Textiles: knitting – Independent-needle machines – Circular
Patent
1977-07-20
1979-05-01
Schroeder, Werner H.
Textiles: knitting
Independent-needle machines
Circular
66231, 66 55, D04B 1574
Patent
active
041517296
ABSTRACT:
A circular knitting machine having a program or pattern drum coaxial and underlying the needle cylinder. The pattern drum is advanced intermittently and selectively by pawls engaging ratchet wheels of different pitch on the drum, with the pawls driven with different strokes though shafts parallel with the cylinder axis and oscillated by followers riding on cams on the needle cylinder, the followers being selectively and independently displaceable by electro-mechanical units to produce intermittent operation of the pattern drum. Cams on the drum act through followers mounted on shafts coaxial with the cylinder axis to oscillate operating arms for controlling radial cams for needle and jack butt manipulation, for controlling an arm with an inclined surface for displacing the cylinder to adjust the length of the loop being knit, and for controlling other instrumentalities of the machine. A yarn cutting device is mounted above the cylinder for free rotation and for lowering for driven engagement of an annular resilient friction member on the underside of the device by the cylinder through the knit fabric, thereby rotating the device to effect cutting of the knitting yarn.
REFERENCES:
patent: 1306523 (1919-06-01), Childrey
patent: 2301065 (1942-11-01), Mills
patent: 2749728 (1956-06-01), Griesbach
patent: 3141316 (1964-07-01), McCarthy et al.
Brematex S.p.A.
Falik Andrew M.
Schroeder Werner H.
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