Textiles: knitting – Independent-needle machines – Circular
Patent
1990-06-14
1992-03-17
Schroeder, Werner H.
Textiles: knitting
Independent-needle machines
Circular
66 54, 66104, D04B 900, D04B 1506
Patent
active
050957201
ABSTRACT:
Methods for circular weft knitting of variegated articles and selectively programmable circular weft knitting machine apparatus for carrying out such methods including means for effecting selective, controlled two dimensional displacement of compound needle member components and associated sinker elements so as to provide each such needle member with the selectable capability of performing a knit, tuck or float operation at each yarn feed location independent of the direction of knitting needle approach thereto. Also included therein are novel constructions for compound needle elements, sinker elements and terry instruments, as well as the provision of unbroken continuous cam tracks for effecting such controlled two dimensional displacement of yarn engaging knitting elements in a path that is symmetric intermediate each adjacent pair of yarn feed locations and also is symmetric with respect to the midlocation therebetween; an improved yarn feed system capable of presenting a plurality of yarns for selected utilization at each one of a plurality of yarn feed locations and means for monitoring yarn consumption and effecting adjustments in actual stitch length in response thereto. All of the foregoing are incorporated in an overall processor controlled knitting system that provides for central computerized control and performance monitoring of a plurality of remote knitting machines in association with individual control means associated with each knitting machine, each of the latter being of a construction that accommodates operations in accord with preprogrammed instruction and continuous monitoring of individual knitting machine performance in comparison therewith.
REFERENCES:
patent: 480043 (1892-08-01), Sedmihradsky
patent: 570335 (1896-10-01), Powell
patent: 1839123 (1931-12-01), Schubert
patent: 3754414 (1973-08-01), Uhlir
patent: 3902335 (1975-09-01), Durville
Annedeen Hosiery Mill, Inc.
Calvert John J.
Schroeder Werner H.
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