Patent ID: 7503084

Claim:
A mattress support system for supporting at least two mattresses, the mattress support system comprising: first and second mattress support units, each of the first and second mattress support units comprising: first and second rails; first and second slats, wherein: a first joint connects a first end of the first slat to the first rail; a second joint connects a second end of the first slat to the second rail; a third joint connects a first end of the second slat to the first rail; and a fourth joint connects a second end of the second slat to the second rail, such that the first and second rails and the first and second slats define a rectangular mattress support structure to support an adult size mattress; a first adjustable height leg assembly connected to the first joint, wherein the first adjustable height leg assembly comprises a first foot and a first threaded stanchion, the first threaded stanchion having a first end fixedly connected to the first joint and a second end adjustably connected to the first foot; a second adjustable height leg assembly connected to the second joint, wherein the second adjustable height leg assembly comprises a second foot and a second threaded stanchion, the second threaded stanchion having a first end fixedly connected to the second joint and a second end adjustably connected to the second foot; a third adjustable height leg assembly connected to the third joint, wherein the third adjustable height leg assembly comprises a third foot and a third threaded stanchion, the third threaded stanchion having a first end fixedly connected to the third joint and a second end adjustably connected to the third foot; and a fourth adjustable height leg assembly connected to the fourth joint, wherein the fourth adjustable height leg assembly comprises a fourth foot and a fourth threaded stanchion, the fourth threaded stanchion having a first end fixedly connected to the fourth joint and a second end adjustably connected to the fourth foot; and a first rigid link comprising first and second apertures, wherein (i) the first threaded stanchion of the first adjustable height leg assembly of the first mattress support unit passes through the first aperture of the first link and (ii) the first threaded stanchion of the first adjustable height leg assembly of the second mattress support unit passes through the second aperture of the first link, allowing the first and second mattress support units to be secured when the elevations of the first and second support units differ, where the elevations of the mattress support units are measured from the floor to the level of the slats and rails for the first and second mattress support units.