Drive for a tufting machine

Details Drive for a tufting machine Drive for a tufting machine

1986-07-18

1987-06-02

Feldbaum, Ronald

Sewing

Special machines

Embroidering

112 8042, D05C 1510, D05C 1512, D05C 1520

Patent

active

046694030

ABSTRACT:
A tufting machine has a needle bar drive mechanism including a first shaft on which drive eccentrics are mounted for driving connecting rod means which reciprocate the needle bar push rods and thus the needle bar. A second shaft is mounted adjacent the first shaft and gears mounted on the respective shafts are in meshing engagement with each other so that upon rotation of one shaft the other shaft rotates in the opposite direction. Counterbalancing weights on the needle bar driving shaft are disposed 180.degree. out of phase with the reciprocation of the needle bar, and counterbalancing weights on the other shafts counterbalance the rotational forces of the needle bar driving shaft. The other shaft is drivingly rotated by the tufting machine motor and also carries the hook and knife drive eccentrics. The construction is such that the reciprocating and rotating forces are counterbalanced by the two shafts.

REFERENCES:
patent: 3839972 (1974-10-01), Scott et al.
patent: 4010700 (1977-03-01), Webb
patent: 4187788 (1980-02-01), Cobble
patent: 4515096 (1983-05-01), Ingram
patent: 4586445 (1986-05-01), Card et al.

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