D - Textiles – Paper – 05 – B
Patent
D - Textiles, Paper
05
B
112/53
D05B 1/08 (2006.01) D05B 1/20 (2006.01) D05B 29/06 (2006.01) D05B 73/12 (2006.01)
Patent
CA 1236342
ABSTRACT OF THE DISCLOSURE 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.
486015
Babson Edward
Porter Michael R.
Porter Robert E.
Elastic Corporation Of America Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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