| 摘要 |
There is provided a stapler in which a cartridge can be mounted on a stapler body in a stable manner without wobbling, and fixing of the cartridge can be released in synchronization with opening operation of a door member. A stapler has a cartridge which is provided in a cartridge holding chamber of the stapler body in such a way that the cartridge can be pulled out from the cartridge holding chamber, and a locking shaft biased upward by an elastic member is provided in the lower portion of an opening in the cartridge holding chamber. The cartridge has a locking projection and a door member. When the cartridge is pushed into the cartridge holding chamber and held therein, the locking projection is locked with the above-described locking shaft, and, furthermore, the door member is biased in such a way that the opening of the cartridge holding chamber is closed by the above-described locking shaft. When the door member is opened, the locking shaft can be detached from the locking projection by the door member.
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