PURPOSE: To prevent damage to a work tool, cutter, etc., which is caused by the operation of moving the cutter to a cutting position, by a method in which, by the operation of a manual switch, the cutter is moved in which, by the operation of a manual switch, the then stopped, and, after the elapse of set time, moved again to the cutting position.
CONSTITUTION: By manually operating a cutting switch, a buzzer sounds to indicate the descending of a cutter 12 toward a cutting position. By releasing the cutting switch to return it to an original position, a photosensor 26 detects whether a draw-out mechanism 16 has moved under the cutter 12 or not. When the draw-out mechanism 16 is not positioned under the cutter 12, as illustrated in the upper figure, the buzzer stops, and the cutter 12 and a support frame 13 descend only a short distance from the position illustrated in the upper figure and then stop. After a short elapse of set time, the cutter 12 and the support frame 13 further descend to the cutting position to cut a wrapping sheet 1. After cutting, the cutter 12 and the support frame 13 are made to ascend to return to the position illustrated in the upper figure.
IWAKAWA TAKASHI
MIZOGUCHI TAKAO
MORITA MASAKI
KANAI YOSHIHIDE
ITO TSUKASA
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