US20050204475A1 - Sleeping surface having two longitudinally connected bladders - Google Patents

Sleeping surface having two longitudinally connected bladders Download PDF

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Publication number
US20050204475A1
US20050204475A1 US10/801,769 US80176904A US2005204475A1 US 20050204475 A1 US20050204475 A1 US 20050204475A1 US 80176904 A US80176904 A US 80176904A US 2005204475 A1 US2005204475 A1 US 2005204475A1
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US
United States
Prior art keywords
bladder
longitudinal side
upper
elongate
lip
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
US10/801,769
Inventor
Darryl Schmitz
Jennifer Bertram
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.)
Select Comfort Corp
Original Assignee
Select Comfort Corp
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 Select Comfort Corp filed Critical Select Comfort Corp
Priority to US10/801,769 priority Critical patent/US20050204475A1/en
Assigned to SELECT COMFORT CORPORATION reassignment SELECT COMFORT CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BERTRAM, JENNIFER, SCHMITZ, DARRYL L.
Publication of US20050204475A1 publication Critical patent/US20050204475A1/en
Priority claimed from US11/753,387 external-priority patent/US7865988B2/en
Assigned to JPMORGAN CHASE BANK, N.A., AS AGENT reassignment JPMORGAN CHASE BANK, N.A., AS AGENT SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SELECT COMFORT CORPORATION
Assigned to SELECT COMFORT CORPORATION reassignment SELECT COMFORT CORPORATION RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT
Application status is Abandoned legal-status Critical

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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C27/00Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/08Fluid mattresses or cushions
    • A47C27/081Fluid mattresses or cushions of pneumatic type
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C27/00Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/08Fluid mattresses or cushions
    • A47C27/10Fluid mattresses or cushions with two or more independently-fillable chambers

Abstract

A sleep surface is formed by joining longitudinal sides of two juxtaposed air bladders, thereby providing a continuous sleep surface having two independently inflatable air chambers. The union of the two bladders ensures that the bladders remain in a desired position despite being repeated inflated, deflated, folded and unfolded.

