The present invention relates to mattress assemblies and, more particularly, to mattress assemblies that are capable of conforming to the shape of an adjustable foundation.
Customizable mattress assemblies that make use of air bladders, which are also known as air beds or air mattresses, are becoming increasing popular as an alternative to traditional innerspring or spring-foam hybrid mattresses. Unlike traditional mattress assemblies where the firmness of the mattress assemblies is not adjustable, the firmness of a mattress assembly that makes use of an air bladder is readily adjustable by increasing or decreasing the amount of air included in the air bladders present within a particular mattress assembly. In other words, by changing the air pressure in the air bladders of such a mattress assembly, a user can readily change the firmness of the mattress assembly and consequently, customize the feel provided by the mattress assembly. That is, by being able to easily adjust the firmness, a user can quickly match the firmness of the bed to their specific preferences and, at least partially, individualize his or her level of sleep comfort.
Despite the readily adjustable nature of those air bladders, however, an mattress assemblies have yet to be effectively used in connection with beds having adjustable foundations. In a conventional air mattress and adjustable foundation arrangement, when the adjustable foundation is articulated, the air mattress tends to slide on the upper surface of the adjustable foundation. To prevent, or at least reduce this slippage, it is customary for a retainer bar, which is attached to the adjustable foundation, to be used and positioned adjacent to the foot end of the air mattress. Thus, as the adjustable foundation is articulated, the foot end of the air mattress assembly engages the retainer bar and moves the air mattress assembly with the adjustable foundation. Nevertheless, while the retainer bar is effective in preventing slippage of the air mattress, it is still not uncommon for portions of the foot end of the air mattress assembly adjacent the retainer bar, especially air mattress assemblies having a foam topper, to extend in an unsightly manner past the retainer bar.
One proposed solution to overcome the aforementioned drawbacks is shown in
The present invention includes mattress assemblies and, more particularly, mattress assemblies that are capable of conforming to the shape of an adjustable foundation.
In one exemplary embodiment of the present invention, a mattress assembly is provided that includes a body supporting portion having a first surface and a second surface opposite the first surface. The mattress assembly further includes six air bladders that are positioned adjacent to the second surface of the body supporting portion, and are dimensionally-sized such that the air bladders can be suitably received by a well that is defined by a bottom surface and a sidewall of the frame portion of the mattress assembly.
The body supporting portion and the frame portion of the mattress assembly are generally comprised of a flexible foam. The flexible foam comprising the frame portion is typically of a sufficient density and hardness for supporting the air bladders and the body supporting portion of the mattress assembly. The flexible foam comprising the body supporting portion, on the other hand. typically has a density less than that of the frame and is suitable for distributing pressure from a user's body, or portion thereof, across the body supporting portion. In some embodiments, the flexible foam included in the body supporting portion is a visco-elastic foam that has a desired density and hardness, and allows pressure to be absorbed uniformly and distributed evenly across the body supporting portion of the mattress assembly. In this regard, in certain embodiments, the body supporting portion of the mattress assembly can be further covered by a comfort layer that is positioned atop the body supporting portion to provide an additional level of comfort to a body of a user or a portion thereof that is resting on the mattress assembly. Such a comfort layer, in certain embodiments, is also comprised of a visco-elastic foam or other foam, but typically has a density that is less than that of the body supporting portion of the mattress assembly so as to provide a softer surface on which to rest, and so as to provide a sufficiently soft barrier between the body of a user and the air bladders of the mattress assembly.
Regardless of the particular densities of the materials (e.g., the foams) used for the body supporting portion, the comfort layer, and the frame portion of a mattress assembly of the present invention, the body supporting portion and the comfort layer are generally secured to one another to prevent the body supporting portion and the comfort layer from moving relative to one another during use. With respect to the body supporting portion and the frame portion, however, the second surface of the body supporting portion is generally only secured to the upper surface of the sidewall of the frame portion at a foot portion of the mattress assembly (e.g., only at the lower one-third of the upper surface of the sidewall of the mattress assembly). By only securing the body supporting portion and the sidewall of the frame portion to one another at that location, the body supporting portion and the frame portion are prevented from moving relative to one another at the foot portion of the mattress assembly, but are configured to move relative to one another at the head portion and the middle portion of the mattress assembly to thereby allow the mattress assembly to conform to the shape of an adjustable foundation.
As an additional benefit to only securing the body supporting portion and the upper surface of the sidewall of the frame portion to one another at the foot portion of the mattress assembly, the air bladders of the mattress assembly can be easily accessed without taking apart the entirety of the mattress assembly. More specifically, by securing the body supporting portion to the frame portion at only the toot portion and leaving the body supporting portion unsecured to the frame portion at the middle portion and head portion, the body supporting portion can simply be pulled back or away from the frame portion and the air bladders at the middle portion and head portion of the mattress assembly. Once the body supporting portion has been pulled back, the air bladders can then be readily accessed for removal or servicing, while the body supporting portion and the frame portion remain secured to one another at the foot portion of the mattress assembly. In some embodiments, a fabric layer can be positioned adjacent to the second surface of the body supporting portion and can be used to overlay and provide a protective barrier for the air bladders, but yet still allow the air bladders to be accessed as desired by simply peeling back the body supporting portion and the fabric layer.
