The ornamental design for the vertical channel vehicle lift arm, as shown and described.
FIG. 1 is a front perspective view of a vertical channel vehicle lift arm, showing our new design.
FIG. 2 is a front perspective view of the vertical channel vehicle lift arm of FIG. 1.
FIG. 3 is a rear perspective view of the vertical channel vehicle lift arm of FIG. 1.
FIG. 4 is a front view of the vertical channel vehicle lift arm of FIG. 1.
FIG. 5 is a rear view of the vertical channel vehicle lift arm of FIG. 1.
FIG. 6 is a left perspective side view of the vertical channel vehicle lift arm of FIG. 1.
FIG. 7 is a right perspective side view of the vertical channel vehicle lift arm of FIG. 1.
FIG. 8 is a top view of the vertical channel vehicle lift arm of FIG. 1; and,
FIG. 9 is a bottom view of the vertical channel vehicle lift arm of FIG. 1.
The broken lines showing a ramp and elements of a ramp in FIG. 1 are for the purpose of showing environmental structure and form no part of the claimed design. The broken lines in FIGS. 2 through 9 are for the purpose of showing portions the vertical channel vehicle lift arm and form no part of the claimed design.