Automatic sewing machine having control circuit receiving a sign

Details Automatic sewing machine having control circuit receiving a sign Automatic sewing machine having control circuit receiving a sign

1980-06-04

1982-01-26

Nerbun, Peter P.

Sewing

Special machines

Darning

D05B 2100, D05B 3900

Patent

active

043122833

ABSTRACT:
An automatic sewing machine for sewing workpieces of different sizes is described, in which relative movement between a workpiece and the needle of a sewing head is controlled by a computer receiving the program according to the contour to be stitched. A measuring device is provided for automatically matching the relative movement of the sewing process with the size adjustable workpiece receiving elements. The measuring device continuously detects the size adjustment of the workpiece receiving elements and feeds the size adjustment into an adapting electronic unit converting analog information into digital information used by the computer controlling the stitching operation.

REFERENCES:
patent: 3739733 (1973-06-01), Schramayr
patent: 4069778 (1978-01-01), Kozawa
patent: 4201144 (1980-05-01), Manabe et al.

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