Patent ID: 6029318
Filing Date: 2000-02-29
Classification: D01H

Abstract:
A drafting frame for spinning machines, said drafting frame comprising for each sliver-drafting path:a lower array of lower rollers and belts spaced apart along said lower array;a pressing arm overlying said lower array of lower rollers and belts and carrying an upper array of rollers and belts juxtaposed with the lower rollers and belts and engaging a sliver along said path between said upper and lower arrays;a sliver-compaction unit at a downstream end of said path in said upper array juxtaposed with an output roller of said lower array for compacting drafted sliver between them, at least said unit being removable from said arm;respective seats along said lower array for detachably receiving said lower rollers and belts;holding means on said arm for detachable engagement with said unit and said upper rollers and belts whereby, upon removal of said unit, said upper rollers and belts are shiftable and for shifting said upper rollers and belts along said upper array for operation of the drafting frame without a sliver-compaction function.