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US20070056114A1 - Multi-zone coil construction airbed - Google Patents

Multi-zone coil construction airbed Download PDF

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Publication number
US20070056114A1
US20070056114A1 US11/516,901 US51690106A US2007056114A1 US 20070056114 A1 US20070056114 A1 US 20070056114A1 US 51690106 A US51690106 A US 51690106A US 2007056114 A1 US2007056114 A1 US 2007056114A1
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US
United States
Prior art keywords
inflatable
support system
inflatable chamber
size
coils
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US11/516,901
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English (en)
Inventor
Corey Lewison
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aero Products International Inc
Original Assignee
Aero Products International Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aero Products International Inc filed Critical Aero Products International Inc
Priority to US11/516,901 priority Critical patent/US20070056114A1/en
Assigned to AERO PRODUCTS INTERNATIONAL, INC. reassignment AERO PRODUCTS INTERNATIONAL, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LEWISON, COREY
Publication of US20070056114A1 publication Critical patent/US20070056114A1/en
Priority to PCT/US2007/077735 priority patent/WO2008030940A2/fr
Abandoned legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/08—Fluid mattresses
    • A47C27/087—Fluid mattresses with means for connecting opposite sides, e.g. internal ties or strips
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/08—Fluid mattresses
    • A47C27/081—Fluid mattresses of pneumatic type

