| 摘要 |
<p>There is provided a jack apparatus having a base plate with a top surface, a bottom surface and a peripheral edge, the top surface having an opening, a bar extending from the top surface of the base, and a travelling member mounted to the bar. The travelling member has an actuator that moves the travelling member along the bar relative to the base and a lifting bracket mounted at an end of the travelling member, the lifting bracket having a top surface and a bottom surface, the lifting bracket being sized to fit within the opening when the travelling member is adjacent to the base such that the lifting bracket engages the base.</p> |
