| 摘要 |
The knitting machine has a device for raising and lowering the platen, which comprises a frame, associated with the supporting structure of the machine, which supports the platen above the needle-bearing cylinder. The machine also comprises at least one guiding column for sliding said frame with respect to the supporting structure of the machine along a direction parallel to the axis of the needle-bearing cylinder and a step motor which is connected to an electronic member for controlling the machine and which acts on moving means connected to said frame and to the supporting structure to perform the above described sliding according to a preset program.
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