Method of controlling fabric edge position and apparatus thereof

Details Method of controlling fabric edge position and apparatus thereof Method of controlling fabric edge position and apparatus thereof

1992-08-05

1994-03-01

Nerbun, Peter

Sewing

Special machines

Darning

112306, 112308, 112318, 112153, 226 17, D05B 2100

Patent

active

052897885

ABSTRACT:
A method and an apparatus for controlling the fabric edge position wherein a fabric fed to the needle location of a sewing machine is fed downstream, feeding distances per unit time at two feeding points, which are along a direction almost perpendicular to the fabric feeding direction, are differentiated by detecting the fabric edge position in the vicinity of the needle location, thereby shifting rightward and leftward the fabric edge position in the vicinity of the needle location so as to form a seam at a constant distance from the fabric edge.

REFERENCES:
patent: 4120254 (1978-10-01), Herr et al.
patent: 4577573 (1986-03-01), Peloggio
patent: 4813364 (1989-03-01), Boser
patent: 4827856 (1989-05-01), Rohr

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