Inkjet printer cartridge refill dispenser with plunge action
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United States of America Patent
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-
Jun 19, 2007
Grant Date -
Jul 21, 2005
app pub date -
Jan 21, 2004
filing date -
Jan 21, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A printing fluid dispenser including: a housing comprising a base and a plunger; a deformable container located within the housing for storing printing fluid; an outlet coupled to the deformable container and arranged to convey the printing fluid to a point external to the housing; and a spring located between the deformable container and the plunger having characteristics selected to limit pressure in the deformable container to a predetermined level in use; wherein in use, bringing the plunger towards the base causes compression of the deformable container between the spring and the base and egress of the printing fluid through the outlet.
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