Wheelchair frame

FIG. 1 is a perspective view of a first embodiment of a wheelchair frame showing our new design;

FIG. 2 is a front elevational view of the first embodiment of the wheelchair frame;

FIG. 3 is a left side elevational view of the first embodiment of the wheelchair frame with the right side being a mirror image thereof;

FIG. 4 is a top plan view of the first embodiment of the wheelchair frame;

FIG. 5 is a back elevational view of the first embodiment of the wheelchair frame;

FIG. 6 is a bottom plan view of the first embodiment of the wheelchair frame;

FIG. 7 is a left side elevational view of a second embodiment of the wheelchair frame with the right side being a mirror image thereof, wherein the front elevational view, top plan view, back elevational view, and bottom plan view thereof are the same as the first embodiment of the wheelchair frame;

FIG. 8 is a left side elevational view of a third embodiment of the wheelchair frame with the right side being a mirror image thereof, wherein the front elevational view, top plan view, back elevational view, and bottom plan view thereof are the same as the first embodiment of the wheelchair frame;

FIG. 9 is a perspective view of a fourth embodiment of the wheelchair frame;

FIG. 10 is a front elevational view of the fourth embodiment of the wheelchair frame;

FIG. 11 is a left side elevational view of the fourth embodiment of the wheelchair frame with the right side being a mirror image thereof;

FIG. 12 is a top plan view of the fourth embodiment of the wheelchair frame;

FIG. 13 is a back elevational view of the fourth embodiment of the wheelchair frame;

FIG. 14 is a bottom plan view thereof;

FIG. 15 is a left side elevational view of a fifth embodiment of the wheelchair frame with the right side being a mirror image thereof and further with the front elevational view, top plan view, back elevational view, and bottom plan view thereof being the same as the fourth embodiment of the wheelchair frame; and,

FIG. 16 is a left side elevational view of a sixth embodiment of the wheelchair frame with the right side being a mirror image thereof and further with the front elevational view, top plan view, back elevational view, and bottom plan view thereof being the same as the fourth embodiment of the wheelchair frame.

The broken line in FIGS. 1-6 showing the cross-members is for illustrative purposes only and forms no part of the claimed design.