MATERIAL LEVEL DETECTING MECHANISM OF THREE-DIMENSIONAL SYSTEM
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United States of America Patent
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Mar 8, 2016
Grant Date -
Mar 10, 2016
app pub date -
Sep 8, 2014
filing date -
Sep 8, 2014
priority date (Note) -
Granted
status (Latency Note)
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Abstract
A material level detecting mechanism of three-dimensional system includes a bracket, a printing head, first piston, a second piston, a first detecting unit and a second detecting unit. The bracket includes an aligner holder and a supporter. The printing head detachably located in the aligner holder, and including a nozzle with an outlet for extruding the modeling material. The first piston includes a piston rod attached to a piston head, and the second piston slidably located inside the cartridge is adapted to be pushed by the first piston toward the direction of the outlet. The first detecting unit is adapted to detect the home position of the first piston and the second detecting unit is adapted to detect the touching of the first piston and the second piston which provide the initial amount of material present in the cartridge which is subject to print.
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