Pressurized ink supply and delivery system for an ink jet printer

  • US 6,243,115 B1
  • Filed: 03/09/2000
  • Issued: 06/05/2001
  • Est. Priority Date: 03/09/2000
  • Status: Expired due to Term
First Claim
Patent Images

1. An ink supply and delivery system for a printer cartridge, comprising:

  • a printer cartridge having an interior, at least one air inlet to the interior, and at least one ink outlet from the interior;

    an air pump connected to the air inlet for creating a positive pressure in the interior of the printer cartridge;

    an ink source including ink in the interior of the printer cartridge and in fluid communication with the ink outlet; and

    a resilient air container in the interior of the printer cartridge and in fluid communication with the air inlet, the air container expanding from the positive pressure created by the air pump for forcing the ink from the ink source through the ink outlet.

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