Patent ID: 9346218
Filing Date: 2016-05-24
CPC Classification: B29C,B29L,B33Y

Claim Text:
1. A three-dimensional printing apparatus, comprising: a base; a tank, filled with a liquid forming material; a plurality of floating units, respectively connected between the base and the tank, such that the tank is disposed on the base in a floating manner; and a modeling platform be movably immersed in the liquid forming material, wherein a three-dimensional object is formed and adhered between the modeling platform and a bottom of the tank, and the modeling platform configured to pull the tank away from the base by pulling the three dimensional object, such that the three-dimensional object is released from the bottom of the tank by gravity, wherein the base has a support part and at least one first connection part and at least one second connection part extending from the support part and located at opposite sides of the support part, the tank has a tank body and at least one third connection part and at least one fourth connection part extending from the tank body and located at opposite sides of the tank body, and the three-dimensional printing apparatus further comprises a plurality of springs, wherein the springs are respectively connected between the first connection part and the third connection part and between the second connection part and the fourth connection part to form the floating units, such that the tank body is supported on the support part in the floating manner.