High speed electromagnet selection device for selecting the needles in a knitting machine
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United States of America Patent
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May 30, 1995
Grant Date -
N/A
app pub date -
Jan 25, 1994
filing date -
Jan 25, 1994
priority date (Note) -
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status (Latency Note)
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Abstract
The device comprises, for each selector element, a high-speed electromagnet having a fixed core with a single coil, and an armature consisting of a lightweight blade. When the coil is energized, the blade is moved into one position, and is restored to another position by means of a compression spring when the coil is de-energized, with a response time of less than 4 ms. The electromagnets are housed in the support of a selection assembly, and packed in at least two offset rows. Each coil is energized at a first voltage and is subsequently maintained energized at a lower voltage.
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