Apparatus and method for thread supplying in a chain stitch sewi

Details Apparatus and method for thread supplying in a chain stitch sewi Apparatus and method for thread supplying in a chain stitch sewi

1992-06-26

1994-05-31

Nerbun, Peter

Sewing

Elements

Frames

112165, 112199, 112255, 112302, 11212111, D05B 110, D05B 4704

Patent

active

053159454

ABSTRACT:
An apparatus and a method for supplying thread in a chain stitch sewing machine are disclosed, the apparatus comprising a needle vertically reciprocating between a top end point and a bottom end point in one sewing cycle; a looper horizontally reciprocating in one sewing cycle; a thread supply device for forcibly supplying a needle thread to the needle; and a thread supply control device for controlling the thread supply device so that the needle thread is supplied in at least two periods in each sewing cycle, the periods being discontinuous.

REFERENCES:
patent: 3301206 (1967-01-01), Lanzendorfer
patent: 4690083 (1987-09-01), Hara et al.
patent: 4932346 (1990-06-01), Matsubara et al.
patent: 4967679 (1990-11-01), Hara et al.
patent: 5056446 (1991-10-01), Nakano et al.
patent: 5186114 (1993-02-01), Ikawa

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