Threading device of sewing machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Mar 15, 2011
Grant Date -
Jan 15, 2009
app pub date -
Jul 11, 2008
filing date -
Jul 13, 2007
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A threading device of a sewing machine having a plurality of needles is provided. The threading device is configured to insert a thread through an eye of any one of the needles. The threading device includes a threading hook which moves forward to enter the eye of one of the needles and moves backward to catch and insert the thread through the eye, a threading mechanism which moves the threading hook to insert the thread, a selecting portion operable to select, among the plurality of needles, a needle through which the thread is to be inserted, a positioning mechanism which moves the threading hook to a position corresponding to the needle selected by operating the selecting portion, and a selected needle indicating device which distinguishably indicates the needle with respect to which the threading hook has been positioned by operating the selecting portion.
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