Three-dimensional printing apparatus
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United States of America Patent
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Oct 20, 2015
Grant Date -
Jun 18, 2015
app pub date -
Mar 18, 2014
filing date -
Dec 13, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A 3-D printing apparatus is configured to make a modeling material form a 3-D object layer by layer. The 3-D printing apparatus includes a printing assembly and a cleaning unit. The printing assembly includes a feeding tube, a nozzle and a driving wheel set disposed between the feeding tube and the nozzle to drive the modeling material transferred to the nozzle from the feeding tube and then exiting from the printing assembly via the nozzle so as to form a 3-D object layer by layer. The cleaning unit has a brush, in which the brush leans against on the driving wheel set to clean out the residual modeling material while the driving wheel set rotates relatively to the cleaning unit.
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Cited Art Landscape
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