Ink storage module for a pagewidth printer cartridge
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United States of America Patent
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Dec 20, 2011
Grant Date -
Apr 17, 2008
app pub date -
Dec 12, 2007
filing date -
Jan 21, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Provided is an ink storage module for a pagewidth printer cartridge. The module includes upper and lower plate members that are displaceable towards and away from each other. An ink bag is located between the plate members to define an ink volume. A bag constrictor assembly is engaged with said plate members, and is configured to act on the bag when the plate members are displaced towards each other to reduce the ink volume. A biasing mechanism is engaged with the plate members to bias the plate members away from each other such that a negative pressure is maintained in the ink volume. A lid is engaged with the plate members and bag constrictor assembly. The lid has at least one port in fluid communication with the bag, to deliver ink to a printhead or to facilitate refilling said bag with ink.
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