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| Number | Title | Issue Date |
| 7178187 | Asymmetric spring components and innersprings for one-sided mattresses Asymmetric spring components for mattress and other flexible support structures, in the form of helical coil springs with turns in the coil body having varying pitch angles and radii, and a single support end for use in a one sided innersprings in one-sided mattress... | 02/20/2007 |
| 7047581 | Stranded mattress spring A mattress construction with a stranded wire spring is disclosed. The stranded wire spring can be designed with the same performance characteristic as a conventional single strand coil spring, but at a lower manufacturing and material cost. ... | 05/23/2006 |
| 6996865 | Mattress structure A mattress comprises a support plate having a plurality of mounting holes, a plurality of independent spring assemblies individually mounted to the support plate, and a cover enclosing the support plate and the plurality of spring assemblies. Each of the spring asse... | 02/14/2006 |
| 6966085 | Sleep system A sleep system, for providing a bed, includes a frame with cross support members coupled with a first and second panel assembly. A sleep support mechanism operationally engages the first and second panel assemblies with one another and further engages a pad to provi... | 11/22/2005 |
| 6931685 | One-sided mattress A one-sided mattress construction includes a spring assembly with asymmetric spring coils. Only the bottom portion of each spring coil is attached, either to adjacent spring coils or to a bottom surface of the mattress. The top portion of each spring may have a narr... | 08/23/2005 |
| 6721981 | Body support apparatus A body support apparatus, for example, a bed, includes a support surface defined by support members. Each support member is mounted for movement in a direction substantially normal to the support surface. Support members are so arranged that movement of any one of t... | 04/20/2004 |
| 6647574 | Coupled waveband suspension for bedding and seating units A coupled waveband (14, 21) suspension for bed underframes, seating, upholstery, and mattresses consists of several sinusoidal wavebands (14, 21) which run parallel and/or transversely to the longitudinal axis. Support elements (12, 35) are rigidly or mov... | 11/18/2003 |
| 6487738 | Constant restoring force support surface An all mechanical support surface that tracks the flotation properties of a true fluid and utilizes a series of constant restoring force springs connecting reciprocating pistons which have supporting surfaces with multiple degrees of freedom to define a u... | 12/03/2002 |
| 5558314 | Fluid-like support device A support device having a plurality of support units, each comprising a plurality of flexible, substantially vertical support columns, with the bottoms of the support columns attached at equidistant intervals to a base member and the tops of the support c... | 09/24/1996 |
| 5426799 | Mattress system The invention relates to a generic mattress system which is easily adjustable to differing and space varying stresses with limiting spring paths. It has a top mattress and a bottom mattress with supporting elements connected to a frame and located in the ... | 06/27/1995 |
| 4965898 | Innovative structure of cushion The present invention is related to a new cushion structure generally comprised of a plurality of spring plates each having respectively mounted thereon a pair of smooth spherical elements. Responsive to an individual sitting on the cushion, the spherical... | 10/30/1990 |
| 4956884 | Modular box spring mattress A modular box spring mattress includes two flexible plate units each of which consists of a plurality of plate subunits. The plate subunits of either of the plate units include a plurality of annular flanges which extend toward the adjoining plate unit. T... | 09/18/1990 |
| 4703526 | Undermattress using paired slats and an elastic supporting member The spring bridges of an undermattress are provided with lifting slats (9) which lift the unloaded mattress during the day for the purpose of better airing of the plywood springs (4, 5). During loading by a reclining person, the lifting slats (9) fall bac... | 11/03/1987 |
| 4628555 | Innerspring mattress An innerspring mattress comprising a plurality of wire or flat spiral springs which have securement ends secured to the mattress frame and support ends supporting an elastic material surface on which the springs are designed and positioned such that a res... | 12/16/1986 |
