Device for advancing the main drum in a circular knitting machin

Details Device for advancing the main drum in a circular knitting machin Device for advancing the main drum in a circular knitting machin

1979-04-09

1980-11-04

Reynolds, Wm. Carter

Textiles: knitting

Pattern system

Flexible member type

66237, D04B 1500

Patent

active

042312353

ABSTRACT:
For advancing the main drum in a circular knitting machine there is provided a device comprising a ratchet wheel rigid with the drum and having five rows of teeth axially spaced thereon. Five pawls are movable back and forth for engagement with the teeth of a respective row. A primary pawl can be disengaged from the ratchet wheel under control of the main chain, and four secondary pawls reciprocate in regular succession so as to perform two back and forth movements in the span of two revolutions of the needle cylinder(s). The secondary pawls have a front end wider than the axial width of the teeth. Between the rows of teeth there are arcuate members having a circumferential length depending on the knitting program and a height such as to disengage the pawls from the respective teeth. The arcuate members may be easily replaced to provide further advancing sequences for the main drum.

REFERENCES:
patent: 1065487 (1913-06-01), Wildman et al.
patent: 4072029 (1978-02-01), Harlow et al.

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