Boring device and multi-needle embroidery sewing machine equipped with the same
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United States of America Patent
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Jun 28, 2011
Grant Date -
Apr 30, 2009
app pub date -
Oct 29, 2008
filing date -
Oct 30, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A boring device that can be attached to and detached from a lower end of one of a plurality of needle bars provided on a multi-needle embroidery sewing machine, and includes a boring knife that makes a cut in a work cloth and a first engagement portion to be engaged with a second engagement portion provided on the one of a plurality of the needle bars. The second engagement portion restricts horizontal rotation of the boring device, and a horizontal position of the boring knife with respect to the one of the needle bars is determined when the first engagement portion is engaged with the second engagement portion.
First Claim
Family
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Cited Art Landscape
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