US Patent 9033300 Artist's painting support structure

A support and transport structure for carrying a “painting-in-progress” frame with canvas wherein an artist's painting canvas is stretched over and fastened to the frame, and wherein the structure has a rack having at least one upstanding guide rail which is vertically slotted, wherein clamp means is affixed only to the frame and is isolated from all painted portions of the canvas, and wherein the clamp means has a guide journal structure which slides up or down within the guide slot to maintain the painted surface of the canvas completely isolated from all portions of the rack and clamp means.