| 摘要 |
A drill assembly comprising clamp members (10, 12) for clamping a workpiece therebetween, a longitudinal guide member (14) extending along at least one clamp member (10), a transverse guide member (18, 20) mounted on the longitudinal guide member and extending between said clamp members (10, 12) in a generally transverse direction to the first guide member (14). A drill housing (30) is mounted on said transverse guide member (18, 20), and is movable in the direction of the longitudinal axis of the clamp members (10, 12) and in a direction generally transverse thereto. |
