ABSTRACT
Thread guide rail: Thread guide rail is either a continuous round roll or flat rectangular cross section metallic strip. One rail per side, of the ring frame is provided to support the respective group of lappet guides. It is kept in housing just in front of roller beam, with the top surface about level with the upper surface of the roller beam. Handle is fitted at each extremity, to lift half of the guides on a one side of the frame simultaneously. This is mainly required at the point of doffing.