With respect to the air bladders of the mattress assembly, the air bladders are typically positioned adjacent to the second surface of the body supporting portion and are in fluid communication with an air pump that delivers air to the air bladders via one or more conduits, such that the air bladders are configured to provide a desired amount of support to the body supporting portion of the mattress assembly. Further, in addition to providing a desired amount of support, the air bladders are, in some embodiments, individually addressable such that the air bladders can be configured to selectively provide a desired amount of support to certain areas of the body supporting portion and to allow greater control over the firmness of the mattress assembly in those particular areas.
With further regard to the mattress assemblies of the present invention, in some embodiments, various covers can also be included and used to cover various portions of the mattress assemblies. For example, in some embodiments, a first cover in the form of a fire sock can be used to surround the body supporting portion and the frame portion of the mattress assembly, and an outer fabric cover can then be used to cover the fire sock surrounding the body supporting portion and the frame portion. As another example, in other embodiments, a mattress assembly can include a first cover in the form of a first fire sock that surrounds the exterior surface and the sidewall of the frame portion and a second cover in the form of a second fire sock that surrounds the body supporting portion and comfort layer. Subsequently, once the fire socks have been suitably secured together at a foot portion of the mattress assembly, as described above, an outer fabric cover can be used to cover the entirety of the mattress assembly to provide a mattress assembly that has unitary appearance, but that is still capable of conforming to the shape of an adjustable foundation.
Further features and advantages of the present invention will become evident to those of ordinary skill, in the art after a study of the description, figures. and non-limiting examples in this document.
The present invention includes mattress assemblies and, more particularly, mattress assemblies that are capable of conforming to the shape of an adjustable foundation.
As depicted in
Referring now to
The mattress assembly 110 also includes an air pump 170 operably connected to a controller 174 for delivering air into the air bladders 130a, 130b, 130c, 130d, 130e, 130f via conduit lines 172 that place the air pump 170 and the an bladders 130a, 130b, 130c, 130d, 130e, 130f in fluid communication with one another. In certain embodiments, and although not shown in
The body supporting portion 120 and the frame portion 140 of the mattress assembly 110 are generally comprised of a flexible foam. The flexible foam comprising the frame portion 140 is of a sufficient density and hardness for supporting the air bladders 130a, 130b, 130c, 130d, 130e, 130f as well as the body supporting portion 120 of the mattress assembly 110. The flexible foam comprising the body supporting portion 120 of the mattress assembly 110, on the other hand, typically has a density less than that of the frame portion 140 and is suitable for distributing pressure from a user's body, or portion thereof, across the body supporting portion 120. Such flexible foams include, but are not limited to, latex foam, reticulated or non-reticulated visco-elastic foam (sometimes referred to as memory foam or low-resilience foam), reticulated or non-reticulated non-visco-elastic foam, polyurethane high-resilience foam, expanded polymer foams (e.g., expanded ethylene vinyl acetate, polypropylene, polystyrene, or polyethylene), and the like. In the embodiment shown in
The visco-elastic foam described herein for use in the mattress assembly 110 can also have a density that assists in providing a desired degree of comfort and body-conforming qualities, as well as an increased degree of material durability. In some embodiments, the density of the visco-elastic foam used in the body supporting portion 120 has a density of no less than about 30 kg/m3 to no greater than about 150 kg/m3. In some embodiments, the density of the visco-elastic foam used in the body supporting portion 120 of the mattress assembly 110 is about 30 kg/m3, about 40 kg/m3, about 50 kg/m3, about 60 kg/m3, about 70 kg/m3, about 80 kg/m3, about 90 kg/m3, about 100 kg/m3, about 110 kg/m3, about 120 kg/m3, about 130 kg/m3, about 140 kg/m3, or about 150 kg/m3. Of course, the selection of a visco-elastic foam having a particular density will affect other characteristics of the foam, including its hardness, the manner in which the foam responds to pressure, and the overall feel of the foam, but it is appreciated that a visco-elastic foam having a desired density and hardness can readily be selected for a particular application or mattress assembly as desired.
Referring still to
With further regard to the body supporting portions of the mattress assemblies of the present invention, as indicated above, the body supporting portions are generally comprised of one or more layers of visco-elastic foam having a density and hardness suitable for distributing pressure from a user's body, or portion thereof However, it is additionally contemplated that an exemplary body supporting portion can be comprised of different or additional layers having various densities and hardnesses. For instance, it is contemplated that a layer of high-resilience polyurethane foam can be used alone or can be secured to the second surface of a layer of low-resilience visco-elastic foam used in a body supporting portion. Such multi-layered body supporting portions are described, for example, in U.S. Pat. Nos. 7,469,437; 7,507,468; 8,025,964; and 8,034,445, as well as in U.S. Patent Application Publication No. 2011/0252562, each of which is incorporated herein by this reference.
