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US 7,252,378 B2Granted
Ink cartridge
AssigneeSamsung Electronics Co., Ltd.
InventorJae-cheol Lee
Life of this patent
Estimating the term…
Abstract
Provided is an ink cartridge. The ink cartridge includes a first chamber, which retains ink and communicates with a print head, a second chamber with an air vent, a third chamber, which includes a first end communicating with the first chamber and a second end communicating with the second chamber and is filled with a porous member creating a negative pressure by capillary action, and selective permeable member installed at the air vent, which allows inflow of air and prevents outflow of the ink.
Claims7
An ink cartridge comprising:
- a first chamber, which retains ink and communicates with a print head;
- a second chamber with an air vent;
- a third chamber, which comprises a first end communicating with the first chamber, and a second end communicating with the second chamber and is substantially filled with a porous member creating a negative pressure by capillary action;
- and
- a selective permeable member installed at the air vent, which allows inflow of air and prevents outflow of the ink,
- wherein ink is adapted to be supplied to the print head without passing through the second or third chambers.
3 more elements
An ink cartridge comprising:
- a first chamber, which retains ink and communicates with a print head;
- a second chamber with an air vent;
- a third chamber, which comprises a first end communicating with the first chamber and a second end communicating with the second chamber and is substantially filled with a porous member creating a negative pressure by capillary action;
- and
- a selective permeable member installed at the air vent, which allows inflow of air and prevents outflow of the ink,
- wherein ink is adapted to be supplied to the print head without passing through the second or third chambers,
- wherein the second chamber is positioned above the first chamber, and
- wherein the second chamber comprises a lower wall slanting downward toward the second end of the third chamber.
5 more elements
An ink cartridge comprising:
- a first chamber, which retains ink and communicates with a print head;
- a second chamber with an air vent;
- a third chamber, which comprises a first end communicating with the first chamber and a second end communicating with the second chamber and is substantially filled with a porous member creating a negative pressure by capillary action;
- and
- a selective permeable member installed at the air vent, which allows inflow of air and prevents outflow of the ink,
- wherein ink is adapted to be supplied to the print head without passing through the second or third chambers, wherein the second chamber is positioned above the first chamber, and
- wherein the second end of the third chamber is adjacent to an upper wall of the second chamber and the third chamber has an opening that communicates with the second chamber and is adjacent to a lower wall of the second chamber.
4 more elements
Dependencies are inferred from the claim text.