| 摘要 |
<p>A machine for working on sheets, particularly a machine for drilling holes in glass sheets, comprising, on a frame (1) for supporting a sheet (2) to be worked, an upper working head (5) and a lower working head (6). A sheet locking assembly constituted by an upper pressing surface (7) and a lower pressing surface (10,11) is provided, the lower pressing surface (10,11) being disengaged from the lower working head (6).</p> |
