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1. (WO2019045988) ADJUSTABLE SUPPORT LEGS FOR A MATTRESS FOUNDATION
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CLAIMS

What is claimed is:

1. A mattress assembly, comprising:

a foundation frame comprising side frame members and transverse frame members attached at respective ends by a corner bracket to define a generally rectangular shape;

a deck supported by the foundation frame, the deck including a head and back section, an intermediate seat section, and a leg and foot section; and

an adjustable support leg coupled to each one of the corner brackets and configured to independently change an elevation of the foundation frame relative to ground.

2. The mattress assembly of claim 1, wherein the adjustable support leg comprises an outer tubular member fastened to an interior facing portion of the corner bracket, the outer tubular member including a plurality of linearly arranged and spaced apart apertures; an inner tubular member including a portion disposed within an interior region of the outer tubular member and including at least one aperture, and at least one pin engageable with a selected one of the plurality of linearly arranged and spaced apart apertures in the outer tubular member and the at least one aperture of the inner tubular member when aligned, wherein the aligned inner and outer tubular member apertures defines a distance of the elevation of the foundation frame relative to the ground.

3. The mattress assembly of claim 1, further comprising a caster coupled to a bottommost surface of the adjustable support leg for supporting the adjustable support leg on a surface.

4. The mattress assembly of claim 1, wherein the adjustable support leg comprises an outer tubular member fastened to an interior facing portion of the corner bracket; and a motorized linear actuator coupled to the outer tubular member, the motorized linear actuator including a motor and an extendible portion coupled to the motor, wherein the extendible portion is configured retract and extend relative to the outer tubular member to change the elevation of the foundation frame relative to ground.

5. The mattress assembly of claim 4, wherein the extendible portion further comprises a caster attached to a free end of the extendible portion.

6. The mattress assembly of claim 1, wherein the head and back section is hingedly connected to the intermediate seat section at one end and the leg and foot section is hingedly connected to the intermediate seat section at another end, wherein the intermediate seat section includes an upper panel and a lower panel spaced apart from the upper panel, wherein the lower

panel is hingedly connected to the head and back section, and wherein the upper panel is stationary and hingedly connected to the leg and foot section; and a linkage assembly operative to independently effect inclination or declination of the head and back section and the leg and foot section relative to the lumbar section.

7. The mattress assembly of claim 1, further comprising a foam block coupled to an exterior facing portion of the corner bracket, wherein the foam block has an arcuate shaped exterior portion projecting from the corner bracket.

8. The mattress assembly of claim 1, wherein the deck is non-articulating.

9. The mattress assembly of claim 1, wherein the deck is formed of a unitary member configured to support a mattress.

10. The mattress assembly of claim 1, further comprising a controller in operative communication with each one of the adjustable leg supports to extend and retract the extendible portion therein of a selected one or ones of the adjustable leg supports.

11. The mattress assembly of claim 1, wherein the corner bracket comprises an interior facing portion and an exterior facing portion at an angle of about 45 degrees relative to the side frame members and the transverse frame members.

12. A process for adjusting a height of a mattress, the process comprising:

lowering or raising adjustable support legs along a selected one or both of a longitudinal length of a foundation frame upon which a mattress is disposed, the adjustable support legs coupled to and configured to elevate the foundation frame relative to ground, the adjustable support leg comprising an outer tubular member fastened to the foundation frame; and a motorized linear actuator coupled to the outer tubular member, the motorized linear actuator including a motor and an extendible portion coupled to the motor, wherein the extendible portion is configured to selectively retract from and extend from the outer tubular member for adjusting the height of the foundation frame relative to ground.