In-place bobbin winding mechanism for a sewing machine
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United States of America Patent
Stats
-
Apr 27, 1982
Grant Date -
N/A
app pub date -
May 1, 1981
filing date -
May 1, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bobbin resting on a bobbin case in the vertical axis looptaker of a sewing machine is provided with a slidable plunger which is biased into a position wherein the bobbin is disconnected from the looptaker and can rotate relative thereto. The plunger is depressable to a cam on the plate into a position wherein it is effective to cause the bobbin to be rotated with the looptaker for the winding of thread.
First Claim
Family
International Classification(s)
Cited Art Landscape
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