Multi-color cartridge ink-supply system for a dot matrix printer

  • US 5,156,473 A
  • Filed: 11/30/1990
  • Issued: 10/20/1992
  • Est. Priority Date: 10/13/1983
  • Status: Expired due to Term
First Claim
Patent Images

1. An ink-supply system for a dot matrix printer head, comprising:

  • an ink-supply tank formed as a single disposable unit and adapted for mounting in and removal from said ink supply system as a unit, said ink-supply tank being formed with a plurality of ink-supply sections, each of said ink-supply sections having an ink-supply delivery port; and

    an ink absorbing member formed of a porous material in each of said ink-supply sections, substantially the desired capacity of ink for each of said ink-supply sections being carried by the ink absorbing member thereof, each said ink absorbing member substantially filling its respective ink-supply section, at least two of said ink-supply sections carrying ink of different colors.

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