Looper control apparatus for sewing machines

Details Looper control apparatus for sewing machines Looper control apparatus for sewing machines

1977-10-06

1979-12-18

Reynolds, Wm. Carter

Sewing

Stitch forming

Zigzag

112200, D05B 300, D05B 5732

Patent

active

041788648

ABSTRACT:
An apparatus for controlling movement of a looper while forming zig-zag stitches in a sewing machine. The apparatus is provided with a first drive device for moving and maintaining the looper in alignment with the machine's needle and a second drive device for causing the looper to travel in planes which are parallel when moving to cooperate with the needle in each of its stitch forming positions.

REFERENCES:
patent: 1919852 (1933-07-01), Lutz
patent: 2345327 (1944-03-01), Clayton
patent: 2840021 (1958-06-01), Lutz
patent: 3192886 (1965-07-01), Cash, Jr.
patent: 3783810 (1974-01-01), Marforio

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