| 摘要 |
PROBLEM TO BE SOLVED: To stably supply toner.SOLUTION: A toner cartridge case 63 has a conveyance coil 70 for conveying toner therein, and the conveyance coil 70 has a driving shaft 71 for driving to rotate the coil connected thereto. The driving shaft 71 is connected to a coupling 66 to which a rotational driving force is transmitted from an image forming apparatus 10 side and has a sealing material (packing) 72 provided between the coupling and the driving shaft. The conveyance coil 70 has a coil spring 73, which rotates in the vicinity of a toner supply port 67 following the rotation of the conveyance coil 70, attached to a part thereof in a swingable manner. The coil spring 73 rotates in the vicinity of the toner supply port 67 in conjunction with the rotation of the conveyance coil 70 to break down a toner pressed and conveyed in the direction of the toner supply port 67.SELECTED DRAWING: Figure 1 |
