| 摘要 |
The present invention is provided with: a writing instrument body (H) in which a pen tip (5) is supported in a distal end part; an ink cartridge (2) screwed into the writing instrument body (H) and capable of storing ink therein; a cover (3) for covering the ink cartridge (2), the cover (3) being screwed into the writing instrument body (H), and an interlocking mechanism (R) for transmitting, to the ink cartridge (2), a screwing force exerted when the cover (3) is screwed into the writing instrument body (H), so as to also screw the ink cartridge (2) into the writing instrument body (H); and the interlocking mechanism (R) is configured so that a separation force exerted to separate the cover (3) from the writing instrument body (H) is not transmitted to the ink cartridge (2). |
