1
Charles W Watkins: Needle plate for double needle bar loop pile tufting apparatus. Tuftco Corporation, Harrington A Lackey, June 27, 1989: US04841886 (33 worldwide citation)

A needle plate member for a multiple needle loop pile tufting machine including double needle bars supporting transverse rows of front and rear needles in which at least one row of needles has a narrow gauge. Finger members or needle plate fingers project rearward from the needle plate and extend re ...


2
Charles W Watkins: Double needle bar loop pile tufting apparatus. Tuftco Corporation, Harrington A Lackey, January 31, 1989: US04800828 (17 worldwide citation)

A multiple needle tufting machine incorporating a pair of relatively transversely adjustable front and rear needle bars, each needle bar supporting corresponding front and rear needles in transverse rows for simultaneous penetration of a base fabric moving in a feeding direction through the machine. ...