| 摘要 |
<p>[PROBLEMS] To easily attach/detach a cartridge to/from a body. [MEANS FOR SOLVING PROBLEMS] A cartridge installation part (18) for installing the cartridge (34) is formed in an upper side body (12), a connector (32) for the body is disposed in the cartridge installation part (18), and a connector (44) for the cartridge is disposed in the cartridge (34). When the cartridge (34) is rotated to a cartridge installation part (18) side about a cartridge installation part end part (18a) as a virtual rotating axis, the connector (44) for the cartridge is gradually connected to the connector (32) for the body following the rotation of the cartridge (34).</p> |
