Patent ID: 8671657

Claim:
A drafting arrangement unit for configuration with one or more spinning units of a spinning machine, comprising: a first top roller; a first bottom roller rotatably mounted on a base carrier, the base carrier attachable to a drafting arrangement carrier on the spinning machine; the first top roller and first bottom roller defining a first pair of rollers having a clamping region; the first top roller fastened to the base carrier via a pivotable guide arm of a load device; a fastening device configured to detachably mount the drafting arrangement unit to the spinning machine adjacent the one or more spinning units; the base carrier further comprising a first guiding device that interacts with a second guiding device on the drafting arrangement carrier on the spinning machine to position and align the drafting arrangement unit on the spinning machine; a tensioning device configured to load the guide arm relative to the spinning machine, the tensioning device comprising a first tensioning component that interacts with a second tensioning component on the spinning machine; and the tensioning device also configured as a component of the fastening device, wherein locking the drafting arrangement unit on the spinning machine and loading the guide arm are carrier out at least in part via the tensioning device.