| 摘要 |
A toner box for being detachably mounted in a developing unit of an image-forming device, includes: a main body; a shutter; a shutter cover; and a toner seal. The main body is configured to accommodate toner therein and has a main-body-side communication through-hole, through which an interior and an exterior of the main body communicate. The shutter is disposed so as to be capable of moving between an open position in which the shutter opens the main-body-side communication through-hole, and a closed position in which the shutter closes the main-body-side communication through-hole. The shutter cover is configured to cover part of the shutter. The shutter cover has a cover-side communication through-hole at a position corresponding to the main-body-side communication through-hole to allow communication of toner through the main-body-side communication through-hole. The toner seal is configured to be disposed between the main body and the shutter and surround a perimeter of the main-body-side communication through-hole when the shutter is in the closed position. A leading edge of the shutter defined in a closing direction, in which the shutter is moved from the open position to the closed position, is positioned on an upstream side of the main-body-side communication through-hole in the closing direction when the shutter is in the open position. Part of the shutter is covered by a portion of the shutter cover surrounding the cover-side communication through-hole when the shutter is in the closed position.
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