Patent ID: 8407834

Claim:
A foldable mattress support comprising: a first section of the mattress support that includes a first upper frame and a first lower frame; a second section of the mattress support that includes a second upper frame and a second lower frame; a first hinge that includes a plate, wherein the first upper frame is pivotally attached to the first hinge and pivots about a first axis, wherein the second upper frame is pivotally attached to the first hinge and pivots about a second axis, wherein the first lower frame is pivotally attached to the first hinge and pivots about a third axis, wherein the second lower frame is pivotally attached to the first hinge and pivots about a fourth axis, and wherein each of the first axis, the second axis, the third axis and the fourth axis is orthogonal to the plate and passes through the plate at a separate fixed location; and a hinge extension attached to the first lower frame, wherein the first lower frame is oriented in a plane, wherein the third axis passes through the hinge extension and does not pass through the plane of the first lower frame, and wherein the hinge extension allows the first lower frame to be oriented parallel to the first upper frame when the first upper frame and the first lower frame are rotated so as to become adjacent to one another.