The ornamental design for a installationrodhead of shower curtain rod, as shown and described.
FIG. 1 is a perspective view of a installation rod head of shower curtain rod showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is an exploded view thereof; and
FIG. 9 is a front elevation view disclosing the installation rod head of shower curtain rod in an environment of use; and,
FIG. 10 is an enlarged view of the claim in a position of use taken from FIG. 9.
The broken lines directly adjacent the shaded areas depict unclaimed portions of the installation rod head of shower curtain rod while all other broke lines represent unclaimed environment.