Patent ID: 6953171

Claim:
An apparatus for automatically paying out a free end portion of rolled paper, comprising: a roll shaft which rotatably supports rolled paper thereon, a pair of feed rollers for continuously paying out a free end portion of the rolled paper, a driving motor for rotating the pair of feed rollers, a control unit for automatically controlling the portion of the rolled paper which has been paid out to a position beyond the pair of feed rollers, in such a manner that the paid-out portion of the rolled paper is further paid out by a length at a time corresponding to that of one unit of use thereof, a cutter for automatically cutting the portion of the rolled paper which has been paid out from the feed rollers to a length corresponding to that of one unit of use thereof, a paper receiver adapted to fold the cut portion of the rolled paper into a cross-sectionally zigzag state by utilizing the weight of the cut portion of the rolled paper, and a paper receiver width regulating unit which adjustably regulates the width to which the cut portion of the rolled paper is folded by the paper receiver, wherein the paper receiver width regulating unit includes front walls of the paper receiver which are provided forwardly slidably along movable guide members, wherein an opened portion is provided between the front walls of the paper receiver, wherein the cutter is provided in a cartridge with a pair of blades for cutting a free end portion of the rolled paper, the cartridge being detachably provided with respect to a cutter motor for actuating the pair of blades in the cartridge, wherein the roll shaft is provided with flanges, inclined portions a diameter of which varies continuously being provided between the flanges and a side surface of the roll shaft, wherein the paper receiver width regulating unit is horizontally adjustable so as to regulate the width of folded sections of the rolled paper, and wherein the cartridge is disposed under the pair of feed rollers and the cartridge is configured in the shape of a rectangular box, which includes the pair of blades, the pair of blades including a fixed blade and a movable blade therein, the movable blade being connected to the cutter motor disposed inside a case of a driving unit, the cartridge having a slit on each of an upper surface and a lower surface, through which the rolled paper passes for output, the cartridge being detachably disposed with respect to the case of the driving unit, being supported by the case with a locking projection provided on the side of the cartridge locked by a detachable lever provided in the case, the detachable lever being rotatably disposed around a pivot and a locking portion for locking the locking projection on the side of an operating portion, an extruding portion being disposed for pushing out the cartridge when the detachable lever rotates around the pivot on the side of the detachable lever opposite the operating portion.