| 摘要 |
In a cutter that is used for bale packaging in the distribution industry, a cutter blade where a plurality of cutting lines are carved. If the cutting edge of the cutter blade becomes dull, the end of the cutter blade is broken off at the cutting line. The broken portion of the blade is considered a dangerous waste. However, solution to avoid the dangerous has not been considered. A cutter of the present invention includes a cutter blade which has a cutting edge, a pivot hole, locking notches, a gripper in which a pivot shaft is fitted into the pivot hole to perform the pivoting, a locking chamber which is formed in the gripper, a locking button having a locking protrusion which protrudes in the locking chamber, a coil spring which is disposed in the locking button, a sharpener main body which includes a diamond sharpener and a finger setting part for insertion and drawing, and a sharpener receiving chamber which is formed to receive the sharpener main body while the finger setting part for insertion and drawing is exposed. The cutting edge is made of titanium sintered material in which diamond particles having a particle size of 100 µm or less are arranged in a line.
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