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| Number | Title | Issue Date |
| 7404223 | Innerspring coils and innersprings with non-helical segments Innerspring coils for innersprings for mattresses and other reflexive support structures, have generally helical coil bodies and at least one non-helical segment or step which extends between one or both axial ends of the coil body and one or both of the coil ends. ... | 07/29/2008 |
| 7329258 | Damping element A damping element (1) comprising (a) two spring elements (2, 4) which are coaxial with or parallel to a longitudinal axis (3) and two axially end-wise connectors (5, 6) which can be linked to the spring elements (2, 4), where (b) t... | 02/12/2008 |
| 7219381 | Perimeter stiffening system for a foam mattress A stiffening system for the perimeter edges of a foam core mattress comprising a coil spring (or other spring-based) structure disposed along one or more perimeter edges (e.g., one or both side edges, the foot, the head, or a combinations thereof including the foot ... | 05/22/2007 |
| 7210181 | Spring construction An improved spring construction for mattresses, box springs, furniture and other applications is provided. The application of such springs in mattresses, box springs, furniture and other applications is also provided. In one aspect of the invention, the spring const... | 05/01/2007 |
| 7194777 | Pocket mattress with varying height A mattress comprising coil springs arranged as spring units in covering pockets, a so-called pocket mattress, is provided. The spring units of the mattress are arranged in succession in elongate strings, the mattress comprising a plurality of such interconnected str... | 03/27/2007 |
| 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 |
| 7127792 | Method of manufacturing spring assembly A method of manufacturing a spring assembly, which includes two annular plates and compression coil springs, and which is adapted so that the compression coil springs are assembled to the annular plates by caulking projection portions formed on the two annular plate... | 10/31/2006 |
| 7063309 | Mattress spring structure The invention concerns a mattress spring structure that includes multiple spring assemblies. Each spring assembly comprises an array of open-ended spring coils. The spring assemblies are arranged in superimposed relationship with the individual spring coils of the r... | 06/20/2006 |
| 7048263 | Separated pocket spring mattress A spring mattress comprising a plurality of interconnected coil springs (1) enclosed in covers (2), known as a pocket-spring mattress, is described, wherein at least two springs that are located adjacent to one another are spaced apart by an interjacen... | 05/23/2006 |
| 7044454 | Mattress inner spring assembly The invention concerns inner spring assemblies for mattresses, typically bed mattresses. The invention proposes an inner spring assembly having open-ended coil springs arranged in first rows and second rows transverse to the first rows and a connecting arrangement w... | 05/16/2006 |
| 7036370 | Spring assembly with cantilevered spring rods A spring assembly and an apparatus incorporating the same. The spring assembly includes a base block configured to be rigidly fixed to a frame. A pair of nominally identical spring rods is cantilevered from the base block in a first direction. Each rod has a length,... | 05/02/2006 |
| 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 |
| 6681428 | Method of making pocketed coil spring unit with combination of scrim sheets and inter-row bonding A pocketed coil spring unit and associated method of assembly combines top and bottom sheets with bonding of the sidewalls of adjacent rows of pocketed coil springs. With this combination, a posturized spring unit is produced in a commercially efficient m... | 01/27/2004 |
| 6371458 | Spring mattress The invention relates to a spring mattress comprising a plurality of interconnected coil spring elements, whereby the mattress includes at least two layers extending in parallel with the plane on the mattress and each exhibiting different properties of re... | 04/16/2002 |
| 6272706 | Bedding or seating product having bands of springs A pocketed coil spring assembly for use in the manufacture of mattresses or cushions or the like comprising a plurality of strips of integrally connected closed fabric pockets each containing one helically coiled wire compression spring having its axis di... | 08/14/2001 |
| 6260223 | Pocketed coil spring units Spring sets each include a pair of coil springs joined together by a connecting wire and are encased in individual fabric pockets such that the connecting wire joining the coil springs spans an otherwise empty fabric pocket. A spring unit, mattress or the... | 07/17/2001 |
| 6173464 | Pocketed bedding or seating product A pocketed coil spring assembly for use in the manufacture of mattresses or cushions or the like comprising a plurality of strips of integrally connected closed fabric pockets each containing one helically coiled wire compression spring having its axis di... | 01/16/2001 |
| 6131892 | Belted pocketed springs and assemblies thereof Disclosed are pocketed upholstery springs in strip form characterized by placement of the closing seam midway between the ends of the springs of the strip, with the marginal flaps of the pocket strip fabric outwardly of the closing seam folded over as a t... | 10/17/2000 |
| 6056278 | Seating suspension assembly and method A seating suspension assembly provides efficiency in the manufacture of upholstered furniture such as chairs, sofas or the like. The preferred form of the invention comprises a pair of flexible, durable fabric straps having coil springs fixedly positioned... | 05/02/2000 |
