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US 2003/0169317 A1Published application
Ink-jet printer cartridge upper cover
AssigneeMonitek Electronics Limited
InventorsPui Kuong Lui, Yiu Cheong Law
Life of this patent
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Abstract
An ink-jet printer cartridge upper cover includes an inner tube, an outer tube, a non-rigid sealing ring defining a hole at the center portion thereof, and a vent-tip forming a cavity about the bottom surface thereof and having an air passageway extending from the bottom surface of said cavity through the hole, the upper cover inner tube, and said upper cover outer tube. Inner surface of the non-rigid sealing ring hole engages with outer surface of the upper cover inner tube, and outer surface of the hole engages with the inner surface of the cavity.
Claims7
An ink-jet printer cartridge upper cover, comprising;
- an inner tube;
- an outer tube;
- a non-rigid sealing ring defining a hole at the center portion thereof;
- and
- a vent-tip forming a cavity about the bottom surface thereof and having an air passageway extending from the bottom surface of said cavity through said non-rigid sealing ring hole, said upper cover inner tube, and said upper cover outer tube;
- wherein the inner surface of said non-rigid sealing ring hole engages with the outer surface of said upper cover inner tube, and the outer surface of said hole engages with the inner surface of said cavity.
3 more elements
Dependencies are inferred from the claim text.