BOBBIN STRUCTURE
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United States of America Patent
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Issued Date -
Sep 8, 2016
app pub date -
Jun 23, 2015
filing date -
Mar 6, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A bobbin structure includes a hollow cylindrical body, a first blocking member extending outward from one end of the cylindrical body, a second blocking member extending outward from another end of the cylindrical body that is opposite to the one end, and a ring sleeved onto the cylindrical body between the first and second blocking members and movable relative to the cylindrical body for repositioning.
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