free end of the nozzle body 421 in operation the nozzle body 421 is located with its suction opening 424 under the yarn layer of the take up package 411 a frame 425 is attached to one side of the free end of the nozzle body 421 and a roller 418 is supported for rotation in a horizontal position on the frame 425 the nozzle body 421 is translated between the standby position and the operating position where the roller 418 is inserted between the take up package 411 and the rotary drum 404 by a parallel motion mechanism not shown the operation of the yarn end finding device will be described hereinafter when yarn breakage occurs in the twisting and winding unit 402 operating in a state as shown in fig1 the broken end of the yarn on the side of the take up package 411 is wound around the surface of the take up package 411 upon the detection of the lighted pilot lamp indicating the twisting and winding unit 402 in which yarn breakage has occurred the robot 413 stops at a position corresponding to the same twisting and winding unit 402 to find the broken yarn end in the take up package 411 first the cradle operating lever 414 raises the cradle 410 to separate the take up package 411 from the rotary drum 404.