Zigzag sewing machine
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United States of America Patent
Stats
-
Jun 21, 2011
Grant Date -
Feb 26, 2009
app pub date -
Aug 19, 2008
filing date -
Aug 21, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A zigzag sewing machine is provided. The zigzag sewing machine includes a stitching motor which moves a needle, a feeding motor which moves a feed dog to feed a cloth, a needle swinging motor which swings the needle, a multistage-operating portion operable to adjust at least one of a feed amount of the cloth and a swing amount of the needle in a minimum adjustable unit, and a control section which controls the stitching motor, the feeding motor and the needle swinging motor to carry out a zigzag sewing in accordance with the at least one of the feed amount and the swing amount adjusted by the multistage-operating portion. The control section is configured to selectively assign a first value and a second to the minimum adjustable unit depending on whether the stitching motor is in operation or not.
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Family
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Cited Art Landscape
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