Fully rotating hook for a lock stitch sewing machine
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United States of America Patent
Stats
-
Mar 25, 1986
Grant Date -
N/A
app pub date -
Mar 16, 1984
filing date -
Sep 6, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fully rotating hook includes an outer member or rotary loop taker having a track groove therein and an inner shuttle member or bobbin case a projection extending into the groove. A spaced relation between the track groove and the projection is maintained by feeding compressed air into a clearance therebetween.
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Family
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Cited Art Landscape
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