Patent ID: 8370973

Claim:
A foldable mattress support comprising: a first upper frame; a second upper frame; a third upper frame; a lower frame; a first plate, wherein the first upper frame is pivotally attached to the first plate and pivots about a first axis, wherein the second upper frame is pivotally attached to the first plate and pivots about a second axis, and wherein the lower frame is pivotally attached to the first plate and pivots about a third axis; and a second plate parallel to the first plate, wherein the first upper frame is pivotally attached to the second plate and pivots about a fourth axis, wherein the third upper frame is pivotally attached to the second plate and pivots about a fifth axis, wherein the lower frame is pivotally attached to the second plate and pivots about a sixth axis, wherein each of the first, second and third axes is orthogonal to the first plate, wherein each of the fourth, fifth and sixth axes is orthogonal to the second plate, and wherein the fifth axis is spaced farther apart from the fourth axis than the first axis is spaced apart from the second axis.