Back to results
US 4,393,793 AGranted
Tufting machine with adjustable yarn guide tube bank
AssigneeTuftco Corporation
InventorMax M. Beasley
Life of this patent
Estimating the term…
Abstract
A bank of yarn guide tubes mounted for vertical adjustment upon the rear portion of a multiple-needle tufting machine for guiding yarns from a yarn supply to the needles, on the fabric delivery side of the machine, and with a minimum of threaded yarn guide elements.
Claims9
In a tufting machine having means for supporting a base fabric for longitudinal movement in a feeding direction from front to rear through said machine, a plurality of transversely spaced reciprocal needles for introducing yarns through the base fabric to form loops, a yarn jerker bar reciprocably moving with the needles, yarn guide means comprising:
- (a) a yarn tube bank including a plurality of yarn guide tubes having upper and lower open ends,
- (b) mounting means supporting said yarn tube bank on the machine above the base fabric,
- (c) said yarn tube bank comprising a yarn jerker member spanning the lower ends of said yarn guide tubes,
- (d) each of said yarn guide tubes receiving a yarn from a yarn supply through its upper end and guiding said yarn through said corresponding yarn guide tube, and across said yarn jerker member and the yarn jerker bar to a corresponding needle, and
- (e) adjustment means for vertically adjusting the position of said yarn jerker member on said machine relative to said needles.
2 more elements
Dependencies are inferred from the claim text.