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Ink cartridge having an integral pressurization apparatus

  • US 6,312,116 B2
  • Filed: 04/29/1998
  • Issued: 11/06/2001
  • Est. Priority Date: 04/27/1995
  • Status: Expired due to Term
First Claim
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1. A replaceable ink supply cartridge for providing a pressurized supply of ink to an ink-jet printhead of an ink-jet printer, the replaceable ink supply cartridge comprising:

  • a housing insertable to and removable from the ink-jet printer, the housing including;

    an activation portion for receiving a movable linear actuator associated with the ink-jet printer when the housing is inserted to the ink-jet printer, the linear actuator having an activated state and an inactivated state, wherein in the activated state the linear actuator is biased toward an extended position into engagement with the activation portion and wherein in the inactivated state the linear actuator is in a retracted position;

    wherein the ink supply cartridge provides ink to the ink-jet printhead for printing that is pressurized in response to the activated state of the linear actuator; and

    wherein in response to the inactivated state of the linear actuator, the ink is non-pressurized.

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