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Three-dimensional printing apparatus

  • US 8,926,304 B1
  • Filed: 01/27/2014
  • Issued: 01/06/2015
  • Est. Priority Date: 11/20/2013
  • Status: Active Grant
First Claim
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1. A three-dimensional printing apparatus, comprising:

  • a tank, filled with a liquid-state forming material;

    a movable platform, movably disposed at the tank, wherein a portion of the movable platform is immersed in the liquid-state forming material;

    a rotating shaft, disposed under the tank;

    a rotating arm, connected with the rotating shaft, wherein the rotating arm is driven by the rotating shaft to rotate; and

    at least one light source, disposed on the rotating arm to rotate with the rotating arm,wherein the light source provides light to irradiate the liquid-state forming material to solidify a portion of the liquid-state forming material in layers along with the portion of the movable platform moving in the liquid-state forming material to form a three-dimensional object on the movable platform.

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