Needle plate having recess for accommodating looper thread

Details Needle plate having recess for accommodating looper thread Needle plate having recess for accommodating looper thread

1989-02-02

1990-11-13

Falik, Andrew M.

Sewing

Elements

Frames

112197, D05B 110

Patent

active

049694090

ABSTRACT:
In a needle plate used in a sewing machine for forming double chain stitches, a recess is formed at a looper heel side of a needle hole behind a needle drop point. During the sewing of a fabric, the loop of the looper thread expands by tensioning of the needle thread and settles within the recess, so that balloon stitches are formed on the under side of the fabric.

REFERENCES:
patent: 3313259 (1967-04-01), Daniel et al.
patent: 3491710 (1970-01-01), Bowin
patent: 4175500 (1979-11-01), Radice et al.
patent: 4546716 (1985-10-01), Babson et al.

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