Textiles: knitting – United needle machines – Straight
Patent
1987-05-08
1988-08-09
Feldbaum, Ronald
Textiles: knitting
United needle machines
Straight
66207, D04B 2300
Patent
active
047619732
ABSTRACT:
The guide bars of a warp knitting/crochet warp knitting as well as the plurality of needles associated with such machines are automatically fully controlled for each full reciprocal movement in the knitting cycle of said machines. The pattern bars, yarn guides and needles are all moved in synchronism with each other and the rotation of the main machine drive to generate various desired patterns through a programmable memory with the capacity to store all the information required to position all the pattern governing parts in a series of juxtapositions which produce the desired patterns in the cloth fabricated by said machine. Said programmable memory means is integrated with a signal processing means generating signals which control the rotation of Servo-Motors; direction of the rotation of said Servo-Motors; rate of rotation of said Servo-Motors; and duration of each said series of rotations. Said Servo-Motors are directly and rotably connected to the pattern bars of said machine in a direct manner in such a way that each said Servo-Motor is directly and integrally connected to its individual pattern bar by means of a screw bolt or a Moglese nut and Acme screw so that the reciprocal movement of the pattern bar is directly controlled by the clockwise or counter-clockwise movement of the Servo-Motor associated with each such pattern bar. The position of each of the elements which must interact in synchronism with each other is determined by an optical sensor integrated into each Servo-Motor. The position of those elements directly controlled by the Servo-Motor is transmitted directly to the controlled elements associated with the programmable memory. The time within which the control element means may operate is determined by feedback from a magnetic switch which is integrally connected to said knitting machine's main rotating shaft.
REFERENCES:
patent: 3762184 (1973-10-01), Schur et al.
patent: 4653293 (1987-03-01), Porat
Feldbaum Ronald
Litt Arnold D.
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