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US 6,386,691 B1Granted
Ink cartridge of a printer facilitating second refilling
OwnerWin-Yin Liuinventor
Life of this patent
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Abstract
An ink cartridge of a printer facilitating second refiling, which has an ink cartridge and a lid, the lower end of the cartridge body having a refiling hole, which is sealed with a plug after the first refiling. The lid has a convection hole, which includes a surface to hermetically engage a refiling tube of an ink container. The bottom of the convection hole has a ventilation hole for air so as to facilitate the refilling tube of the ink container for a second refiling operation.
Claims7
An ink filling system comprising:
- an ink cartridge for a printer capable of being refilled by an ink container having a refilling tube, the ink cartridge comprising:
- a) a body having a hollow interior, an ink outlet on a lower portion communicating with the hollow interior, and an open upper portion;
- b) a lid mounted on the body so as to cover the open upper portion;
- c) an ink sponge located in the hollow interior, the ink sponge having an upper surface spaced from the lid;
- d) a refilling hole formed in the lid;
- and,
- e) a convection hole formed in the lid and configured to hermetically receive the refilling tube of the ink container therein, a bottom of the convection hole bounded by a stop shoulder forming a ventilation hole, the stop shoulder preventing the refilling tube from contact with the ink sponge.
4 more elements
Dependencies are inferred from the claim text.