The ornamental design for a toiletseatadaptor, as shown.
FIG. 1 is a perspective view of the first embodiment of the toilet seat adaptor in its intended environment. FIGS. 2-7 further illustrate details of the adaptor site.
FIG. 2 shows a detailed side view of the toilet seat adaptor in its intended environment.
FIG. 3 shows the toilet seat adaptor in perspective.
FIG. 4 shows a front view of the toilet seat adaptor.
FIG. 5 shows a simplified side view of the toilet seat adaptor of FIG. 2.
FIG. 6 shows a back view of the toilet seat adaptor; and,
FIG. 7 shows a bottom view of the toilet seat adaptor.
The dotted lines show only the environment for each embodiment and are not part of the claimed design.