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| Number | Title | Issue Date |
| 7287291 | Mattress with improved edge support A mattress is provided comprising a plurality of inner coil springs and an edge support. The edge support comprises a foam border extending along the outer perimeter of the mattress and around the inner coil springs, a plurality of spaced slits inserted into the foa... | 10/30/2007 |
| 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 |
| 7211167 | Method and apparatus for manufacturing innerspring assemblies A method for the manufacture of an innerspring assembly, suitable for a mattress, cushion, or the like, is disclosed. In one aspect, the method involves the steps of: positioning a first string of pocketed coil springs in juxtaposition with a plurality of adhesive a... | 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 |
| 7174613 | Method for manufacturing a foam core having channel cuts A method of manufacturing a mattress including providing a foam block, convoluting the foam to form a tongue extending longitudinally along the foam block, and removing at least a portion of the tongue, to thereby form a channel within the foam block. ... | 02/13/2007 |
| 7168117 | Multi-stranded coil spring A spring assembly including a helical coil formed from a multi-strand cord. ... | 01/30/2007 |
| 7125465 | Method of making resilient structure including inserting heated coil spring through side surface of fiber batt A resilient structure having a fiber batt with coil springs disposed therein and respective coil spring paths. Each of the coil spring paths extending from a respective coil spring and having a profile similar to a cross-sectional profile of the respective coil spri... | 10/24/2006 |
| 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 |
| 6971133 | Air mattress apparatus An air mattress apparatus includes a first mattress section which contains a number of first flotation-bottle-reception chambers which are separated from each other by first stitches. First mattress section closure means enable access to inside the first flotation-b... | 12/06/2005 |
| 6966091 | Coil innerspring assembly having varying degrees of firmness An innerspring assembly comprising at least two sets of coil springs. In one embodiment, a first set of coil springs has a first elevation, a second set of coil springs has a second elevation different from the first elevation, and wherein one of the first and secon... | 11/22/2005 |
| 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 |
| 6944899 | Stranded mattress spring A mattress construction with a multi-strand coil spring is disclosed. The multi-strand coil spring can be designed with the same performance characteristic as a conventional solid wire coil spring, but at a lower manufacturing and material cost. ... | 09/20/2005 |
| 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 |
| 6898813 | Innerspring assembly An innerspring assembly includes a first plurality of interconnected strings of pocketed first springs. A second plurality of strings of springs is provided and so incorporated in the innerspring assembly that at least one string of springs of the second plurality i... | 05/31/2005 |
| 6883196 | Encased coil innerspring assembly An innerspring assembly comprising a plurality of strips of pocketed coil springs, each including axially interconnected spring pockets having a pocket height. The strips of pocketed coil springs are comprised of overlapping plies of material adjoined together by ax... | 04/26/2005 |
| 6862763 | Pocketed bedding or seating product having pockets of differing heights A bedding or seating product comprising a spring assembly made up of a plurality of parallel strings of springs joined to each other. Each of the strings of springs comprises a row of interconnected pocketed coil springs. Selected pockets of fabric are shorter than ... | 03/08/2005 |
| 6829798 | Low density pocketed spring assembly and method of manufacture A bedding or seating product comprises a pocketed spring assembly having a plurality of parallel strings of springs joined to each other. Each of said strings of springs comprises a row of interconnected pockets, each of the pockets containing at least one spring en... | 12/14/2004 |
| 6826796 | Pocketed bedding or seating product having strings of springs with vertically offset pockets A bedding or seating product is provided comprising a pocketed spring assembly made up of a plurality of parallel strings of springs joined to each other. Each string of springs comprises a row of interconnected pocketed springs. The pockets of fabric are vertically... | 12/07/2004 |
| 6804847 | Pocketed spring core A pocketed spring core includes a plurality of springs which are arranged sequentially in rows to form parallel adjoining spring strands, wherein each of the springs is supported in a pocket made of flexible material. A first cover sheet is placed over and connected... | 10/19/2004 |
| 6698166 | Pocket spring assembly and methods An exemplary pocket spring assembly comprises a plurality of elongate fabric tubes disposed adjacent each other. Each fabric tube has a plurality of pockets, with at least some of the pockets of adjacent fabric tubes being welded together at midpoints on ... | 03/02/2004 |