| 6050553 | Device for connecting springs to form a support surface therewith A device for connecting springs together to define a support surface includes four arms each which extend in an outward radial direction from a center of the connecting device, the length of each arm defined by two sides extending in spaced relation to on... | 04/18/2000 |
| 5927695 | Bed coil spring unit and method of making same A bed coil spring unit comprises a plurality of joined and interconnected spring cell units and a method of manufacturing the same. Each spring cell unit comprises a plurality of coil springs within long legs which long legs are used to form the coil spri... | 07/27/1999 |
| 5868383 | Multiple rate coil spring assembly An automated method for the manufacture of a coil spring assembly including inserting coil springs having predetermined multiple spring rates into respective individual pockets of a continuous pocket strip in a predetermined order. The predetermined multi... | 02/09/1999 |
| 5713088 | Innerspring construction with springs having free terminal convolutions An innerspring assembly, such as for use in a mattress, comprises a plurality of coil springs defining upper and lower terminal convolutions and body portions therebetween. Adjacent coil springs are attached together at the body portions thereof with the ... | 02/03/1998 |
| 5699999 | Aligned mattress spring core A mattress inner spring core comprising a plurality of coil springs arranged in longitudinally extending columns and transversely extending rows. Each coil spring has an identically configured upper and lower end turn between which are a plurality of cent... | 12/23/1997 |
| 5669087 | Lacing wire zoned mattress A mattress spring core having a plurality of zones of differing firmnesses due to different characteristics of helical lacing connectors within the particular zones. The spring core has a plurality of identical coil springs arranged in side-by-side transv... | 09/23/1997 |
| 5584083 | Mattress spring core A spring core for a mattress consisting of a plurality of side-by-side rows of identically configured helical coil springs each made of a single piece of wire having a central portion of a first radius defining a central spring axis and terminating at opp... | 12/17/1996 |
| 5575460 | Spring core for a mattress Described is a spring core for a mattress, consisting of a multiplicity of identically shaped spiral springs with in each case two end rings lying diametrically opposite each other, which change to a spring coil part arranged centered between them, whereb... | 11/19/1996 |
| 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 |
| 5127635 | Pocketed continuous wire multiple coil spring bedding product A pocketed coil spring assembly for use in the manufacture of mattresses or cushions or the like comprising a plurality of longitudinally extending strips of integrally connected closed fabric pockets each containing at least one helically coiled wire com... | 07/07/1992 |
| 5104099 | Spring bedding product A spring interior comprising a plurality of longitudinally extending bands of springs disposed side by side and connected together by helical lacing wires in the top and bottom faces of the bands. Each band of springs comprises a single length of wire for... | 04/14/1992 |
| 5098124 | Padding to reduce injuries in automobile accidents Padding for use on vehicle doors for protection of occupants in side impact accidents is composed of a plurality of cells. Each cell is filled with air and sealed except for an orifice. The flow of the air through the orifice provides the damping required... | 03/24/1992 |
| 4986518 | Pocketed coil strings having a flat overlap side seam An encapuslated spring for use with mattresses, cushions, or the like, including a spring enclosed within flexible sheet material, the material being formed in a tubular configuration such that its longitudinal edges are in a flat overlap configuration. T... | 01/22/1991 |
| 4960267 | Edge-reinforced spring bedding product A spring interior comprising a plurality of longitudinally extending bands of springs disposed side by side and connected together by helical lacing wires in the top and bottom faces of the bands. Each band of springs comprises a single length of wire for... | 10/02/1990 |
| 4942636 | Spring bedding product A spring interior comprising a plurality of longitudinally extending bands of springs disposed side by side and connected together by helical lacing wires in the top and bottom faces of the bands. Each band of springs comprises a single length of wire for... | 07/24/1990 |
| 4886250 | Spring structure for cushion seating An adjustable coil seat is provided which utilizes the combination of a plurality of parallel rows of sinuous springs which are connected at opposite ends of the frame, at least one row of tapered conical coil springs in transverse relation to the sinuous... | 12/12/1989 |
| 4886249 | Spring bands for incorporation in spring units A known kind of spring unit, for use in mattresses, seats and the like, is made as an assembly of spring bands which are disposed side by side and a plurality of helical wires (5,6) which extend transversely to the bands and are linked to them. Each sprin... | 12/12/1989 |
| 4868941 | Assembled mattress having bellows for jacketing spring therein An assembled bed mattress includes an upper sheet having a plurality of upper sleeves made as bellows protruding downwardly from the upper sheet, a lower sheet having a plurality of lower sleeves made as bellows protruding upwardly from the lower sheet ea... | 09/26/1989 |
| 4867423 | Spring assembly having reinforced edge construction A rectangular spring assembly (10,10') of the continuous coil type is disclosed as including continuous coil edge reinforcers (20) at a first set of opposite margins (12) between which continuous coils (16) extend. Additional edge reinforcers (24,24') are... | 09/19/1989 |
