Thread cutting device in sewing machine

Details Thread cutting device in sewing machine Thread cutting device in sewing machine

1999-05-26

2000-11-28

Izaguirre, Ismael

Sewing

Elements

Thread cutting, severing or breaking

D05B 6500

Patent

active

061520586

ABSTRACT:
A thread cutting device is provided in a sewing machine that is operable to form stitches on a fabric using an upper thread and a lower thread. The thread cutting device may include a fixed knife and a movable knife cooperating with each other to cut either one or both of the upper and lower threads. The movable knife may be operable to cut the upper thread at a first timing and to cut the lower thread at a second timing that is different from the first timing.

REFERENCES:
patent: 4589362 (1986-05-01), Dusch
patent: 4630559 (1986-12-01), Kinoshita
patent: 5131340 (1992-07-01), Tajima et al.
patent: 5755170 (1998-05-01), Tajima et al.
patent: 5964170 (1999-10-01), Gries

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