Looper switching mechanism in overlock sewing machine

Details Looper switching mechanism in overlock sewing machine Looper switching mechanism in overlock sewing machine

1996-08-01

1997-12-16

Izaguirre, Ismael

Sewing

Stitch forming

Convertible

112162, D05B 6100

Patent

active

056973101

ABSTRACT:
In a looper switching mechanism for an overlock sewing machine, a needle having a needle thread and movable vertically, is provided. A right looper having a thread hole at a tip end through which a right looper thread is inserted, includes a mounting hole into which a shaft portion of a spreader member body is attached. A hook portion having a tip end engageable with the thread hole is coupled to and extends from the spreader member body thereby forming the a spreader.

REFERENCES:
patent: 3783810 (1974-01-01), Marforio
patent: 4237804 (1980-12-01), Hirayama
patent: 4690080 (1987-09-01), Mikuni et al.
patent: 4942834 (1990-07-01), Kitai

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