Ink supply cartridge for a printhead assembly
First Claim
1. An ink supply cartridge for a printhead assembly having a printhead integrated circuit (IC) and a guide assembly for guiding ink to the IC, the ink supply cartridge comprising:
- a U-shaped top portion defining side walls; and
a base portion for complementarily receiving the top portion so that the side walls define elongate ink reservoirs together with the base portion, wherein the base portion includes an end portion defining a series of air inlets with convoluted winding channels leading to the ink reservoirs, said channels hydrophobically treated to prevent ink escaping from the channels,wherein the base portion is shaped and dimensioned to receive the guide assembly so that the ink reservoirs are in fluid communication with the IC.
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Accused Products
Abstract
Provided is an ink supply cartridge for a printhead assembly having a printhead integrated circuit (IC) and a guide assembly for guiding ink to the IC. The ink supply cartridge includes a first U-shaped top portion defining side walls, and a second base portion for complementarily receiving the first portion so that the side walls define elongate ink reservoirs together with the base portion. The base portion includes an end portion defining a series of air inlets with convoluted winding channels leading to the ink reservoirs, said channels hydrophobically treated to prevent ink escaping from the channels.
94 Citations
3 Claims
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1. An ink supply cartridge for a printhead assembly having a printhead integrated circuit (IC) and a guide assembly for guiding ink to the IC, the ink supply cartridge comprising:
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a U-shaped top portion defining side walls; and a base portion for complementarily receiving the top portion so that the side walls define elongate ink reservoirs together with the base portion, wherein the base portion includes an end portion defining a series of air inlets with convoluted winding channels leading to the ink reservoirs, said channels hydrophobically treated to prevent ink escaping from the channels, wherein the base portion is shaped and dimensioned to receive the guide assembly so that the ink reservoirs are in fluid communication with the IC. - View Dependent Claims (2, 3)
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Specification