Auxiliary presser foot for engaging a previously formed stitch

Details Auxiliary presser foot for engaging a previously formed stitch Auxiliary presser foot for engaging a previously formed stitch

1983-01-13

1985-05-28

Schroeder, Werner H.

Sewing

Stitch forming

Feeding work material

112320, D05B 2704

Patent

active

045193339

ABSTRACT:
An auxiliary presser foot mechanism is mounted in a sewing machine with the auxiliary presser foot member being biased onto one or more previously formed stitches so that the previously formed stitches will not be unduly tensioned by the operation of the thread takeup lever during the formation of the new stitch. A cam mechanism is provided for raising the auxiliary presser foot during the feeding of the workpiece and spring means are provided for pressing the auxiliary presser foot against the previously formed stitches when the sewing machine feed dog is lowered beneath the throat plate of the sewing machine.

REFERENCES:
patent: 1017164 (1912-02-01), Noble
patent: 2737914 (1956-03-01), Hofgesang
patent: 3556028 (1971-01-01), Yoshikawa
patent: 3570426 (1971-03-01), Kunes
patent: 3935826 (1976-02-01), Nicolay et al.
patent: 4067275 (1978-01-01), Willenbacher
patent: 4116145 (1978-09-01), Nicolay

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