| 摘要 |
PROBLEM TO BE SOLVED: To provide a toner conveyance device that, even when a toner conveyance coil is installed inside a flexible toner conveyance tube to form a toner conveyance path, prevents the occurrence of a trouble that the toner conveyance coil interferes with an inner wall of the buckled or flattened toner conveyance tube; and an image forming apparatus.SOLUTION: A toner conveyance device comprises: a tube 80 (toner conveyance tube) formed of an elastic material; a toner conveyance coil 81 that is provided inside the tube 80; and a coil-like member 82 (regulation member) that is installed to cover the outer peripheral surface of the tube 80 and regulates a change in outer diameter of the tube 80.SELECTED DRAWING: Figure 4 |
