| 摘要 |
PURPOSE:To simplify the structure and to detect the amount of toner stably for a long period by pressing a toner support plate against an oblique surface part by the weight of toner when a container is full of toner, and attracting and raising the toner support plate by a magnet roll as the toner is consumed. CONSTITUTION:The toner support plate 6 fitted inside the oblique surface plate 1a is one thin flexible plate made of a magnetic material or plate member coupled in an oscillatory state, and a magnetic material is fitted at least to its front end part; when the toner in the container is more than a specified amount, either one is positioned by its weight as shown by a dashed line and contacts the internal surface of the oblique surface part 1. The toner support plate 6 is attracted with the magnetic force of the magnet roll 3 and raised in a direction shown by a solie line as the toner is consumed decreases in weight; and its lower end part and magnet roll 3 decreases in mutual distance gradually or contact each other. |
