Textiles: knitting – Feeding – Positive
Patent
1988-10-06
1990-11-13
Reynolds, Wm. Carter
Textiles: knitting
Feeding
Positive
D04B 1550
Patent
active
049693395
ABSTRACT:
A yarn feeder device for feeding yarns having elastic characteristics includes a feeder roll carried by a drive shaft which is journalled for rotation between a pair of shoulders. The feeder roll has a peripheral surface engaged by each peripheral surface of a pair of pressure rolls with yarn being fed tangentially therebetween. A pair of arms is pivoted to one of the shoulders and each arm rotatably carries one of the pressure rolls. A drive wheel is nonrotatably, but axially slidably connected to the drive shaft and is adapted for driving engagement with a rotatable drive disk. The drive wheel is also shiftable by a fork member along the drive shaft to vary the point of driving contact between the drive wheel and the drive shaft to thereby control the speed of the feeder roll. A pair of guide members guide the fork member for guiding movement along a path corresponding to the axial sliding direction of movement of the drive wheel, and a rod in threaded engagement with the fork member is operated by a stepping motor for selectively rotating the threaded rod.
REFERENCES:
patent: 2541192 (1951-02-01), Blake
patent: 3858416 (1975-01-01), White et al.
Reynolds Wm. Carter
Santoni & C. S.p.A.
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