Needle bar mechanism of sewing machine
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United States of America Patent
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Oct 5, 2021
Grant Date -
N/A
app pub date -
Sep 12, 2019
filing date -
Sep 18, 2018
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A needle bar mechanism includes a needle bar connecting stud, two needle bars, needle bar clutches, clutch levers, needle bar clutch stoppers, and deactivating members provided two by two at the stud; a slider configured to selectively collide with one clutch lever and one deactivating member at the time of lifting of the stud; and an interlocking mechanism configured to interlock the deactivating members such that the deactivating members move opposite to each other in an upper-to-lower direction. According to the needle bar mechanism, the slider comes, at the time of lifting of the stud, into collision with the clutch lever and the deactivating member, so that one needle bar clutch can be switched from a holding state to a release state by the stud while the other needle bar clutch is switched from the release state to the holding state by the stud.
First Claim
Family
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Cited Art Landscape
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