Sewing machine with apparatus for sewing a curved seam

Details Sewing machine with apparatus for sewing a curved seam Sewing machine with apparatus for sewing a curved seam

1985-06-20

1986-06-10

Schroeder, Werner H.

Sewing

Stitch forming

Feeding work material

11212112, 11212124, D05B 2100, D05B 3510

Patent

active

045936366

ABSTRACT:
A sewing machine has a first transporting device for transporting the material to be sewn while a straight seam is being sewn and a second transporting device for transporting the material to be sewn while a curved seam is to be sewn. The second transporting device is mounted on a rotatable axis and is capable of rotating the material to be sewn. A control device having a sensor scans the seam to be sewn and changes the mode of the sewing machine from the first transporting device to the second transporting device when appropriate.

REFERENCES:
patent: 3072081 (1963-01-01), Milligan et al.
patent: 3263634 (1966-08-01), Gross
patent: 4178862 (1979-12-01), Bianchi et al.
patent: 4188893 (1980-02-01), Shimazaki

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