US 12,239,230 B2
Adjustable firmness mattress assemblies
Alex Grady, Atlanta, GA (US); and Victor Prince, Chamblee, GA (US)
Assigned to DREAMWELL, LTD., Doraville, GA (US)
Filed by DREAMWELL, LTD., Doraville, GA (US)
Filed on Mar. 31, 2022, as Appl. No. 17/709,969.
Prior Publication US 2023/0309704 A1, Oct. 5, 2023
Int. Cl. A47C 23/28 (2006.01); A47C 23/16 (2006.01); A47C 23/18 (2006.01); A47C 23/20 (2006.01); A47C 23/22 (2006.01); A47C 23/24 (2006.01); A47C 23/26 (2006.01)
CPC A47C 23/28 (2013.01) [A47C 23/24 (2013.01); A47C 23/26 (2013.01); A47C 23/16 (2013.01); A47C 23/18 (2013.01); A47C 23/20 (2013.01); A47C 23/22 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A mattress assembly comprising:
a rail assembly comprising first and second side rails spanning a length of the mattress assembly and first and second transverse rails spanning a width of the mattress assembly attached at terminal ends to corresponding terminal ends of the first and second rails to define a perimeter of the rail assembly; and a single adjustable rail extending between and adjustably coupled to the first and second side rails or the first and second transverse rails, wherein the first and second side rails and the first and second transverse rails are fixedly positioned relative to one another, and the single adjustable rail is coupled to and movable relative to the first and second side rails or the first and second transverse rails; and
a stretchable fabric panel, wherein a portion of the stretchable fabric is attached to the single adjustable rail and a portion is attached to an opposing one of the fixedly positioned rails, wherein a tension of the stretchable fabric panel is configured to be axially adjusted upon movement of the single adjustable rail, and wherein the stretchable fabric panel has length and width dimensions less than the perimeter length and width dimensions corresponding to the rail assembly.