Yarn feeding system for high speed knitter

Details Yarn feeding system for high speed knitter Yarn feeding system for high speed knitter

1993-05-07

1994-05-10

Crowder, Clifford D.

Textiles: knitting

Feeding

Positive

66 9A, 242 4713, 156393, D04B 1548, D04B 122

Patent

active

053097386

ABSTRACT:
A system for feeding a plurality of strands of material such as yarn, in unison, along an array of separate feed paths that extend from a bank of supply packages to a knitter head utilizes a bank of positive drive units that are arranged in an array that extends about the knitter head to coordinate and uniformly tension such strand reaches as extend from the positive drive units to the knitter head. The feeding of the strands takes place while the bank of supply packages, the bank of positive drive units, the knitter head and the array of feed paths all are rotated about an axis that extends substantially centrally among the rotating feed paths. Each feed path has a first reach that extends from a separate supply package to the capstan of a separate one of the positive drive units, a second reach that is wrapped around the capstan of its positive drive unit, and a third reach that extends from its positive drive unit to the knitter head. The capstans of the positive drive units are power driven, rotate in unison, and tension the first reaches as is required to pay out the strands from their supply packages. Because the second reaches wrap tautly about the capstans of the positive drive units and rotate therewith at uniform speed, the third reaches are fed to the knitter head at a selected uniform feed rate and under substantially uniform tension regardless of such variations in tension as may be imparted to the first reaches as they are payed from their supply packages.

REFERENCES:
patent: 88888 (1869-04-01), Mayall
patent: 1972756 (1934-09-01), Blaesdell
patent: 2732884 (1956-01-01), Vanzo
patent: 3201954 (1965-08-01), Grelzin
patent: 3855821 (1974-12-01), Sterpra
patent: 3901052 (1975-08-01), Jacobsson

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