| 6694554 | Fiber mass with side coil insertion A resilient structure having a fiber batt with coil springs disposed therein and respective coil spring paths. Each of the coil spring paths extending from a respective coil spring and having a profile similar to a cross-sectional profile of the respectiv... | 02/24/2004 |
| 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 |
| 6668406 | Spring units A spring unit (2) for incorporation into a bed, divan bed, mattress, or other upholstery unit comprises a first spring (4) and a second spring located (6) within said first spring (4). The first spring (4) may be a pocketted spring, or the second spring m... | 12/30/2003 |
| 6591436 | Side seam pocketed coil springs A string (12) of pocketed coil springs (14) is formed by inserting compressed springs between upper and lower plies of a folded, preferably thermally weldable fabric (16). The springs are maintained in a compressed configuration while a longitudinal seam ... | 07/15/2003 |
| 6591438 | Retracted pocket spring mattress; method for manufacturing of a pocket spring mattress and device for pre-tensioning pocketed coil spings The present invention relates to a spring mattress comprising springs enclosed in casings, a so-called pocket mattress, and a method and a device for manufacturing such a mattress. The spring mattress according to the invention comprises a plurality of in... | 07/15/2003 |
| 6574811 | Pocketed spring assembly and associated method A method of assembling strings of pocketed coil springs into an innerspring assembly which may be used as the core of a mattress, cushion or similar body support foundation uses a fabric material, preferably having an adhesive component, between rows of p... | 06/10/2003 |
| 6540214 | Coil spring assembly A coil spring assembly is provided that includes rows of pocketed coil springs, a top securing sheet and a bottom securing sheet. The assembly may be partitioned into sections of varying firmness. The rows of coil springs are positioned between the top an... | 04/01/2003 |
| 6523812 | Spring units The invention discloses a spring unit for use in a sprung unit such as a bed, divan bed, mattress, or other upholstered unit, the spring unit comprising a pocket of fabric or other suitable material and having at least two sub-pockets, each of said sub-po... | 02/25/2003 |
| 6397418 | Double spring mattress and manufacturing process The present invention relates to a spring mattress having two superposed layers of springs, which are enclosed in covers, and a method of manufacturing a mattress of this kind. The characterizing features of the invention are that the springs of the upper... | 06/04/2002 |
| 6398199 | Coil spring assembly A coil spring assembly is provided that includes rows of pocketed coil springs, a top securing sheet and a bottom securing sheet. The assembly may be partitioned into sections of varying firmness. The rows of coil springs are positioned between the top an... | 06/04/2002 |
| 6374442 | Pocketed coil spring unit with combination of top and bottom 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... | 04/23/2002 |
| 6317912 | Bed mattress with air cells and spring pockets A composite mattress is comprised of a rectangular intermediate base with four upper sidewalls extending vertically above the base adjacent the edges of the base forming an upper cavity, four lower sidewalls extending vertically below the base adjacent th... | 11/20/2001 |
| 6315275 | Pocket spring assembly and methods An exemplary pocket spring assembly comprises a plurality of elongate fabric tubes disposed adjacent each other. Each fabric tube has a plurality of pockets, with at least some of the pockets of adjacent fabric tubes being welded together at midpoints on ... | 11/13/2001 |
| 6295673 | Reinforced pocketed spring assembly A method of assembling strings of pocketed coil springs into an innerspring core which may be used as the core of a mattress, cushion or similar body support foundation uses a reinforcing material, preferably having an adhesive component, between rows of ... | 10/02/2001 |
| 6256820 | Multilayered pocketed bedding or seating product A bedding or seating product comprising a spring core made up of a plurality of parallel strings of springs joined to each other. Each of the strings of springs comprises a row of interconnected pocketed coil springs. The pocket of fabric surrounding each... | 07/10/2001 |
| 6175997 | Pocketed coil spring mattress cores A method of assembling strings of pocketed coil springs into an innerspring core which may be used as the core of a mattress, cushion or similar body support foundation uses plastic netting reinforced nonwoven webs supplied between a pair of spaced apart ... | 01/23/2001 |
| 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 |
| 6098968 | Pocketed spring assembly A spring assembly comprising a plurality of blocks joined together. Each block contains a string of springs. The string of springs comprises a row of springs, an upper fabric retainer and a lower fabric retainer. The row of springs may be a band of spring... | 08/08/2000 |
