| 摘要 |
An electromagnetically-operated pattern control mechanism for circular knitting machines, said machines having needles and mechanical control parts such as needle jacks, the needles and jacks being swingably connected together, the jacks are each provided with a pair of generally similar opposed springs each one of which may be controlled mechanically as well as electromagnetically, at least one of the springs of the spring pair is operated in a pattern controlling manner by at least one electromagnet of an electromagnet pair.
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