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| Number | Title | Issue Date |
| 7398568 | Bedding foundation A stackable wire core assembly for a bedding foundation which may be nestably stacked with numerous other such assemblies for transportation, thereby avoiding the need to compress and tie the assembly for shipping. The wire core assembly includes corrugated formed s... | 07/15/2008 |
| 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 |
| 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 |
| 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 |
| 6859959 | Spring lath for sitting or reclining furniture A spring-support lath for supporting upholstery of furniture includes a lath body defining a longitudinal direction and having a pair of longitudinally extending U-profiles. Each U-profile is of U-shaped cross-section open in a downward direction and spaced apart in... | 03/01/2005 |
| 5639071 | Support rail with improved spring mounting capabilities A support rail for springs as might be used in a spring assembly such as a bedding or seat foundation. The support rails are metal and form part of a frame to which the springs are mounted. The support rails have a generally inverted U-shape and include a... | 06/17/1997 |
| 5570874 | Furniture spring assembly with elastic webbing A furniture seat spring assembly is presented which allows simplicity and economical seating for chairs, sofas or the like. The spring assembly comprises a U-shaped base having an eccentrically positioned coil spring which is covered with an elastic webbi... | 11/05/1996 |
| 5485640 | Bedding foundation frame A bedding foundation frame for use in manufacturing a bedding foundation. The foundation frame includes side rails and end rails formed into a rectangular configuration and a plurality of slats extending between the side rails and parallel to the end rail... | 01/23/1996 |
| 5054751 | Notched span for press-fit mounted springs A frame for a spring assembly has a plurality of parallel transverse cross rails with mounting slots that form openings through the top portion of the cross rail. Springs are firmly secured to the cross rails by inserting foot portions of the springs into... | 10/08/1991 |
| 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 |
| 4828233 | Bent wire spring module with lock A bent wire spring module embodying a clamp element at the upper end interengageable with the cross wire of a grid frame without requiring the formation of deviations in the cross wire to which it is attached.... | 05/09/1989 |
| 4809958 | Foundation unit having spring wire elements A foundation unit having a top bearing grid structure secured to a bottom substructure by intermediate support elements. The grid structure comprises a series of spaced longitudinal and transverse spring elements, each spring element being formed to permi... | 03/07/1989 |
| 4779292 | Box spring cross rail incorporating extruded thrust bearing A box spring assembly which includes a frame having cross rails, a mattress supporting platform located above the frame and a plurality of spring members mounted on the cross rails in a supporting relation with the platform. Each of the rails has at least... | 10/25/1988 |
| 4664361 | Spring unit A plurality of main springs and a plurality of intermediate support springs are arranged on a rectangular base plate. Each main spring is made of a single steel wire and consists of two coil portions and a straight rod portion connecting these two coil po... | 05/12/1987 |
| 4619445 | Spring unit A plurality of main springs and a plurality of intermediate support springs are disposed and fixed on a rectangular base plate. Each main spring has a linear connecting rod portion and two coil spring portions such that one end of each of the two coil spr... | 10/28/1986 |
| 4555097 | Combination round coil spring and rectangular torsion coil spring assembly A core spring assembly combines the use of rows and/or columns of round coil springs with rows and/or columns of rectangular torsion bar coil springs, all interconnected in a top plane by a welded wire grid so as to create a spring core assembly for a bed... | 11/26/1985 |
| 4548390 | Spring unit A spring unit comprises a rectangular base plate, a rectangular frame, first main springs, second main springs, third main springs and fourth main springs arranged on the base plate, and intermediate support springs also placed on the base plate. Each of ... | 10/22/1985 |
| 4372546 | Spring assembly A spring assembly of the kind comprising a rigid base frame, a wire grid frame, a plurality of helically-coiled springs attached at one end to the base frame and at their other ends to the wire of the grid frame, said wires and ends of the coils being so ... | 02/08/1983 |
| 4303232 | Seat spring assembly (torque-coil) A coil seat spring assembly wherein spring coils are mounted on a plurality of sinuous spring bands extending between the front and back rails of a furniture seat frame. The axes of the coils are substantially vertical. The coils on each band are clamped ... | 12/01/1981 |
| 4160544 | Small diameter, single cone coil spring for use in a box spring assembly An improved single cone coil spring and an improved box spring assembly made from the improved single cone coil springs. The box spring assembly comprises a base frame, a series of the improved small diameter single cone coil springs and a welded wire gri... | 07/10/1979 |
| 4102032 | Method of fabricating furniture spring support A furniture assembly, such as a metal box spring assembly, including slats defining support members for a plurality of coil springs. An aperture is formed in the metal support slat with an upset portion disposed about the periphery of the aperture and out... | 07/25/1978 |
| 4003563 | Spring assembly and elements A spring assembly in which use is made of a grid of crisscrossing wires which extend through a plastic button at their cross-over points to intertie the wires in a manner to prevent relative movements without metal to metal contact and in which the button... | 01/18/1977 |
