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Reverse spring lever ink jet printing mechanism

  • US 6,247,795 B1
  • Filed: 07/10/1998
  • Issued: 06/19/2001
  • Est. Priority Date: 07/15/1997
  • Status: Expired due to Fees
First Claim
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1. A method of ejecting ink from an ink jet printing nozzle apparatus, the apparatus comprising:

  • (a) a nozzle chamber having an ink ejection port and being in fluid connection with an ink chamber;

    (b) an ink ejection device having one surface in fluid communication with ink in said nozzle chamber;

    (c) a recoil device connected to said ink ejection device; and

    (d) an actuator device connected to the ink ejection device;



    wherein said method comprises the steps of;

    activating the actuator device to drive said ink ejection device from a quiescent position to a pre-firing position; and

    deactivating said actuator device, thereby causing said recoil device to drive said ink ejection device to eject ink from said nozzle chamber via said ink ejection port.

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