Definitions

  • the present invention relates to the field of inflatable support systems, particularly to an inflatable support system having coils that provide multiple zones of firmness.
  • Inflatable mattresses have been available for many years. The design of inflatable mattresses has been constantly evolving to provide a more conventional mattress feel for the end user, while maintaining the convenience of an inflatable mattress. Some conventional mattresses incorporate different “comfort” zones that provide varying levels of support for different areas of a user's body. These comfort zones are designed such that the mattresses have different levels of firmness in different areas.
  • the principal pressure points are located under the head, shoulder, buttocks and heels.
  • the principal pressure points are located over the shoulder, hip/thigh and ankle/foot areas.
  • Conventional mattresses provide varying firmness in different areas through a variety of methods, including utilizing different types of springs, foam densities or supplemental padding.
  • the inflatable support system comprises at least one inflatable chamber having an external surface, and electrically powered pump configured to inflate the inflatable chamber, at least one first size coil defined within the inflatable chamber and at least one second size coil defined within the inflatable chamber.
  • an inflatable support system comprising an inflatable chamber with an external surface and at least a top and a bottom layer.
  • An electrically powered pump is configured to inflate the inflatable chamber, and first and second types of internal structures are defined within the inflatable chamber.
  • the first type of internal structure is comprised of at least one substantially flat layer of material formed in a loop, and the loop has open ends.
  • the second type of internal structure is comprised of at least one substantially flat layer of material formed in a loop, and the loop has open ends.
  • an inflatable support system comprising an inflatable chamber having an outer surface and an electrically powered pump configured to inflate the inflatable chamber.
  • the inflatable chamber has at least one first zone of firmness comprised of a first pattern of coils and at least one second zone of firmness comprised of a second pattern of coils.
  • FIG. 1 is a perspective view of a first embodiment of an inflatable support system in accordance with the present invention
  • FIG. 1A is a top plan view of the embodiment of FIG. 1 ;
  • FIG. 2 is a perspective view of a second embodiment of an inflatable support system in accordance with the present invention.
  • FIG. 2A is a top plan view of the embodiment of FIG. 2 ;
  • FIG. 3 is a perspective view of a third embodiment of an inflatable support system in accordance with the present invention.
  • FIG. 3A is a top plan view of the embodiment of FIG. 3 ;
  • FIG. 4 is a perspective view of a fourth embodiment of an inflatable support system in accordance with the present invention.
  • FIG. 4A is a top plan view of the embodiment of FIG. 4 ;
  • FIG. 5 is a cross-sectional view of an embodiment of a coil for use with the embodiments of FIGS. 1-4 in accordance with the present invention.
  • FIGS. 1 and 1 A illustrate a first embodiment of an inflatable support system, in this case an inflatable mattress, in accordance with the present invention.
  • the present embodiment includes at least one inflatable support chamber 10 .
  • the inflatable support chamber 10 is made up of at least a top layer 12 of material and a bottom layer 14 of material and has an external surface 15 .
  • a separate side gusset 16 can be utilized to connect the top 12 and bottom 14 layers.
  • either the top 12 or bottom 14 layer can be made long enough to fold up and form the side panel of the inflatable chamber 10 . If this construction is utilized, the top 12 and bottom 14 layers can be welded together directly, eliminating the need for a separate side gusset 16 .
  • the inflatable mattress of the present invention also incorporates an electrically powered pump 17 configured to inflate the inflatable support chamber 10 .
  • the pump can be any type of pump known in the art for inflating inflatable mattresses.
  • An exemplary pump 17 is pictured in the figures and disclosed in commonly assigned U.S. patent application Ser. No. 11/084,219 and the entire disclosure of U.S. patent application Ser. No. 11/084,219 is incorporated by reference herein in its entirety.
  • the pump 17 shown in the Figures can be used to both inflate and deflate the inflatable chamber 10 , and should be able to provide enough inflation power to quickly inflate the inflatable chamber 10 .
  • the pump 17 can inflate the inflatable chamber 10 in less than five minutes.
  • the pump 17 can also be used to rapidly deflate the inflatable mattress.
  • an inflation-only pump can be used in conjunction with a release valve (not shown).
  • the present invention also incorporates at least two different internal structures, or two coils, a first size 18 and a second size 20 .
  • the “size” of the coils 18 , 20 can refer either to the welding pattern present on the outer surface 21 of the inflatable chamber 10 , or the actual size of the substantially flat layer of material 25 that forms the coils when viewed from the interior of the inflatable mattress, as shown in FIG. 5 .
  • Each coil 18 , 20 is formed from a substantially flat layer of material 25 formed into loop, as shown in FIG. 5 .
  • the loop can be formed from two separate pieces of the material 25 attached together at weld points 23 , but continuous strips of material 25 could be used as well.
  • the loop preferably has open ends, so that air can freely pass through the interior of each coil 18 , 20 when the pump 17 is operated to inflate or deflate the inflatable chamber 10 .
  • At least a portion of one side of each coil 18 , 20 is attached to the top layer 12 and at least a portion of the opposite side of each coil 18 , 20 is attached to the bottom layer 14 .
  • the coils 18 , 20 are preferably attached by heat, adhesive or sonic welding or any other manner known to one skilled in the art.
  • the welding pattern can take any shape desired, such as a weld line formed in an oval shape shown in FIGS. 1-4 . Squares, circles, triangles and other shapes may also be used.
  • the shapes visible on the top of the inflatable mattresses are the weld lines 27 .
  • FIG. 5 depicts an exemplary coil as substantially oval in cross-section.
  • the size of the coils 18 , 20 can refer to one of two features.
  • the first size coils 18 are formed from pieces of the substantially flat material 25 such that the weld lines 27 extend nearly to the ends of the material 25 , as illustrated in FIG. 5 .
