| 摘要 |
<p>The portable perforating unit, particularly for sheet metal work, comprises: an outer casing (1) provided with a handgrip (2); a tool (4) consisting of a punch axially mobile between a rest position, in correspondence with which it is completely housed within said casing (1), and a working position, in correspondence with which its end emerges from said casing (1); means which, when activated by the operator, cause the impelling displacement of the tool (4) from its rest position to its working position, and to then return to its rest position.</p> |
