| 摘要 |
<p>A lift apparatus is disclosed. The disclosed lift apparatus for transferring a workpiece vertically comprises: i) transportation beam for loading the workpiece; ii) a lift arm to support the transportation beam to be movable; ii) a lift driver for driving the lift arm to enable to move the transportation beam vertically; and ii) an overload protection unit which is mounted between the lift driver and the lift driver to have an elastic member in order to absorb the weight of the workpiece.</p> |
