Apparatus for shifting tufting machine needle bar

Details Apparatus for shifting tufting machine needle bar Apparatus for shifting tufting machine needle bar

1980-09-11

1981-08-25

Hunter, H. Hampton

Sewing

Special machines

Buttonhole

D05C 1530

Patent

active

042852870

ABSTRACT:
A tufting machine having a needle bar shifter apparatus including a follower member operatively connected to the needle bar and positioned within a guideway tiltable about both a lower pivot and an upper pivot. External force applied by positioner devices is selectively applied to pivot the top of the guideway about the lower pivot while the needle bar and follower member are in a lower position with a follower substantially aligned axially with the lower pivot, and to pivot the guideway about the upper pivot when the needle bar and follower member are in an upper position substantially aligned with the upper pivot point. The guideway is pivotably connected to control rods driven by the positioner devices. The momentum of the reciprocating needle bar provides a substantial amount of the force required for a lateral shift, and only small external force need be applied to the control rods.

REFERENCES:
patent: 3301205 (1967-01-01), Card
patent: 3393654 (1968-07-01), Barnes
patent: 3964407 (1976-06-01), Ingram et al.

Affiliated with

Also associated with

Rating

Apparatus for shifting tufting machine needle bar does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus for shifting tufting machine needle bar, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for shifting tufting machine needle bar will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1153669