Textiles: knitting – Independent-needle machines – Straight
Patent
1978-03-31
1980-10-14
Reynolds, Wm. Carter
Textiles: knitting
Independent-needle machines
Straight
D04B 1570, D04B 1574
Patent
active
042273846
ABSTRACT:
A cam carriage, provided with a jack-filled pattern wheel followed by a knitting cam system, travels along a needle bed of a flat-bed knitting machine. Those pattern-wheel jacks which are selected for operation by a jacquard mechanism cause selected needles to be transversely shifted away from the knitting cam system. The pattern wheel has a first and a second circumferential succession of jacks, and two jacks per interneedle interval of the pattern-wheel circumference. The needle-controlling portions of the jacks of the first succession are located at different heights from those of the second succession. Some groups of needles have jack-engaged members located at the height of the needle-controlling portions of the first jacks. The other groups of needles have jack-engaged members located at the height of the needle-controlling portions of the second jacks. As the cam carriage performs a stroke, and the pattern wheel performs a first rotation, the needles which the pattern wheel passes are controlled by the first circumferential succession of jacks. As the stroke continues, and the pattern wheel performs a second rotation, the needles which the pattern wheel passes during the second rotation are controlled by the second circumferential succession of jacks. Thus, a base pattern can have a width corresponding to twice the pattern-wheel circumference. The correlation between needle groups and the two circumferential successions of jacks is selectable, for implementing complex patterning effects.
REFERENCES:
patent: 2821073 (1958-01-01), Mehnery
patent: 3075372 (1963-01-01), Philip
patent: 3224227 (1965-12-01), Beckenstein
patent: 3283540 (1966-11-01), Levin
Reynolds Wm. Carter
Striker Michael J.
VEB Wirkmaschinenbau Karl-Marx-Stadt
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