Sewing machine adapted to stitch on a curved path

Details Sewing machine adapted to stitch on a curved path Sewing machine adapted to stitch on a curved path

1980-04-29

1982-01-26

Hunter, H. Hampton

Sewing

Stitch forming

Feeding work material

112315, D05B 2700, D05B 2722

Patent

active

043122868

ABSTRACT:
Sewing machines comprising automatic guide apparatus for the piece, have a presser foot adapted to bear against the piece during operation so as to turn the piece, this bearing of the presser foot being controlled by a detector. A device for regulating the stitch length and a device for regulating the speed of operation of the machine are provided, and the control device for stitch length and the control device for the speed of driving of the piece are actuated by application of the guiding presser foot so as to increase the stitch length and reduce the speed as long as the presser foot is applied, that is, so long as the machine is stitching around a curve.

REFERENCES:
patent: 2723635 (1955-11-01), Matuzas
patent: 3139051 (1964-06-01), Story
patent: 3609373 (1971-09-01), Desai et al.
patent: 3742879 (1973-07-01), Schaefer et al.
patent: 4100864 (1978-07-01), Babson et al.
patent: 4135460 (1979-01-01), Biotteau

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