Elastic waistband attachment system

Details Elastic waistband attachment system Elastic waistband attachment system

1995-11-13

1998-04-28

Lewis, Paul C.

Sewing

Special machines

For sewing plural workpieces under tension

112305, 112306, 112147, 112153, 11247029, 11247503, 11247506, 11247513, D05B 3500, D05B 2700

Patent

active

057432023

ABSTRACT:
A looped elastic waistband (14) is positioned along a circular sewing path (12) with the waist edge (21) of a pair of pants (12) in straddling relationship thereover. The garment parts are advanced past a folding assembly (61), which folds the waist edge (21) of the pants (16) over the waistband (14), and past sewing needles (13) that form lines of stitching along the aligned edges of the pants (16) and waistband (14) and through the folded portion (22) of the pants waist (19). In the meantime, the position of the waist edge (21) of the pants (16) over the waistband (14) is adjusted in response to position the waist edges (21) as detected by body edge sensor (13) which controls the reciprocation of a pair of drive wheels (87 and 88) of an edge guide assembly (86) which engage and urge the waist edge (21) of the pants (16) across from the sewing path (12). An expansion roller assembly (62) maintains tension in the waistband (14) and the waist edge (20) of the pants (16) during a sewing operation, and is pivotable to equalize tension in the waistband (14) and pants (16).

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