Needle actuation device for knitting machines

Details Needle actuation device for knitting machines Needle actuation device for knitting machines

Filed on

1999-11-30

Date issued

2000-12-26

Examiner

Falik, Andy

Patent Class

Textiles: knitting

SubClass

Independent-needle machines

SubSubClass

Circular

Other Related Categories

D04B 1532

Type

Patent

Status

active

Patent number

061640905

Description

ABSTRACT:
A needle actuation device for knitting machines, comprising a cam supporting surface which faces a needle supporting element and supports at least one casting-off cam which has a profile arranged at an angle to the direction in which the needle supporting element moves with respect to the cam supporting surface during the operation of the machine. The profile of the casting-off cam can be engaged by a heel of the needles, or of needle pusher elements, which protrudes from the needle supporting element toward the cam supporting surface. The casting-off cam is supported by the cam supporting surface so that it can rotate about a first axis which is substantially perpendicular to the surface of the portion of the needle supporting element that faces in each instance the cam supporting surface and can rotate on command about the first axis in order to vary the inclination of its profile with respect to the direction of motion.

REFERENCES:
patent: 3795119 (1974-03-01), Bourgeois
patent: 4068498 (1978-01-01), Bourgeois
patent: 5335518 (1994-08-01), Lonati et al.

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