Fabric edge trace stitching system

Details Fabric edge trace stitching system Fabric edge trace stitching system

1989-08-30

1990-10-30

Nerbun, Peter

Sewing

Stitch forming

Zigzag

112153, 112306, D05B 302

Patent

active

049660900

ABSTRACT:
A fabric edge trace stitching system in combination with an electronically controlled zigzag sewing machine comprising a driving actuator for changing the relative position of the needle and the work fabric in the direction perpendicular to the fabric feed direction, is for forming a seam tracing along an edge of the work fabric, and comprises a fabric edge detecting device, a trace width setting device, a signal compensating device for forming a smooth and approximate seam as the plain seam or a precise seam as the stitch seam, a stitch position control decive for controlling a stitching position of the needle through a swing control device, and a switching device for selecting one of the signal processing devices in the signal compensating device.

REFERENCES:
patent: 4823716 (1989-04-01), Nakashima
patent: 4827858 (1989-05-01), Horie et al.

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