Tufting machines

Sewing – Elements – Frames

Patent

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Details

112 79R, 112 79A, DO5C 1500

Patent

active

045012121

ABSTRACT:
Tufting apparatus and method for producing a high density tufted fabric in a wide range of gauges and patterns. In one embodiment the needles and backing material support fingers are laterally shifted together by a common drive controlled by a cam having pattern information thereon. The needles and fingers are shifted in a first direction while the needles are outside the backing material and are thereafter shifted back toward the original position after the needles have penetrated and are within the backing material. In another embodiment the needles are shifted in accordance with a first cam operated pattern control, and the support fingers are shifted by means of a second cam actuated pattern control. Provision may be made in the common drive for adjusting the amount of lateral shift provided by a single cam and/or utilization of the same cam with machines having different gauge part spacings. An additional feature is the provision of shifting the needles in a first direction and jogging the backing material in an opposite direction to provide a high density fabric having various patterns.

REFERENCES:
patent: 3109395 (1963-11-01), Batty et al.
patent: 3301205 (1967-01-01), Card
patent: 3964408 (1976-06-01), Smith
patent: 4119049 (1978-10-01), Puckett
patent: 4173192 (1979-11-01), Schmidt et al.
patent: 4224884 (1980-09-01), Shortte
patent: 4440102 (1984-04-01), Card et al.
patent: 4465001 (1984-08-01), Ingram

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