Variable needle travelling arc in a scoop-stitch sewing machine

Details Variable needle travelling arc in a scoop-stitch sewing machine Variable needle travelling arc in a scoop-stitch sewing machine

1992-10-08

1993-10-19

Crowder, Clifford D.

Sewing

Elements

Frames

112 35, 112177, 112222, D05B 124

Patent

active

052536009

ABSTRACT:
A method for scoop stitching includes the steps of changing the angle of attack of a curved needle before and after penetration of the needle into a fabric. The needle moves along an arc around an axis. The axis is reduced prior to needle penetration and is increased after penetration to assure good penetration depth in thick fabrics.

REFERENCES:
patent: 2920590 (1960-01-01), Dunn
patent: 3338196 (1967-08-01), Roth
patent: 3341873 (1967-09-01), Miller
patent: 3347190 (1967-10-01), Roth
patent: 3734039 (1973-05-01), Krasnitz
patent: 4712495 (1987-12-01), Jagielski
patent: 5095833 (1992-03-01), Darrieux

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