The ornamental design for a pullcordposition-apart device of window curtain, as shown and described.
FIG. 1 is a perspective view of a pull cord position-apart device of a window curtain;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is a perspective view of the design showing that the pull cord position-apart device and a roller set are mounted on a bottom face of a sheet in which pull cords being passing through, the broken line forming the pull cords, the roller set and the sheet of the design that forms no part of the claim.
The device is mounted in a window rail or installed in a window rail by means of a sheet as shown in FIG. 8.