1531445 Tufting machines SPENCER WRIGHT INDUSTRIES INC 30 Oct 1975 [7 March 1975] 44798/75 Heading DIG A pattern attachment for a tufting machine comprises a multiplicity of parallel yarn feed roller modules 44 each having a housing 70 attached to a frame 48, a shaft journalled in the housing and bearing a feed roller 40 (e.g. associated with a single needle) at one end, a plurality of drive members e.g. sprockets 100, 102, 104 freely mounted on the shaft and selectively connectable to drive the shaft by associated, e.g. electromagnetic, clutches 106, 108, 110 controlled from a pattern mechanism 42, the sprockets 100, 102, 104 being driven at different speeds e.g. by chains 146, 148, 150 engaging corresponding sprockets of all the modules 44.
展开▼
