Threading apparatus for sewing machine

Sewing – Elements – Needles

Patent

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Details

D05B 8700

Patent

active

060679204

ABSTRACT:
The present invention provides an air suction device for a threading apparatus that creates an air flow to be directed toward a needle eye in order to guide a yarn through the eye. The air suction device is comprised of:

REFERENCES:
patent: 1360400 (1920-11-01), Hill
patent: 2413014 (1946-12-01), Wall
patent: 3540392 (1970-11-01), Kaplan
patent: 3599587 (1971-08-01), Greulich

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