| 摘要 |
<p>A test head moving device (10) comprises a lifting arm (15) for lifting a test head (100), a frame (11) for horizontally moving the test head (100), and an interlock mechanism (20) for prohibiting the horizontal movement of the frame (11) depending on the height of the test head (100). The interlock mechanism (20) includes a limit switch (23) for detecting that the test head (100) is located at the lowermost position and a stopper (30) capable of contacting a pressing unit (50) with a floor surface.</p> |
