| 摘要 |
<p>Device for presenting weft threads on weaving machines, with the characteristic that it consists essentially of a combination of a number of thread presentation elements (2), which move to and fro; per thread presentation element (2) an eccentric (6), which through its rotation can provide the to and fro displacement (A) of the associated thread presentation element (2); rotating drive elements (7); clutch devices (8), consisting of friction clutches, in order to couple the eccentrics (6) with the rotating drive elements (7); and control means (9) which direct the clutch devices (8).</p> |
