| 摘要 |
<p>The present invention includes: a joint ball rotatably mounted on a first base; a control unit mounted on the joint ball; a rod extending in a direction facing away from the control unit; a first driving unit enabling a three-dimensional movement of the rod and driving the rod in a first direction; a second driving unit selectively driving the first driving unit in a second direction; and a second base fixing the second driving unit, and applies two motors for exercising an arm along a three-dimensional trajectory, in order to reduce the driving cost and manufacturing cost of a manipulator of the prior art.</p> |
