Printer ink supply cartridge incorporating internal support ribs and tapered ink reservoirs
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United States of America Patent
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Aug 17, 2010
Grant Date -
Jun 19, 2008
app pub date -
Feb 24, 2008
filing date -
Jul 15, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention relates to a printer ink supply cartridge assembly. The assembly includes an elongate printer ink supply cartridge including a pair of internal walls separating a triplet of longitudinally extending ink supply reservoirs for storing respective colored inks. The ink supply cartridge defines a plurality of support ribs extending between the internal walls. The walls extend toward each other so that the ink supply reservoirs taper. An elongate ink ejection printhead unit is received within the ink supply cartridge so that ink from the tapered ends of the ink supply reservoirs can be supplied to the printhead unit.
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