Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7398567 | Steelwire-hook mode web sheet A hook-ended steel wire netting includes a first cross rail having a row of first sockets on its outer portion in a line along an axial direction; a second cross rail having a row of second sockets on its outer portion in a line along an axial direction; one or more... | 07/15/2008 |
| 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 |
| 7181796 | Mattress structure with an improved lumbar zone A mattress spring structure (10) is provided with a strengthened central area (C) thereon to provide greater support for a user's body lumbar region when received thereon. The support is provided with a strengthening structure (30) having a continuous ... | 02/27/2007 |
| 7148713 | Algoristic spring as probe A contact probe including a length of wire with head, coil and tail sections. The head and tail sections may be lengthened and offset from the longitudinal axis of the coil section to allow the probes to be densely packed in a substrate material. Two probes may be i... | 12/12/2006 |
| 6996866 | Mattress structure with an improved lumbar zone A mattress spring structure (10) is provided with a strengthened central area (C) thereon to provide greater support for a user's body lumbar region when received thereon. The support is provided with a strengthening structure (30) having a continuous ... | 02/14/2006 |
| 6935546 | Box spring stapler apparatus A fastener apparatus is provided for securing a plurality of modules to a frame. ... | 08/30/2005 |
| 6578213 | Stackable bedding foundation A nestably stackable assembly for use in a bedding foundation. The assembly has a rectangular border wire with parallel sides and ends. Transversely spaced, parallel and longitudinally extending support wires are connected at their ends to the border wire... | 06/17/2003 |
| 6202238 | Bedding or seating product with edge support A bedding or seating product comprising a centrally located spring core, edge support means located around the perimeter of the spring core, filling material located above and below the spring core and an upholstered covering. The edge support may be eith... | 03/20/2001 |
| 6012190 | Foldable bed with collapsible sinuous springs A body support moveable between unfolded and folded positions comprises: serially interconnected body, cavity and seat sections defined by respective upper and lower grids and including resilient members. The body, cavity and seat sections have their uppe... | 01/11/2000 |
| 5927696 | Spring elements and articles of manufacture incorporating the same Improved spring elements have a unique energy absorbing element that responds to applied loads to produce counter-acting forces that act to absorb the energy of the applied loading. The greater the magnitude of the applied loads, the more the counter-acti... | 07/27/1999 |
| 5636396 | Inner spring border firmness adjuster An inner spring core comprising a plurality of coil springs arranged in rows and columns having an improved border firmness adjuster around the periphery of the core. The improved border firmness adjuster comprises one of more inflatable pneumatic members... | 06/10/1997 |
| 5561877 | Double structure spring mattress A double structure spring mattress with hard spring mattress effect as well as soft spring mattress effect, one side of which mattress is backed by hard springs but the other side of which mattress is backed by soft springs coupled to the hard springs, is... | 10/08/1996 |
| 5485639 | Modular innerspring and box spring assemblies A mattress spring clip to secure the wire of a border wire assembly to coils of adjacent coil springs in an innerspring assembly for a mattress, wherein the clip comprises a unitary length of spring bias material, such as metal having a relatively broad w... | 01/23/1996 |
| 5471688 | Modular innerspring and box spring assemblies A modular innerspring and box spring assembly which can be put together by the end use customer from innerspring and box spring modules. An innerspring module consists of a plurality of coil springs joined together by helical wire fasteners in a generally... | 12/05/1995 |
| 5363522 | Spring assembly and perimeter support spring therefor A perimeter support spring for use in a mattress or furniture spring assembly having an array of coil springs connected with spaced parallel border wires along the perimeter of the spring array is connected between the border wires to provide supplementar... | 11/15/1994 |
| 5265291 | Box spring corner support An improved spring is provided which may be used in cushions, mattresses, or box springs which includes a limiting internal member. This limiting member assist in limiting the longitudinal deflection of the springs. Also provided are snapped-fitting conne... | 11/30/1993 |
| 5253851 | Device to obtain a supplementary springing effect in supporting frames provided with elastic belts In order to provide a springing effect in correspondence with the edge of a belt frame in chairs, sofas or the like, a device is envisaged consisting of a plurality of arms, each fixed to a belt and extending from the latter in inclined position, as well ... | 10/19/1993 |
| 5142716 | Foundation unit with snap-fit modular springs A bedding foundation unit having a top planar portion defined by two pluralities of spaced parallel grid wires, and a rigid frame spaced apart from the top planar portion by a plurality of modular springs. The modular springs are connected to the top plan... | 09/01/1992 |
| 5074534 | Seat with spring supporting frame Disclosed herein is an automotive seat which includes a seat frame and a plurality of S-springs which are spanned between spaced two portions of the seat frame. Each spring has one U-shaped end portion. In order to tightly and unmovably connect the U-shap... | 12/24/1991 |
