Sewing machine work piece turning device

Details Sewing machine work piece turning device Sewing machine work piece turning device

1983-05-04

1985-02-12

Schroeder, Werner H.

Sewing

Stitch forming

Feeding work material

112DIG2, 11212115, 112153, 112237, D05B 3510, D05B 3900

Patent

active

044984073

ABSTRACT:
A sewing machine has a feed for the workpiece which is to be sewn. A workpiece conveyor performs a skipping feed movement below the workpiece. Above the workpiece a turning device enables the workpiece to be turned about an axis which is coincident with the needle. In order to sew in an edge-parallel manner with an automatic guidance, workpieces made from soft materials with curved or angular seam courses, may be turned responsive to air nozzles directed in acutely-angled manner on to the supporting plate. The air nozzles are arranged tangentially, and in spaced manner, with respect to the needle.

REFERENCES:
patent: 2879875 (1959-03-01), Swackhamer
patent: 4133279 (1979-01-01), Wajcmann
patent: 4226197 (1980-10-01), Pollmeier et al.

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