| 摘要 |
<p>An ink cartridge of an ink-jet printer, which can minimize the volume of an ink chamber, discharge the ink from the ink chamber without residue, and can be easily used while eliminate the wastage of material and reduce the cost. The cartridge of an ink-jet printer includes a casing, an ink chamber which is provided in the casing for storage ink, a cover which is provided on top surface of the casing, a four-side-walls which is formed integrally with bottom surface of the casing. A refilling hole with sealing member and an air port for balancing the pressure in the ink chamber are provided on the cover, the refilling hole will be opened only when the ink refilling is necessary. A discharge port is located on bottom surface of the casing nearby a side area. The cartridge also includes an ink passage which is inside the ink chamber, the inlet of the ink passage is communicated with the ink chamber, the outlet of the ink passage is connected to the discharge port of the cartridge of the ink-jet printer, and the said inlet is formed beneath bottom surface of the ink chamber.</p> |
