BLADE BREAKER FOR CUTTER KNIFE, CUTTER KNIFE HOLDER AND CUTTER KNIFE

摘要

PROBLEM TO BE SOLVED: To carry a cut fragment 29, gripping a blade breaker 8 and thrown away.;SOLUTION: In a blade breaker 8 provided in the holder of a cutter knife, a blade insertion clearance into which a blade 4 can be inserted is formed between opposing pinching faces 20 and 21 of pinching portions 18 and 19, and the blade 4 inserted between the blade insertion clearance can be broken by cutting edges 20a and 21a of the pinching faces 20 and 21. Distances PS and QS between pinching faces 20 and 21 are made changeable by providing relatively movably pinching portions 18 and 19, and the blade 4 can be held and kept by both pinching faces 20 and 21.;COPYRIGHT: (C)2001,JPO