Looper device having a thread feeding mechanism

Details Looper device having a thread feeding mechanism Looper device having a thread feeding mechanism

1996-09-25

1998-01-06

Nerbun, Peter

Sewing

Stitch forming

Overseaming

112199, 112302, D05B 120, D05B 6100

Patent

active

057043027

ABSTRACT:
A looper device includes a rod slidably supported in a sewing machine and allowed to move up and down. A looper is secured on the upper end of the rod and includes a hole formed in the front end and includes a support formed on the rear portion. A lever is coupled to the support at a pivot shaft and includes an extension extended from the front end for engaging with the front end of the looper and forming a shoulder which may engage with and may feed a thread upward. The lever includes a member for positioning the lever relative to the looper.

REFERENCES:
patent: 4942834 (1990-07-01), Kitai
patent: 4942835 (1990-07-01), Oguri
patent: 5237942 (1993-08-01), Satoma

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