Control mechanism for sewing machine stitch forming mechanism

Details Control mechanism for sewing machine stitch forming mechanism Control mechanism for sewing machine stitch forming mechanism

1986-03-17

1987-04-21

Schroeder, Werner H.

Sewing

Stitch forming

Zigzag

112466, D05B 306

Patent

active

046587438

ABSTRACT:
A sewing machine having feed control linkage spring biased in one direction and manual selector cams effecting feed control linkage settings in buttonhole stitch formation, one selector cam including a projection effecting abnormal control linkage position from which the control linkage shifts to final setting in the spring bias direction.

REFERENCES:
patent: 4077341 (1978-03-01), Kasuga
patent: 4428311 (1984-01-01), Sano
patent: 4553491 (1985-11-01), Brauch et al.
patent: 4577575 (1986-03-01), Stevens et al.

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