Foundation unit with cushioned cross rails

Details Foundation unit with cushioned cross rails Foundation unit with cushioned cross rails

A - Human Necessities

47

C

360/28

A47C 23/12 (2006.01) A47C 23/00 (2006.01) A47C 23/043 (2006.01)

Patent

CA 1092729

ABSTRACT OF THE INVENTION An improved foundation unit for a mattress or the like is provided which is firmer in the center than conventional torsion spring-type foundation units while having sufficient flexibility under normal loads and weight distribution to comfortably support a body upon an overlying mattress. The foundation unit includes a resilient border which protects the edge of an overlying mat- tress from damage when subject to extraordinary weight concentra- tion and a center region formed of a plurality of cross rails cushioned at least about their upper surfaces which immediately underlie the upper surface of the unit. The cushioning elements may be thick foam housings that cover at least the upper surface of the cross rails or sinuous wire springs that extend along the length of the cross rails. The cross rails themselves preferably have a limited degree of flexibility so as to better withstand high impact loads.

313918

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