Tufting machine patterning apparatus

Details Tufting machine patterning apparatus Tufting machine patterning apparatus

1995-04-11

1996-10-22

Lewis, Paul C.

Sewing

Special machines

Embroidering

112 807, D05C 1516

Patent

active

055666299

ABSTRACT:
A tufting machine includes a pattern attachment mounted between a yarn feeding device and the needles, the yarn feeding device feeding yarn to the needles at a constant rate in an amount sufficient to accommodate the yarn requirements of the needle and looper system. The pattern attachment includes a series of slats rotatable about an axis in timed relationship to the reciprocation of the needles. Each slat includes a yarn receiving groove corresponding to each needle, certain of the grooves being shallower than others. A first yarn guide directs yarn from the feeding device to the pattern attachment while a second yarn guide directs yarn from the pattern attachment toward the needles. The slats are mounted on chains fastened to sprockets mounted on a driven shaft. The yarn is tensioned so that the full amount of yarn fed by the feeding device may be received by the needles, and when yarn enters a shallow groove, the yarn is pulled back from the respective needle resulting in a loop that is shorter than when the full amount of yarn is received by the needle.

REFERENCES:
patent: 3207105 (1965-09-01), Card et al.
patent: 3687095 (1972-08-01), Jackson
patent: 4870915 (1989-10-01), Bagnall

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