(57) In the [summary] [purpose] cutter equipment, to be able to safely without installation and replacement of the cutter is a simple injury. [Configuration] operating member 3 which is slidably supported in a predetermined direction 1, a base 35 of the cartridge 34 which is detachably attached to the operation member 31, a cutter 38 attached to the base 35 with the cutting edge 38a is oriented in the sliding direction of the operation member 31, the base 35 is movably provided along the sliding direction of the operating member 31 and a movable protective cover 39 to hide the retractable cutter 38, the movable protective cover 3 with respect to the base 35 Together to lock the movable protective cover 39 in a state in which hid the cutter 38 by preventing movement of 9, and a lock arm 40 to unlock the movable protective cover 39 when the base 35 is mounted on the operating member 31 equipped.
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