Patent ID: 7686440
Filing Date: 2010-03-30
Classification: B41J

Abstract:
1. An ink storage module for a printer cartridge having a number of ink storage modules, each module operatively storing a different colored ink for delivery to a printhead of the printer, said module comprising: upper and lower plate members having an ink bag located between the plate members to define an ink volume, said plate members displaceable towards and away from each other; a bag constrictor assembly engaged with said plate members and configured to act on the bag when the plate members are displaced towards each other by an external force to reduce the ink volume; a lid engaged with the plate members and bag constrictor assembly, the lid having at least one port in fluid communication with the bag, to deliver ink to a printhead or to facilitate refilling said bag with ink; and a valve insert located between the lid and the bag, said insert having an inlet valve and an outlet valve arranged in fluid communication with respective ports in the lid, the inlet valve to facilitate refilling of the bag with ink, and the outlet valve to facilitate ink delivery to the printhead.