| 摘要 |
<p>This invention relates to a tube centering and locking element for incorporation into a spinning spindle of a ring-spinning machine, said element consisting of a simple filiform elastic element (9) of steel, preferably harmonic steel, housed and supported in a thin annular groove (3) formed in proximity to the upper end of the spindle, said elastic locking element (9) having a substantially polygonal geometrical shape in the form of a ring which is sufficiently open to allow circumferential elastic deformation of its projections (12). <IMAGE></p> |
