Textiles: knitting – Independent-needle machines – Circular
Patent
1977-07-20
1978-10-17
Schroeder, Werner H.
Textiles: knitting
Independent-needle machines
Circular
66 57, D04B 900
Patent
active
041201779
ABSTRACT:
Means for selectively positioning needles in a circular knitting machine wherein a radially movable needle positioning cam is insertable from an inoperative position out of the path of control butts of needles or jacks into fully inserted or partially inserted positions to selectively engage all the butts or only long butts. A needle raising cam is mounted in advance of the needle positioning cam with its advance end pivoted for positioning of the raising cam down out of the path of control butts, in a fully raised position engaging the control butts to raise them clear of the positioning cam during insertion of the positioning cam, or in an intermediate inclined position to raise the control butts for engagement with the positioning cam at an inclination that permits high speed operation. The raising cam is mounted on a shaft that is operated by a mechanism that is driven from a pattern drum mounted on the machine coaxial and underlying the needle cylinder.
REFERENCES:
patent: 1678385 (1928-07-01), Grothey
patent: 2260579 (1941-10-01), Miller
patent: 3148518 (1964-09-01), Peel et al.
patent: 3299673 (1967-01-01), Noll
patent: 3449928 (1969-06-01), Schmidt et al.
patent: 3662572 (1972-05-01), Lonati
patent: 3726110 (1973-04-01), Conti
patent: 3780539 (1973-12-01), Mishcon
Brematex S.p.A.
Falik Andrew M.
Schroeder Werner H.
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