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LIQUID DROPLET DISCHARGE DEVICE

  • US 20160193624A1
  • Filed: 09/08/2014
  • Published: 07/07/2016
  • Est. Priority Date: 09/09/2013
  • Status: Active Grant
First Claim
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1. A liquid droplet discharge device including a liquid chamber that is communicated with a discharge opening, and that is supplied with a liquid material, a needle having a tip that is advanced and retracted within the liquid chamber, a drive device that operates the needle to advance and retract, and a displacement magnifying mechanism, the liquid droplet discharge device discharging liquid droplets in a flying mode from the discharge opening,wherein the drive device is constituted by an even number of drive devices disposed in a left-right symmetric relation,the displacement magnifying mechanism includes an elastically deformable U-shaped member having a bottom portion to which the needle is coupled, andthe drive devices operate the needle to retract by applying forces acting to move the two ends of the U-shaped member away from each other, and to advance by applying forces acting to move the two ends of the U-shaped member closer to each other.

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