Tufting machine sliding needle bar support

Details Tufting machine sliding needle bar support Tufting machine sliding needle bar support

1986-07-18

1987-05-05

Feldbaum, Ronald

Sewing

Special machines

Embroidering

D05C 1506

Patent

active

046622918

ABSTRACT:
A tufting machine has a needle bar for carrying a plurality of needles for reciprocating into and out of a base material. A sliding needle bar mechanism may shift the needle bar laterally according to a pattern. The needle bar is mounted for reciprocation and for lateral movement relative to the direction of reciprocation by apparatus having a foot secured to a respective push rod of the tufting machine and laterally extending guide rods clamped to the foot. Blocks having linear bearings or bushings are secured to the needle bar and receive the guide rods so that upon lateral movement of the needle bar by means of the shifting apparatus the needle bar moves relative to the guide rods. This reduces the weight of the laterally moving mass and permits greater shifting speeds.

REFERENCES:
patent: 4399758 (1983-08-01), Bagnall
patent: 4465001 (1984-08-01), Ingram
patent: 4501212 (1985-02-01), Slattery

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