Double overlock seamer
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United States of America Patent
Stats
-
Oct 15, 1985
Grant Date -
N/A
app pub date -
Jul 30, 1984
filing date -
Jul 30, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a sewing machine for performing twin overedging and seaming in one high-speed operation, specially designed top and bottom variable feed dogs pull the two plies through a three needle stitching area with improved, simplified elements for diverting one ply edge while the other is being overcast. The upright overcast edge of the top ply passes through a tunnel formed through the top feed dog. A guide wall attached to the throat plate guides the top edge away from the bottom overedging station. A guard wall can be attached to the presser foot to keep the turned-up top edge away from the seaming needle. A fiber optic/pneumatic system controls automatic stop, presser foot/top feed retraction and between-work thread cutter functions. Alternative front edge guides facilitate feeding the two plies in registration.
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Family
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Cited Art Landscape
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