| 摘要 |
PURPOSE:To prevent a toner contamination by sealing tightly an opening of a toner replenishing vessel body by the first cover body by utilizing an engaging relation of a projecting line and a recessed groove, and opening it by a projecting part piece of the second cover body. CONSTITUTION:A cartridge is inserted into a toner storage tank 20 through an inserting port 31, and an engaging piece 7 is detained to a thick part 21a of a side wall 21. When the second cover body 32 is closed, a projecting part piece 33 is engaged to a projecting part 11a of the first cover body 11 and depressed, and the first cover body 11 is opened. A toner T in a cartridge body 2 flows out through an opening 3, and it is supplied to the inside of the toner storage tank 20. A toner cartridge 1 can be installed to the toner storage tank 20 in a tightly sealed state, therefore, a toner does not leak out nor scatters, and the circumference is not contaminated. When taking out the toner cartridge 1, a jaw part 12 is engaged to the thick part 21a of the side wall 21 and the first cover body 11 is closed, therefore, a contamination of the circumference is prevented. |
