Device for piecing a threat at a workstation of a textile machine comprising a suction nozzle and comprising a feeder unit

A device for piecing a thread at a workstation of a textile machine, comprising:

• a suction nozzle mounted at the workstation and configured to pick up a thread end of the thread from a bobbin, the suction nozzle comprising an entry opening for the thread, a suction orifice, and a suction channel;
• a feeder unit movable with respect to the suction nozzle and comprising a cover element configured to close the entry opening in a first position (I) of the feeder unit and to unblock the entry opening in a second position (II) of the feeder unit, the feeder unit configured to form a loop from the thread end sucked into the suction nozzle;
• and
• the cover element comprising a thread-guiding element having an open contour, the thread-guiding element disposed within the suction channel in the first position (I) of the feeder unit and outside of the suction channel in the second position (II) of the feeder unit.