Workpiece controlling device for a sewing machine

Details Workpiece controlling device for a sewing machine Workpiece controlling device for a sewing machine

1987-06-16

1988-05-17

Feldbaum, Ronald

Sewing

Stitch forming

Feeding work material

112308, D05B 2700

Patent

active

047443197

ABSTRACT:
A workpiece controlling device for a sewing machine comprising, a workpiece feed mechanism which feeds material in a substantially straight line, an alignment device disposed immediately in advance of the point of stitch formation in the region of a needle plate, a device for moving the alignment device transversely relative to the direction of material feed in the sewing machine, with the alignment device acting on the workpiece in synchronism with the stitch formation, and a device for controlling the transverse motion of the alignment device.

REFERENCES:
patent: 1943301 (1934-01-01), De Voe
patent: 2731929 (1956-01-01), Ayres
patent: 3004503 (1961-10-01), Erlichman
patent: 4187794 (1980-02-01), Ross et al.
patent: 4589364 (1980-05-01), Yamamoto

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