Bobbin changing apparatus

A bobbin changing apparatus adapted for use with a textile yarn processing machine having a plurality of yarn winding stations aligned along at least one side thereof and with the winding stations each having a bobbin mounting means, said apparatus comprising

• trackway means adapted to be disposed along at least said one side of said textile yarn processing machine,
• a thread operating carriage mounted for movement along said trackway means and to a position adjacent each winding station, and including means for severing and withdrawing the yarn being processed at an adjacent winding station, and for returning the yarn to its winding path when an empty bobbin has been positioned on the mounting means of such winding station, and
• a doffing carriage mounted for movement along said trackway means independently of said thread operating carriage and to a position adjacent each winding station, and including means for receiving a full bobbin from the mounting means of such adjacent winding station, and
• control means adapted for operatively interconnecting each winding station with each of said thread operating carriage and said doffing carriage, and for effecting movement of said thread operating carriage and doffing carriage to each winding station upon receipt of a signal, and for operatively actuating each of said thread operating carriage and doffing carriage upon being positioned adjacent such winding station.