Feed regulator of a sewing machine

Details Feed regulator of a sewing machine Feed regulator of a sewing machine

1992-01-21

1993-10-05

Crowder, Clifford D.

Sewing

Stitch forming

Feeding work material

112317, D05B 2722

Patent

active

052495418

ABSTRACT:
A feed regulator of a sewing machine capable of varying a seam length at the stitching operation employs a first driving device for swingably driving a feed regulating table by way of a link mechanism so that a feed dog can switch the feed direction, whereby a reverse stitching operation can be performed in the same way as the conventional feed regulator. The feed regulator also employs a link mechanism having one surface for retaining the projection of the link member having a slit, one surface of which can retain the projection of the link mechanism, and a second driving device for driving the link member, whereby the reverse stitching operation can be performed by second driving device in the arbitrary seam length.

REFERENCES:
patent: 4183314 (1980-01-01), Sato
patent: 4476795 (1984-10-01), Vollmar
patent: 4732095 (1988-03-01), Saito et al.

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