SEWING MACHINE THAT IS CAPABLE OF DETECTING SEWING TARGET FEEDING LENGTH
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United States of America Patent
Stats
-
Jan 31, 2017
Grant Date -
Feb 9, 2017
app pub date -
Jul 8, 2016
filing date -
Aug 3, 2015
priority date (Note) -
Granted
status (Latency Note)
Importance
Abstract
A sewing machine can detect a sewing target feeding length, and includes: a presser rod, a presser main body detachably mounted on the presser rod, a movable presser portion mounted on the presser main body such that it can be pressed in contact with a sewing target in the sewing operation, and such that it is movable with the sewing target in feeding and reverse feeding directions; a movement transmission portion configured having one end that can be coupled with the movable presser portion, and having an other end that receives a position change of the one end; a slide volume that detects the position change of the other end, and a calculation unit that calculates the position change of the movable presser portion based on the detection result obtained by the slide volume.
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