Abstract: Automatic slitter rewinder machine which includes a plurality of pairs of core-holding frames for releasably mounting a core therebetween and for winding up on the cores slit narrow web sheets to full rolls and automatic delivery apparatus for cooperating with the pairs of core-holding frames after winding-up to conduct a series of automatic roll changing steps for the next winding. The pairs of core-holding frames are suspended to be slidably movable. The automatic delivery apparatus is disposed below the pairs of core-holding frames and has a roll delivery carriage including a wrapping device for cut trailing ends of unloaded full rolls, a carriage for transferring the full rolls outside the machine, a conveyor for carrying and discharging the rolls, and a lifter for the conveyor, the wrapping device having swing rollers capable of moving toward and away from each other so as to conduct the wrapping and to carry the full rolls onto the conveyor.