Wheelchair coupling mechanism

[0001]FIG. 1 is a top, perspective view of a wheelchair coupling mechanism according to the present design;

[0002]FIG. 2 is a bottom perspective view thereof;

[0003]FIG. 3. is a top view thereof;

[0004]FIG. 4 is a bottom view thereof;

[0005]FIG. 5 is a left side view thereof;

[0006]FIG. 6 is a right side view thereof;

[0007]FIG. 7 is a front view thereof; and,

[0008]FIG. 8 is a rear view thereof.

[0009]The broken lines in the drawings depict portions of the wheelchair coupling mechanism which form no part of the claimed design.