  • this will be referred to as “Method A.”
  • a piece of the substantially flat material 25 could have more than one weld line 27 or shape visible on the surface 21 of the inflatable chamber 10 . This will be referred to as “Method B.”
  • the topmost row of coils 18 could have more than one internal configuration, depending on whether Method A or Method B is utilized.
  • each coil is formed from one piece of substantially flat material 25 . If two pieces were used, as is the case for the coil shown in FIG. 5 , the number of pieces would double. If the coils are formed using Method A, seven separate pieces of the substantially flat material 25 are used, one for each coil. If Method B is utilized, one piece of material 25 may be used, having seven separate welds, one weld for each coil, thus forming seven separate shapes on the surface 21 of the inflatable chamber 10 . Alternatively, using Method B, a different number of pieces could be used, for example, one piece with three welds and one piece with four welds. Other combinations are envisioned, and Methods A and B can be used in combination.
  • At least two different sizes of coils 18 , 20 are used in the embodiments shown in FIGS. 1-3 .
  • the use of different coil sizes effects the firmness of the zones because of the differences in air movement within and through the different coil sizes.
  • air When weight is applied to the surface of the inflatable mattress 10 , air is pushed out of the interior of the coils and exits the open ends of the coils.
  • the air In the larger sized coils 20 , the air must travel a greater distance in order to exit the open ends of the coils. This difference in air movement creates a different level of firmness or “feel” for a user in the different zones.
  • the first size coil 18 is smaller than the second size coil 20 .
  • First size coils 18 are positioned in rows to create a first zone 22 .
  • a plurality of rows of first size coils 18 can be positioned parallel to each other in each first zone 22 , as shown in FIGS. 3 and 3 A.
  • the first zone 22 can take many different positions and sizes on the surface of the inflatable chamber 10 . In the first embodiment shown in FIGS. 1 and 1 A, there are four first zones 22 . In the second embodiment shown in FIGS. 2 and 2 A, there are two first zones 22 .
  • first zone 22 comprised of three parallel rows of first size coils 18 .
  • the positioning of the first zones 22 can vary depending on the application.
  • the large first zone 22 is positioned so that a user's back will be in the first zone 22 when the user lies on the surface of the inflatable chamber 10 .
  • a second zone 24 is formed by utilizing second size coils 20 .
  • the weld lines 27 that are visible in the Figures extend nearly to the ends of the coils 20 .
  • the second zones 24 can be made up of just one second size coil 20 interspersed between the first zones 22 , or they can be parallel groups of second size coils 20 as shown in the Figures.
  • FIGS. 1 and 1 A show two second zones 24 each comprised of two parallel second size coils 20 .
  • FIGS. 2, 2A , 3 and 3 A show two second zones 24 each comprised of three parallel second size coils 20 .
  • a third size coil 26 can create a third zone 28 .
  • FIGS. 1, 1A , 2 and 2 A illustrate a third size coil 26 having a greater height than the second size coils 20 .
  • An extra weld 30 can also be used to provide a different level of support in the third zone 28 made up of the third size coil 26 .
  • a plurality of third size coils 26 can be positioned together in the third zones 28 .
  • FIG. 4 illustrates another alternative embodiment utilizing only first size coils 18 .
  • different zones 22 , 24 are formed by using different numbers of columns of first size coils 18 .
  • the zones could be interspersed in different patterns. Different patterns and combinations of coils could be used to create combination zones made up of different-sized coils.
  • the coils within the zones could be spaced differently as well. For example, rather than forming columns of first size coils 18 in each of the first zones 22 , the coils 18 could have an alternating pattern where each row is offset from the adjacent rows. Vertical zones could also be formed using different size coils to allow for two or more users to lie side by side on different zones.
  • the welding pattern could create different shapes on the surface of the inflatable chamber 10 .
  • the zones could be interspersed with channels formed from strips of material 25 that are attached to the top 12 and bottom 14 layers. To form a channel, two strips are attached parallel to each other.
  • the entire inflatable mattress could also be constructed in any number of shapes and sizes. Moreover, other methods known in the art can be used to attach the coils to the top 12 and bottom 14 layers of the inflatable chamber 10 . Different types of material could be used to form the structures of the present invention, such as PVC or thermoplastic polyurethane.
  • the inflatable support system could also incorporate more than one inflatable chamber 10 . Furthermore, the electrically powered pump 17 could be removable or non-removably mounted to the inflatable chamber 10 .

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  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Massaging Devices (AREA)
US11/516,901 2005-09-09 2006-09-07 Multi-zone coil construction airbed Abandoned US20070056114A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US11/516,901 US20070056114A1 (en) 2005-09-09 2006-09-07 Multi-zone coil construction airbed
PCT/US2007/077735 WO2008030940A2 (fr) 2006-09-07 2007-09-06 Matelas pneumatique à spires multizones

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71564605P 2005-09-09 2005-09-09
US11/516,901 US20070056114A1 (en) 2005-09-09 2006-09-07 Multi-zone coil construction airbed

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US20070056114A1 true US20070056114A1 (en) 2007-03-15

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US11/516,901 Abandoned US20070056114A1 (en) 2005-09-09 2006-09-07 Multi-zone coil construction airbed

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US (1) US20070056114A1 (fr)
WO (1) WO2008030940A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106821653A (zh) * 2017-01-05 2017-06-13 李红宾 自动洗浴装置
US20180326641A1 (en) * 2016-07-15 2018-11-15 Swo-Chung Chai Method for manufacturing inflatable mattress and inflatable mattress

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CN106821653A (zh) * 2017-01-05 2017-06-13 李红宾 自动洗浴装置

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