Sewing – Special machines – Embroidering
Patent
1988-11-18
1989-09-12
Feldbaum, Ronald
Sewing
Special machines
Embroidering
D05C 158
Patent
active
048649465
ABSTRACT:
A yarn feed mechanism for a multiple needle tufting machine in which a plurality of yarn feed stub rolls are mounted on transversely spaced supports on the machine in such a manner that the stub rolls project in opposite directions from opposite sides of each support and have free ends which are spaced apart from the free ends of adjacent feed rolls to facilitate threading and unthreading the feed rolls. Each yarn feed support carries a plurality of first and second vertically spaced feed rolls on opposite sides of the support and each pair of coaxially aligned feed rolls are driven from a corresponding drive shaft adapted to be driven selectively at a high speed or a low speed. The yarn feed stub roll mechanism is particularly useful in the formation of relatively simple patterns, such as graphic or diamond-shaped patterns with multi-colored yarns such as those previously produced by Wilton Looms, to substantially reduce the down-time in threading and rethreading the yarn feed mechanism for different patterns.
REFERENCES:
patent: 2862465 (1958-12-01), Card
patent: 2966860 (1961-01-01), Card
patent: 3847098 (1974-11-01), Hammel
patent: 4366761 (1933-01-01), Card
patent: 4411207 (1983-10-01), Brock et al.
patent: 4608935 (1986-09-01), Barsley
patent: 4688497 (1987-08-01), Card et al.
Feldbaum Ronald
Lackey Harrington A.
Tuftco Corporation
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