Ink cartridge with an internal spring assembly for a printer
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United States of America Patent
Stats
-
Jul 12, 2011
Grant Date -
Feb 18, 2010
app pub date -
Oct 20, 2009
filing date -
Jan 21, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A printer ink cartridge with a spring assembly pressurising the ink to dispense it when the outlet establishes fluid communication with the printer. The cartridge has an outer portion with the spring assembly and a base portion containing a deformable ink membrane for containing ink. At least part of the base portion slides against the outer portion, and the spring assembly presses the deformable ink membrane to dispense ink as the at least part of the base portion slides within the outer portion by application of a force. The cartridge also has an ink outlet for fluid communication with the printer.
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Family
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Cited Art Landscape
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