Textiles: knitting – Independent-needle machines – Circular
Reexamination Certificate
2001-02-21
2001-09-11
Worrell, Danny (Department: 3765)
Textiles: knitting
Independent-needle machines
Circular
C066S107000
Reexamination Certificate
active
06286343
ABSTRACT:
FIELD OF THE INVENTION
The present invention pertains to the manufacture of terry cloth knitwear on circular knitting machines and stocking knitting machines and more specifically to the manufacture of designed terry cloth knitwear.
BACKGROUND OF THE INVENTION
Among the various methods for the manufacture of terry cloth knitwear on circular knitting machines and stocking knitting machines, one is known that uses, in combination, the needles on the cylinder and terry cloth sinkers on a sinker ring, which lies above the cylinder and rotates with same.
The terry cloth knitwear is usually manufactured by starting from at least two yarns fed in in such a way that a first yarn leads to the formation of a basic stitch, while the other yarn is used to form the oblong terry cloth loops on the terry cloth sinkers, configured as needed.
On such machines, it is currently possible to manufacture designed or “sculpted” terry cloth knitwear by means of a selection of the sinkers, which is made based on an operating program with the selection means, acting on selection bottom parts that are integral with the sinkers, but with remarkable performance and selection limits.
SUMMARY AND OBJECTS OF THE INVENTION
The primary object of the present invention is to provide a novel, original device for the selection of the terry cloth sinkers on circular knitting machines, a device which makes possible a selection of sinker by sinker with optimal results and without limitations in the programming of the manufacture of more and more elaborate and valued knitted manufactured articles.
The object is accomplished, according to the present invention, with the use of horizontal sinkers which are capable of oscillations in a vertical plane and where with each sinker is associated a selector element which is provided with selection teeth interacting with a lever selection unit and which oscillates between an inactive position, in which it has no effect on the respective sinker, and an active position, in which it forces the respective sinker to pass from a resting position to an operating position
The various features of novelty which characterize the invention are pointed out with particularity in the claims annexed to and forming a part of this disclosure. For a better understanding of the invention, its operating advantages and specific objects attained by its uses, reference is made to the accompanying drawings and descriptive matter in which a preferred embodiment of the invention is illustrated.
REFERENCES:
patent: 4314461 (1982-02-01), Conti
patent: 4519221 (1985-05-01), Hirano
patent: 6089047 (2000-07-01), Wang
patent: 6105402 (2000-08-01), Lee
McGlew and Tuttle , P.C.
Sangiacomo S.p.A.
Worrell Danny
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