Textiles: knitting – Independent-needle machines – Circular
Patent
1974-07-05
1976-03-02
Stein, Mervin
Textiles: knitting
Independent-needle machines
Circular
66 42, D04B 900
Patent
active
039409503
ABSTRACT:
Multi-feed circular knitting machine having three level selecting means for lever operated needles. The needles have radially extending pivotally movable levers individually associated therewith in such manner that rocking movements of said levers act to raise and to lower the needles, and there are movable control members individually associated with the levers to rock the same in one direction to raise the needles from welt to tuck and to knit levels. There is a needle raise cam engageable with the control members to lower the same thereby to rock the levers to raise the needles and there is a needle lowering cam engageable with the levers thereby to rock the same in the opposite direction to lower the needles. The levers act to multiply the movement imparted to them by the needle raise and lowering cams thereby to move the needles along pathways which are steeper than the cam faces. Selectively operated pattern jacks individually associated with the control means are provided to disengage selected ones of the control members from the needle raise cam at two places along the face thereof in order to position selected ones of the needles at welt, tuck and at knit levels.
REFERENCES:
patent: 408952 (1889-08-01), Butz
patent: 472029 (1892-04-01), Cathcart et al.
patent: 1687132 (1928-10-01), Lombardi
patent: 2984999 (1961-05-01), Paul
patent: 3283540 (1966-11-01), Levin
patent: 3552148 (1971-01-01), Wiesinger
patent: 3793850 (1974-02-01), Wills-Moren et al.
patent: 3877255 (1975-04-01), Allavena
Knitting Times, Feb. 12, 1973, Vol. 42, No. 7, pp. 94 & 95.
Falik Andrew M.
Levin Nathan
Precision Fukuhara Works, Ltd.
Stein Mervin
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