| 摘要 |
669,333. Ring-spinning machines. HERR MANUFACTURING CO., Inc. Feb. 1, 1949, No. 2765/49. Class 120(ii) In a ring and traveller device the ring 11 has a lower bearing face 16 at substantially right angles to the ring axis and an inner bearing face 17 extending upwardly and outwardly from the inner edge of the lower bearing face in oblique fashion and the traveller has angularly disposed legs 20 and 22 providing a thread engaging loop at the vertex thereof, one leg engaging the inner bearing face 17 of the ring and terminating at its free end in a horizontally extending foot 21 engaging the lower bearing face 17 and the other leg clearing the top side of the ring and terminating at its free end in a foot 23 in opposing relation to the foot 21. In a modification the top face 15 of the ring slopes inwardly towards the ring axis. Means for lubricating the ring include a reservoir 14. |
