Textiles: knitting – Independent-needle machines – Circular
Patent
1997-07-29
1999-03-16
Falik, Andy
Textiles: knitting
Independent-needle machines
Circular
66 27, 66123, D04B 906
Patent
active
058815716
ABSTRACT:
A stitch cam for a circular knitting machine using needles having operating butts of a predetermined height, includes a support body having a front facing surface, a first cam plate fixedly attached to the front facing surface, and a second cam plate movably attached to the fixed cam plate. When assembled, the first and second cam plates define a closed cam track having a spacing sized for accommodating the operating butt of the needles. The movable cam plate includes a pin for engaging a spiral cam cylinder of the support body to provide linear motion of the movable cam plate relative to the first cam plate to alter the position of at least a portion of the closed cam track in order to selectively raise and lower the stitch level of the needles in a circular knitting machine. The movable cam plate includes a pair of narrow angled cam track defining sections which fit into corresponding slotted portions of the fixed cam plate, defining a path of travel, and include a geometry which allows the remainder of the needle to contact only the fixed cam plate. A shim member placed between the cam plates and support body allows radial adjustment of the stitch cam relative to a needle supporting element, such as a cylinder or dial, and facilitates movement of the movable cam plate relative to the front surface of the support body, particularly when dissimilar materials are used.
REFERENCES:
patent: 3869879 (1975-03-01), Brunner
patent: 3882694 (1975-05-01), Stepanek et al.
patent: 3961499 (1976-06-01), Stepanek et la.
patent: 4048817 (1977-09-01), Bianchi
patent: 4996853 (1991-03-01), Brega
patent: 5182927 (1993-02-01), Pernick
patent: 5577401 (1996-11-01), Pernick
patent: 5609044 (1997-03-01), Tacy
Falik Andy
Tompkins Brothers Company, Inc.
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