| 摘要 |
<p>A portable threading machine comprises a containing structure (3), a transmission shaft (4) housed partly in the containing structure (3), a threading head (5) fitted at one end of the shaft (4) for receiving motion from it, means (7) for rotationally driving the shaft (4) relative to the containing structure (3) and means (8) for translationally feeding the shaft (4) relative to the containing structure (3); a single motor (9), attached to the containing structure (3) directly or indirectly drives both the means (7) for rotationally driving the shaft (4) and the means (8) for translationally feeding the shaft (4).</p> |
