Over-lock sewing machine

Details Over-lock sewing machine Over-lock sewing machine

1998-08-18

2000-08-29

Nerbun, Peter

Sewing

Special machines

Pattern controlled or programmed

112130, 112162, 112199, 112220, D05B 120, D05B 1912

Patent

active

061091952

ABSTRACT:
An over-lock sewing machine executing an over-edge chain stitch and a double-chain stitch includes a sewing machine motor for driving a needle bar so that the needle bar is moved upward and downward, a sewing needle mounted on a lower end of the needle bar, an upper looper and a lower looper forming stitches in cooperation with the sewing needle, and a stepping motor for driving the lower looper so that the lower looper is rocked.

REFERENCES:
patent: 4357887 (1982-11-01), Hara et al.
patent: 4742787 (1988-05-01), Buzzi
patent: 4895088 (1990-01-01), Pirello et al.
patent: 5134948 (1992-08-01), Suzuta et al.
patent: 5509365 (1996-04-01), Cash
patent: 5860377 (1999-01-01), Akahane et al.

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