Device and method for forming an ornamental stitch in a sewing m

Details Device and method for forming an ornamental stitch in a sewing m Device and method for forming an ornamental stitch in a sewing m

1996-05-16

1997-06-03

Izaguirre, Ismael

Sewing

Stitch forming

Multiple needle

112200, 11247517, D05B 5510, D05B 5700

Patent

active

056344163

ABSTRACT:
In a device for forming ornamental stitch seams, which comprises two or more needles (3a, 3b) moving alternately backward and forward through a needle plate (2) and a looper (5) cyclically movable following an elliptical trajectory (t) under the needle plate (2), the needles (3a, 3b) describe inclined trajectories (y) to form, with the needle plate (2), an acute angle turned towards the sewing direction (A), for crossing the looper trajectory (t) at a "crossing area" that, relative to a vertical direction (v) passing by the point at which the needles (3a, 3b) get through the needle plate (2), is shifted in a direction opposite to the sewing direction (A).

REFERENCES:
patent: 4498405 (1985-02-01), Hanyu et al.
patent: 4546716 (1985-10-01), Babson et al.
patent: 4685406 (1987-08-01), Marchesi
patent: 4690080 (1987-09-01), Mikuni et al.

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