| 5062172 | Bedding mattress spring assembly having border edge support A bedding mattress spring assembly comprising rows of coil springs laced together by helical lacing wires and having border wires secured around the periphery of the assembly in the top and bottom planes of the assembly. The border wires are secured to th... | 11/05/1991 |
| 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 |
| 4932535 | Formed wire spring element for box spring assemblies A limited deflection spring for use in a box spring assembly has a unitary wire body having a foot portion, an upright yieldable portion on the foot portion and a loading bearing portion at the upper end of the upright portion. The upright yieldable porti... | 06/12/1990 |
| 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 |
| 4805883 | Box spring assembly with a grid structure formed of both basic and spring wire A box spring assembly consisting of a generally horizontal frame and a generally horizontal wire grid disposed a predetermined distance above the frame, and a plurality of grid support springs arranged between and secured to the grid and the frame so as t... | 02/21/1989 |
| 4760616 | Bedding foundation having sinuous wire springs A box spring assembly includes a base frame, a top wire grid and a plurality of sinuous wire springs interconnecting the top wire grid and the base frame. The sinuous wire springs each comprise a sinuous wire strip formed into an inverted U-shaped configu... | 08/02/1988 |
| 4721290 | Bent wire spring unit A bent wire soring unit for disposition between a base frame and grid frame disposed in spaced, parallel relation to each other includes a lower attaching element for attachment to the base frame and an upper attaching element for attachment to the grid f... | 01/26/1988 |
| 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 |
| 4586700 | Modular seat spring assembly A furniture seat base which employs a series of front and/or back torsioned sinuous spring bands. Predetermined patterns of torsioned bands produce an interaction which generate spring dynamics designed to produce a seat unit which may be sat upon from th... | 05/06/1986 |
| 4480823 | Innerspring assembly for furniture seats and backs An innerspring assembly for furniture seats and backs comprising spaced, parallel, substantially rectangular top and bottom grids and tapered helical coils interposed between the grids and secured thereto, the top grid comprising pairs of spaced, parallel... | 11/06/1984 |
| 4472849 | Bedspring assembly with novel border wire and method of forming the latter An inner spring assembly embodying a generally channel-shaped border wire of the type which is provided with a continuous groove with straight sides and into which the end convolutions of the helical bedsprings of the assembly project in tangential fashio... | 09/25/1984 |
| 4348014 | Torsion bar spring auxiliary panel for bedding unit An auxiliary panel (12) for a bedding unit (10) is disclosed as including a peripheral wire (24) on the load supporting surface of the unit and a plurality of torsion bar springs (30 or 42) extending between opposite portions of the peripheral wire so as ... | 09/07/1982 |
| 4326311 | Self-releasing locking unit for an inner spring assembly An improved self-releasing locking unit, such as a self-releasing locking edge support, in an inner spring assembly wherein the locking unit can be employed to secure the inner spring assembly in a compressed condition during the covering of same, and whi... | 04/27/1982 |
| 4218790 | Box spring assembly with improved stiffness characteristics A box spring assembly which includes a generally rectangular frame, a plurality of wire springs mounted on the frame and connected to each other so as to yieldably resist downwardly directed bedding loads. Each of the springs has an elongated body portion... | 08/26/1980 |
| 4207634 | Box spring assembly with end rail spring mounting units A box spring assembly with end rail spring mounting units consisting of a frame having wood side and end rails, metal cross rails, and metal end rail mounting units secured to the end rails. The mounting units locate and support some of the springs in the... | 06/17/1980 |
| 4173047 | Tubular border frame for inner spring assemblies A tubular border frame for inner spring assemblies is disclosed. The border frame includes an opening defined by a pair of inwardly directed lips adapted to receive and secure the coil springs. Straight and corner connectors are provided for joining the s... | 11/06/1979 |
| 4162063 | Adjustable springs for trampolines and the like The typical helical springs used to support the bed within the frame of a trampoline or the like are modified to incorporate adjustable hooks threadedly anchored within the springs at one end so that their overall length, and thus the tension on the bed, ... | 07/24/1979 |
| 4147336 | Seat frame for a vehicle A seat frame wherein erect walls constituting the peripheral wall of the seat frame are bent to form columnar reinforcement ribs, and flange portions being the upper end faces of the reinforcement ribs are formed with mounting parts for a spring base, so ... | 04/03/1979 |
| 4129908 | Foundation unit with cushioned cross rails 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... | 12/19/1978 |
| 4122566 | Foundation unit having a posturized inner border A spring foundation unit having one or more pairs of inner border members on the top and bottom surfaces of the unit. In a conventional fashion, the spring unit has a plurality of transverse rows and longitudinal columns of coil springs, and top and botto... | 10/31/1978 |
