| 摘要 |
PURPOSE: An ink feeding device used in a large ink jet printer is provided to continuously feed ink into a corresponding ink cartridge without exchanging the ink cartridge. CONSTITUTION: An ink feeding device includes a cartridge(300), an ink complementary tank(400) and a solenoid valve. The cartridge(300) has an ink storing pack installed in a rectangular case, an actuating plate installed at a lower portion of the rectangular case, and an actuating switch. The actuating plate is moved as ink is fed into the ink storing pack so that the actuating switch is on/off operated. The ink complementary tank(400) is connected to an ink feeding tube(41) through an ink inlet port of the ink storing pack in order to store a predetermined amount of ink therein. The solenoid valve is connected to the actuating switch in order to open/close the ink feeding tube(41).
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