| 摘要 |
<p>The invention relates to a universal device for positioning parts by approaching or removing the same. According to the invention, the device comprises a resistant left-right thread screw (2), whereon some push and pull jaws (1) are attached, the left-right thread screw (2) being, handled by a handling rod (4) for approaching and removing the parts or sub-assemblies to be assembled, preferably by welding.</p> |
