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Fluidic adapter for use with an inkjet print cartridge having an internal pressure regulator

  • US 6,188,417 B1
  • Filed: 10/31/1996
  • Issued: 02/13/2001
  • Est. Priority Date: 10/31/1994
  • Status: Expired due to Term
First Claim
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1. An ink delivery system for an inkjet printing system comprising:

  • a housing having a fluid inlet;

    a printhead fixed to the housing for ejecting droplets of ink in an ejection direction;

    a source of ink for replenishing the printhead;

    an ink conduit in fluid communication with the source of ink; and

    an adapter having an internal chamber for providing an ink fluid path, the adapter having an inlet fluid coupler for receiving ink from the ink conduit and an outlet fluid coupler that releasably and fluidically connects to the fluid inlet of the housing, wherein the adapter is installable in a direction opposite the ink ejection and has a first portion that allows ink flow from the inlet fluid coupler to the outlet fluid coupler in a direction substantially opposite to the ink ejection direction.

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