Textiles: knitting – Independent-needle machines – Circular
Patent
1974-05-06
1976-08-03
Rimrodt, Louis K.
Textiles: knitting
Independent-needle machines
Circular
66 36, D04B 900
Patent
active
039722066
ABSTRACT:
A knitting unit selection device for a knitting machine includes a plurality of pivotable knitting unit actuators which are aligned in one level of the machine and which cooperate with guiding cams to be brought into the influence of a single magnetic actuator at each of a pair of selection positions of the machine. The magnetic actuator includes a permanent magnet and a field-weakening electromagnet disposed at each of the selection locations of the machine. A pair of spaced cam-lifting arrangements are individually associated with the selection positions for moving certain of the needle units between a disengaged and a knit position and between a disengaged and a tuck position, respectively. Each of the cam lifters are so located relative to the successive needle units that the movement of the needle unit into engagement with the cam lifter when such unit is selected is identical for each of the cam lifters. Additional facilities are provided for maintaining the remainder of the needle units in the disengaged position.
REFERENCES:
patent: 1697488 (1929-01-01), Ames
patent: 2080525 (1937-05-01), Ames
patent: 2913887 (1959-11-01), Ducharme
patent: 3240032 (1966-03-01), Carrotte
patent: 3365917 (1968-01-01), Schmidt et al.
patent: 3512377 (1970-05-01), Widdowson et al.
patent: 3550398 (1970-12-01), Widdowson
patent: 3715897 (1973-02-01), Hadam
patent: 3742732 (1973-07-01), Plath
patent: 3885405 (1975-05-01), Bartels
Falik Andrew M.
Rimrodt Louis K.
VVU Zavodu vseobecneho strojirenstvi
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