| 摘要 |
An apparatus for positioning a load or workpiece, the apparatus comprising a support table including a generally planar surface for supporting the workpiece, a first hydraulic motor for moving the table vertically, a second hydraulic motor for rotating the table about a rotational axis generally perpendicular to the surface, a third hydraulic motor for pivoting the table about a pivot axis generally perpendicular to the rotational axis, and a hydraulic pump for supplying fluid to the first, second and third hydraulic motors.
|
