Lowering sinker actuation cam set for circular knitting machines

Details Lowering sinker actuation cam set for circular knitting machines Lowering sinker actuation cam set for circular knitting machines

1998-05-20

1999-08-03

Fields, F.

Textiles: knitting

Independent-needle machines

Circular

66 93, 66108R, D04B 912

Patent

active

059310251

ABSTRACT:
A set of cams for actuating the lowering sinkers in circular knitting machines, for producing standard-terry knitting and sandwich-terry knitting. The cam set comprises cams and countercams which form a path for the heels of the lowering sinkers which have two lowering planes arranged at mutually different elevations for at least two yarns which are dispensed at a feed of the machine to form loops of terry knitting. The cam set also comprises, in the region of the path that corresponds to the descent of the needles of the needle cylinder to form loops of knitting with the two yarns dispensed at a feed of the machine, a cam which can move on command into two operating positions in order to produce at least one variation of the path formed by the cams and countercams. The movable cam has a first profile which can be engaged by the heels of the lowering sinkers and is suitable to produce, when the movable cam is in a first one of the two positions, a spacing of the sinkers from the axis of the needle cylinder with respect to the path in order to move the yarn, rested on the lower lowering plane of the lowering sinkers, away from the axis of the needle cylinder.

REFERENCES:
patent: 3394564 (1968-07-01), Brook
patent: 3937037 (1976-02-01), Moody
patent: 4535608 (1985-08-01), Plath et al.
patent: 4955211 (1990-09-01), Neher
patent: 5184483 (1993-02-01), Conti

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