Textiles: knitting – Independent-needle machines – Straight
Patent
1986-07-03
1987-04-28
Feldbaum, Ronald
Textiles: knitting
Independent-needle machines
Straight
D04B 700
Patent
active
046603913
ABSTRACT:
A needle selection device for a flat knitting machine with knitting needles hich are pivotable into different positions comprises pivotable double-armed check levers which are associated with the respective needle channels along the length of the needle bed, the check levers each being pivotable by means of an electromagnet at the respective needle selection positions. In order to achieve a construction for the needle selection device which is compact, operationally reliable and has low maintenance requirements, the check levers are made of magnetically conductive material, permanent magnets are arranged on the carriage spaced in the direction of travel of the carriage and in alignment with the upper and lower lever arms of the check levers in such a way that the check levers are held by these permanent magnets in one or other of their two pivot positions, and the electromagnet is constructed and arranged in such a way that its pole shoes are arranged, at least on one lever arm side of the check levers, in the space between the poles of the corresponding permanent magnets.
REFERENCES:
patent: 2157989 (1939-05-01), Lawson
patent: 3518845 (1970-07-01), DeCerjat
patent: 3974664 (1976-08-01), Erb
patent: 4281523 (1981-08-01), Schimko
patent: 4414806 (1983-11-01), Schimko
Feldbaum Ronald
Universal Maschinenfabrik Dr. Rudolf Schieber GmbH & Co. KG
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