Regardless of the particular densities of the materials (e.g., the foams) used for the body supporting portion 120, the comfort layer 180, and the frame portion 140 of the mattress assembly 110, the body supporting portion 120 and the comfort layer 180 are generally secured to one another to prevent the body supporting portion 120 and the comfort layer 180 from moving relative to one another during use. With respect to the body supporting portion 120 and the frame portion 140, however, the second surface of the body supporting portion is generally only secured to the upper surface of the sidewall 144 of the frame portion 140 at a foot portion 112 of the mattress assembly 110 (e.g., only at the lower one-third of the upper surface of the sidewall 144 of the mattress assembly 110 as indicated by the hatched region of the sidewall 144 in
As an additional benefit to only securing the body supporting portion 120 and the upper surface of the sidewall 144 of the frame portion 140 to one another at the foot portion 112 of the mattress assembly 110, the air bladders 130a, 130b, 130c, 130d, 130e, 130f of the mattress assembly 110 can be easily accessed without taking apart the entirety of the mattress assembly 110. More specifically, by securing the body supporting portion 120 to the frame portion 140 at only the foot portion 112 and leaving the body supporting portion 120 unsecured to the frame portion 140 at the middle portion 114 and head portion 116, the body supporting portion 120 can simply be pulled hack or away from the frame portion 140 and the air bladders 130a, 130b, 130c, 130d, 130e, 130f at the middle portion 114 and head portion 116. Once the body supporting portion 120 has been pulled back, the air bladders 130a, 130b, 130c, 130d, 130e, 130f can then be readily accessed for removal or servicing, while the body supporting portion 120 and the frame portion 140 remain secured to one another at the foot portion 112 of the mattress assembly 110.
Various means of securing one layer of material to another can be used to secure the several layers of the mattress assembly 110 together, including tape, hook and loop fasteners, conventional fasteners, stitches, and the like. In one particular embodiment, the body supporting portion 120, the comfort layer 180, and the frame portion 140 are bonded together by an adhesive or cohesive bonding material. In one embodiment, the body supporting portion 120 and the comfort layer 180 are bonded together by an adhesive or cohesive bonding material to create a substantially continuous assembly where the body supporting portion 120 and the comfort layer 180 are fully adhered to one another. Such adhesive bonding materials include, for example, environmentally-friendly, water-based adhesives, like SABA AQUABOND RSD, a two-component water-based adhesive product produced by SABA DINXPERLO BV, B-7090 AA, Dinxperlo, Belgium.
Turning now to the air bladders included in the mattress assemblies of the present invention, and referring still to
As a refinement to the mattress assemblies of the present invention, and referring now to
By making use of a fabric layer 225 placed between the second surface 224 of the body supporting portion 220 and the sidewall 244 of the frame portion 240, the fabric layer 225 provides a protective layer over the air bladders 230a, 230b, 230c, 230d, 230e, 230f, but further allows the air bladders 230a, 230b, 230c, 230d, 230e, 230f to be accessed as desired by simply unzipping the zipper 226 and peeling back the fabric layer 225. For example, when servicing or removal of the air bladders is required, the second surface 224 of the body supporting portion 220, which is not secured to the fabric layer 225 at the head portion 216 or middle portion 214 of the mattress assembly 210, can first be pulled back away from the fabric layer 225 and the frame portion 240, as shown in
As a further refinement to the mattress assemblies of the present invention, one or more covers can also be included and used to cover the various portions of the mattress assemblies. For example, as shown in
As an even further refinement to the mattress assemblies of the present invention, in some embodiments, the aforementioned outer fabric covers, the comfort layers, the body supporting portions, or combinations thereof can further be coated or impregnated with a phase change material. In this regard, as a user rests his or her body on the outer fabric cover, the comfort layer, and the body supporting portions of the mattress assemblies and those portions increase in temperature, the phase change materials can absorb the heat from the user, store the heat for a cooling effect, and then release the heat at a later time when the user is no longer lying on the mattress and the temperature of the mattress assembly cools down. Thus, in certain embodiments, a mattress assembly can be provided that allows for a cooling effect, but, as indicated above, is also capable of substantially conforming to the shape of an adjustable foundation.
Throughout this document, various references are mentioned. All such references are incorporated herein by reference, including the references set forth in the following list:
One of ordinary skill in the art will recognize that additional embodiments are also possible without departing from the teachings of the present invention or the scope of the claims which follow. This detailed description, and particularly the specific details of the exemplary embodiments disclosed herein, is given primarily for clarity of understanding, and no unnecessary limitations are to be understood therefrom, for modifications will become apparent to those skilled in the art upon reading this disclosure and may be made without departing from the spirit or scope of the claimed invention.
This application claims priority to U.S. Provisional Patent Application Ser. No. 61/757,280, filed Jan. 28, 2013, the entire disclosure of which is incorporated herein by reference.
Filing Document | Filing Date | Country | Kind |
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PCT/US2014/013320 | 1/28/2013 | WO | 00 |
Number | Date | Country | |
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61757280 | Jan 2013 | US |