a combination of: lateral slideways (5d-5e) taking with backlash, rods (26d-26e) integral with supporting means (26) for the rolls; articulated supporting means (10) to suspend the stand-by roll (R2) in a waiting position by its rods (26d-26e); articulated means (8) for hooking and taking pressing rods (26d-26e) of the roll in use (R1) on a drum (1) for driving of the said roll and cutting manually pulled web; a first connecting rod (12) between means (8) and (10) is mounted so that the said means can be separated or brought together by crossing each other; a second connecting rod (18) hinged with substantial backlash on the hooking means (8), and also articulating on the end of a lock (19) retaining the stand-by roll (R2); safety means locking at least in one rotation direction, the drum (1) during use or refilling. |
