Ink cartridge with an internal spring assembly for a printer

Details Ink cartridge with an internal spring assembly for a printer Ink cartridge with an internal spring assembly for a printer

2011-07-12

2011-07-12

Meier, Stephen D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

Reexamination Certificate

active

07976142

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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