PURPOSE: To smoothly perform the take out of an injection-molded article through the action of molded article taking out chucks in response to the size and shape of the injection-molded article by method wherein grasping width and the like, which correspond to the size and shape of the injection-molded article, are inputted in advance in a computer.

CONSTITUTION: The taking out device concerned is equipped with a servo motor 1 controlled by a computer, a rotating shaft 2 rotated through the rotation of the servo motor 1, a belt holding device 3, which is moved along the rotating shaft 2, a timing belt 4, which is driven by the movement of the belt holding device 3 held with the belt holding device 3, and molded article taking out chucks 5 and 5a, which are moved together with the movement of the timing belt 4.