We claim the ornamental design for the frame tubes of a folding motorized chair, as shown and described.
FIG. 1 is a perspective view of the frame tubes of a folding motorized chair, showing the new design.
FIG. 2 is a right side elevation view thereof, with rear wheels and front casters omitted. The left side elevation view is a mirror image of the right side elevation view.
FIG. 3 is a right side elevation view thereof. The left side elevation view is a mirror image of the right side elevation view.
FIG. 4 is a front elevational view thereof.
FIG. 5 is a rear elevational view thereof.
FIG. 6 is a top plan view thereof.
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is another perspective view thereof showing an alternate position of use.
The broken lines are for illustrative purpose only and form no part of the claimed design.