Patent ID: 8635727
Filing Date: 2014-01-28
Classification: B60N,B60P,B62D

Abstract:
1. A variable-size bed comprising: a mattress core; and a base configured to support at least a portion of the mattress core, wherein the mattress core and base have adjustable widths or lengths and each of the mattress core and base is changeable between an expanded state and a contracted state corresponding to an expanded state and a contracted state of the bed, respectively, wherein the bed further includes a cover configured to provide covering over the mattress core in both the expanded state and the contracted state of the bed, wherein the mattress core is a pocket-spring mattress core having a plurality of interconnected coil springs enclosed in spring covers, in which the pocket-spring mattress core includes at least two springs that are located adjacent to one another and are arranged side-by-side to be aligned along an axis extending in a direction in which the mattress core and base adjust in said widths or lengths between the expanded and contracted states, wherein each of the at least two springs includes a central axis, which are aligned substantially parallel to the axis extending in the direction that the mattress core expands and contracts, and wherein the at least two springs are spaced apart by an interadjacent separation distance when the mattress core is in the expanded state and are closer together when the mattress core is in the contracted state.