Movable carriage for suction fan

The kit is composed by a bearing fixed on the side frames of the loom.
The movable carriage for suction fan pipe is fixed on the bearing. The kit can be completed with a suction fan bag suited to the fabbric produced on the loom. The carriage can move automatically and its control is indipendent from the loom . the carriage can also be moved by  touch control. The carriage move from right side to left and back, with a stroke fixed by the worker.