Mattress foundation corner connector and assembly method

1. A method for assembling a mattress foundation assembly using corner connector elements:

each corner connector element comprising:

a main body portion extending from a substantially planar bottom surface to a substantially planar top surface;

a substantially planar first side surface of the main body portion;

a substantially planar second side surface of the main body portion, wherein the first side surface and the second side surface are formed at substantially 90° relative to one another;

a first abutment surface extending substantially perpendicularly from a terminating edge of the first side surface, wherein a first portion of the first abutment surface extends above the top surface and a second portion of the first abutment surface terminates at the top surface;

a second abutment surface extending substantially perpendicularly from a terminating edge of the second side surface, wherein a first portion of the second abutment surface extends above the top surface and a second portion of the second abutment surface terminates at the top surface; and

a first corner abutment surface extending substantially perpendicularly from a terminating edge of the top surface adjacent the first portion of the first abutment surface;

a second corner abutment surface extending substantially perpendicularly from a terminating edge of the top surface adjacent the first portion of the second abutment surface, wherein the first corner abutment surface and the second corner abutment surface are formed at substantially 90° relative to one another; and

a radiused surface extending from a terminating edge of the first abutment surface to a terminating edge of the second abutment surface;

the method comprising:

attaching a first side surface of a first corner connector element to a first header element proximate a first terminating end of the first header element;

attaching a second side surface of a second corner connector element to the first header element proximate a second terminating end of the first header element;

attaching a first side surface of a third corner connector element to a second header element proximate a first terminating end of the second header element;

attaching a second side surface of a fourth corner connector element to the second header element proximate a second terminating end of the second header element;

attaching a second side surface of the first corner connector element to a first side rail element proximate a second terminating end of the first side rail element;

attaching a first side surface of the second corner connector element to a second side rail element proximate a first terminating end of the second side rail element;

attaching a second side surface of the third corner connector element to the second side rail element proximate a second terminating end of the second side rail element;

attaching a first side surface of the fourth corner connector element to the first side rail element proximate a first terminating end of the first side rail element;

securing a first terminating end of at least one support rib within a groove formed in an interior side of the first side rail element and securing a second terminating end of the at least one support rib within a groove formed in an interior side of the second side rail element, wherein the at least one support rib comprises at least one support rib half-lap joint formed in a top portion of the at least one support rib;

securing a first terminating end of at least one spine element within a groove formed in an interior side of the first header element and securing a second terminating end of the at least one spine element within a groove formed in an interior side of the second header element, wherein the at least one spine element comprises at least one spine element half-lap joint formed in a bottom portion of the at least one spine element to correspond to the at least one support rib half-lap joint, and wherein the at least one spine element half-lap joint is coupled to a corresponding support rib half-lap joint; and

securing a top deck panel atop the at least one spine element and the at least one support rib, within a recessed notch formed in each of the first header element, the second header element, the first side rail element, and the second side rail element.

2. The method of claim 1 , wherein the first header element and the second header element are of equal length.

3. The method of claim 1 , wherein the first side rail element and the second side rail element are of equal length.

4. The method of claim 1 , wherein one or more optional attachment apertures are formed in or through the first side surface and the second side surface.

5. The method of claim 1 , wherein the main body portion further comprises an interior portion, wherein the interior portion is defined substantially between the bottom surface, the top surface, the first side surface, and the second side surface.

6. The method of claim 5 , wherein the interior portion is formed of a solid portion of material.

7. The method of claim 5 , wherein the interior portion is at least partially hollow.

8. The method of claim 7 , wherein one or more strengthening ribs are formed within the hollow portion of the interior portion.

9. The method of claim 1 , wherein a corner is defined by the intersection of the first corner abutment surface and the second corner abutment surface.

10. The method of claim 1 , wherein a corner is defined by the intersection of the first corner abutment surface, the second corner abutment surface, and the top surface.

11. The method of claim 1 , wherein one or more recesses are formed in the first abutment surface and the second abutment surface.

12. The method of claim 1 , wherein the corner connector element is formed of a polymeric material.

13. The method of claim 1 , wherein the corner connector element is formed of a metal.

14. The method of claim 1 , wherein the corner connector element is formed of wood.

15. A method for assembling a mattress foundation assembly using corner connector elements:

each corner connector element comprising:

a main body portion extending from a substantially planar bottom surface to a substantially planar top surface;

a substantially planar first side surface of the main body portion;

a substantially planar second side surface of the main body portion, wherein the first side surface and the second side surface are formed at substantially 90° relative to one another;

a first abutment surface extending substantially perpendicularly from a terminating edge of the first side surface, wherein a first portion of the first abutment surface extends above the top surface and a second portion of the first abutment surface terminates at the top surface;

a second abutment surface extending substantially perpendicularly from a terminating edge of the second side surface, wherein a first portion of the second abutment surface extends above the top surface and a second portion of the second abutment surface terminates at the top surface; and

a first corner abutment surface extending substantially perpendicularly from a terminating edge of the top surface adjacent the first portion of the first abutment surface;

a second corner abutment surface extending substantially perpendicularly from a terminating edge of the top surface adjacent the first portion of the second abutment surface, wherein the first corner abutment surface and the second corner abutment surface are formed at substantially 90° relative to one another; and

a radiused surface extending from a terminating edge of the first abutment surface to a terminating edge of the second abutment surface;

the method comprising:

attaching a first side surface of a first corner connector element to a first header element proximate a first terminating end of the first header element;

attaching a second side surface of a second corner connector element to the first header element proximate a second terminating end of the first header element;

attaching a first side surface of a third corner connector element to a second header element proximate a first terminating end of the second header element;

attaching a second side surface of a fourth corner connector element to the second header element proximate a second terminating end of the second header element;

attaching a second side surface of the first corner connector element to a first side rail element proximate a second terminating end of the first side rail element;

attaching a first side surface of the second corner connector element to a second side rail element proximate a first terminating end of the second side rail element;

attaching a second side surface of the third corner connector element to the second side rail element proximate a second terminating end of the second side rail element;

attaching a first side surface of the fourth corner connector element to the first side rail element proximate a first terminating end of the first side rail element; and

securing a top deck panel atop within a recessed notch formed in each of the first header element, the second header element, the first side rail element, and the second side rail element.

16. The method of claim 15 , wherein the first header element and the second header element are of equal length.

17. The method of claim 15 , wherein the first side rail element and the second side rail element are of equal length.