Sewing machine
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United States of America Patent
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Dec 19, 2017
Issued Date -
N/A
app pub date -
Dec 29, 2014
filing date -
Aug 5, 2014
priority date (Note) -
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Abstract
A sewing machine includes a horizontal hook that is held within an outer hook and an accommodating portion of the outer hook that includes a spiral-shaped columnar portion to which the thread loop captured by the hook point is wound. The sewing machine also includes a chain looper that guide the thread loop induced in spiral shape upward, and an inner hook for chain stitching that is supported by the outer hook that restricting upward movement of the thread loop drawn into the interior of the outer hook.
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