Toner box and developing device having the same

A developing device comprising:

• a developing unit that is configured so as to be capable of being disposed in a device body of an image-forming device;
• and
• a toner box that is detachably mounted in the developing unit, the toner box comprising:
• a main body that is configured to accommodate toner therein and that has a main-body-side communication through-hole, through which an interior and an exterior of the main body communicate;
• a shutter configured to move 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;
• and
• a shutter cover that is configured to cover the shutter and that is elastically deformable;
• the developing unit being provided with a shutter drive member that is configured to move the shutter of the toner box between the open position and the closed position,
• wherein the shutter cover comprises an inner side surface and an outer side surface separated from the inner side surface by a fixed amount of distance,
• wherein the shutter is configured to move between the open position and the closed position while sliding against the inner side surface of the shutter cover, and
• wherein the outer side surface of the shutter cover is exposed to an outside of the toner box.