Throat plate switching mechanism
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United States of America Patent
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Sep 12, 2017
Grant Date -
Mar 23, 2017
app pub date -
Sep 15, 2016
filing date -
Sep 18, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A throat plate switching mechanism includes a first throat plate and a second throat plate. The first throat plate is formed with a first needle hole having an elongated hole shape at a stitch point. The second throat plate is formed with a second needle hole. A width of the second needle hole is narrower than a width of the first needle hole. The second throat plate is equipped in the first throat plate such that the second throat plate is switched into a use position at which the second needle hole overlaps the first needle hole, and a retreated position at which the second throat plate does not cover the first needle hole.
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