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| Number | Title | Issue Date |
| 4854134 | Device for effecting and maintaining the vertical tension of the fabric in automatic flat knitting machines The device comprises drums, which are coaxial and supported by an axle, located below needle beds subjected to a constant torque acting with springs being provided inside the drums as a mechanical connection between them and the axle. Two pressure rollers... | 08/08/1989 |
| 4766742 | Perfected automatic flat knitting machine An automatic flat knitting machine needle beds feature equidistantly spaced slots, perpendicular to the direction of travel of a carriage, inside each of which is inserted a needle and a sinker for selecting the latter, the needle featuring a butt that is... | 08/30/1988 |
