Belt-driven robot having extended Z-axis motion
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United States of America Patent
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Sep 16, 2014
Grant Date -
Dec 20, 2012
app pub date -
Jun 27, 2012
filing date -
Jun 28, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A robot has a robot arm, a support structure, and a movable platform. The platform includes a cantilevered member coupled to a guide of the support structure such that motion of the platform is directed along a first direction. The robot further includes first and second timing belts having portions that extend along the first direction and that are disposed on opposite sides of the cantilevered member, and first and second shafts movable with the movable platform. The shafts are coupled to the respective timing belts, to the robot arm such that rotation of the first shaft imparts angular motion to the robot arm and rotation of the second shaft imparts radial motion. The robot also includes a third timing belt to which the platform is coupled and by which it is moved. Motors are provided that impart movement to the timing belts.
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