Description

    BACKGROUND OF THE INVENTION
  • Airbeds are rapidly gaining popularity as an alternative to inner spring mattresses. One of the most attractive features of an airbed is the inherent firmness adjustability. As opposed to a non-adjustable inner spring mattress, the firmness of an air bed can be quickly adjusted simply by changing the air pressure in the bladders of the bed. The larger beds include two juxtaposed bladders, thereby providing two independently adjustable sleep surfaces in a single bed.
  • Originally, beds offering two bladders were constructed simply by providing a cover, inserting foam borders around the inner sidewalls of the cover to provide a desirable shape for the mattress, and inserting two independent juxtaposed bladders inside the foam borders. Some customers expressed concern that when they were on inside edge of their bladder, toward the center of the bed, their body weight forced all of the air in the bladder toward the outer side of the bladder, leaving them in a low point on the mattress. If their sleeping partner was laying on the center of the other bladder, the inside edge of the spouse's bladder would be fully inflated. The discontinuity between the inside edge of the compressed bladder and the fully inflated adjoining edge of the adjacent bladder, created an uncomfortable sleeping surface. Though this problem was somewhat alleviated by the incorporation of foam covers and pillow top mattress covers, the effect was still noticeable.
  • Recently, another advantage of airbeds has resulted in the development of sleeper sofas with airbed mattresses. The advantage is that the airbeds can be deflated, virtually eliminating the space used by the mattress. Conventional sleeper sofa designs are plagued with a struggle between providing a comfortable sleep surface when the bed is deployed, and providing an attractive sofa when the bed is hidden away. A thick, comfortable mattress is difficult to fold into a couch. Mattresses that are foldable are too thin to insulate a sleeper from the non-uniform support surface under the mattress.
  • Airbed mattresses eliminate this problem because they can be deflated before the bed is folded into the couch. Thus, the thickness of the mattress is completely independent of the mechanical structure of the sofa mechanisms. The development of airbed sleeper sofas has quickly progressed to the inclusion of a mattress having two bladders.
  • A sleeper sofa airbed mattress with two bladders brings with it the same potential problem of a gap between the mattresses when inflated. The deflation of the bladders during storage creates a new potential problem as well. Namely, the deflated bladders may become overlapped or otherwise wrongly positioned during the folding and unfolding of the sleeper sofa. Placing a foam border between the bladders is not effective because the foam border itself is likely to become displaced when the bladders are deflated.
  • Thus, there is a need for an airbed mattress having two independent bladders that remain in position while being inflated, deflated, folded and unfolded. There is a further need for this mattress to provide a minimum level of firmness across the extents of the mattress so a sleeper does not feel drawn to a depression in the middle of the bed.
  • BRIEF SUMMARY OF THE INVENTION
  • The present invention relates to an airbed mattress that provides a solution to the aforementioned problems. More specifically, the present invention relates to an airbed mattress that includes two juxtaposed mattresses that are joined along adjoining longitudinal edges. The union formed not only keeps the bladders in place during deflation and folding, a bridge is formed between the mattresses creating a relatively constant sleep surface across the extents of the mattress.
  • Thus, one aspect of the present invention provides a sleep surface for two people comprising a first bladder having a longitudinal side and a second bladder having a longitudinal side attached to the longitudinal side of the first bladder. Each bladder is constructed and arranged to maintain an air pressure therein that is independent of an air pressure in the other bladder. The feature of two independently adjustable sleep surfaces is thus maintained.
  • The longitudinal sides of the two bladders may be heat welded, zipped, connected with hook and loop fasteners, snap fasteners, tied, or any acceptable fastening means. Additionally, the sides of the two bladders may be connected at an upper edge or both and upper and lower edge.
  • Another aspect of the present invention provides a method of creating an uninterrupted sleep surface with two bladders. The method includes providing a first elongate bladder and a second elongate bladder. The bladders are then juxtaposed and joined. Joining the bladders is accomplished through heat welding, zipping, connecting with hook and loop fasteners, connecting with snap fasteners, tying the bladders together, or any acceptable fastening means.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a perspective view of sections of two bladders to be joined to form the sleep surface of the present invention;
  • FIG. 2 is a perspective view of a joined portion of a preferred embodiment of the sleep surface of the present invention; and,
  • FIG. 3 is a perspective view of a joined portion of an alternative embodiment of the sleep surface of the present invention.
  • DETAILED DESCRIPTION OF THE INVENTION
  • Referring now to FIG. 1, there is shown a pair of air bladders 12 and 14 that are to be joined to form an air mattress 10 of the present invention. The air mattress 10 is designed to accommodate one person on each bladder 12 and 14. Both of the air bladders 12 and 14 have upper surfaces 16, lower surfaces 18 and longitudinal sides. The longitudinal side 20 of the first air bladder 12 is includes an upper lip 22 and a lower lip 24. Similarly, the longitudinal side 21 of the second bladder 14 includes an upper lip 26 and a lower lip 28.
  • Referring now to FIG. 2, the air mattress 10 of the present invention has been formed by joining the longitudinal side 20 of the first air bladder 12 to the longitudinal side 21 of the second bladder 14. In a preferred embodiment of the present invention, the upper surface 16 of the first air bladder 12 may be made continuous with the upper surface 16 of the second air bladder 14 by permanently attaching the upper lip 22 of the first longitudinal side 20 to the upper lip 26 of the second longitudinal side 21. In this manner a permanent union 30 is created between the first longitudinal side 20 of the first air bladder 12 and the longitudinal side 21 of the second air bladder 14. One skilled in the art will realize that, the term “continuous”, as used herein, is referring to the somewhat planar and horizontal upper surface of the resulting mattress 10. This may be accomplished by joining a portion or all of the upper lip 22 of the first longitudinal side 20 to the upper lip 26 of the second longitudinal side 21. Additional, this union may be intermittent.
  • More preferably, the strength and integrity of the union 30 may be increased by making the lower surface 18 of the first air bladder 12 continuous with the lower surface 18 of the second air bladder 14. This continuity may be achieved by permanently attaching the lower lip 24 of the first longitudinal side 20 to the lower lip 28 of the second longitudinal side 21. The permanent union 30 may be achieved through any acceptable joining mechanisms or techniques including, but not limited to, heat welding, adhering, bonding, or sewing.
  • More specifically, the union 30 of the embodiment shown in FIG. 2 has been formed by overlapping the upper lips 22 and 26, overlapping the lower lips 24 and 28, and joining the contacting surfaces together. The resulting union 30 is further strengthened, in a preferred embodiment, by adding reinforcement members 32 over the joined lips on the upper and lower surfaces 16 and 18, and joining these members to both bladders 12 and 14.
  • Reputable airbed manufacturers warranty the bladders sold against leaks. In the event of a leak in one of the bladders 12 or 14, the manufacturer will send a replacement bladder in exchange for the faulty bladder. If the airbed includes a mattress 10 that includes two bladders 12 and 14 that are permanently joined, the exchange will necessarily include the shipment of a non-defective bladder along with the defective bladder. In order to minimize the additional shipping charges as well as the costs associated with accepting a perfectly functional bladder as defective, a preferred embodiment of the mattress 10 is shown in FIG. 3 that includes a separable union 32 that may be disassembled in the event that it is desired to separate the bladders 12 and 14, such as for purposes of exchanging a defective bladder.
  • The separable union 32 is effected by a joining mechanism 34. The joining mechanism 34 is shown as a zipper but one skilled in the art will quickly realize that other joining mechanisms may be utilized without departing from the scope of the invention; for example, hook and loop fasteners, adhesives, snaps, laces, buttons, magnets, or the like may be used. Also, the union 32 may be continuous, intermittent, or partial. Preferably, a first portion 36 of the joining mechanism 34 is attached to the upper lip 22 of the first bladder 12. A second portion 38 of the joining mechanism 34 is attached to the upper lip 26 of the second bladder 14. The first portion 36 and the second portion 38 are configured to mate with each other in order to form separable union 32.
  • Preferably, the separable union 32 further includes a second joining mechanism 40, which may or may not be similar to joining mechanism 34. The joining mechanism 40 includes a first portion 42 attached to the lower lip 24 of the first bladder 12 and a second portion 44 attached to the lower lip 28 of the second bladder 14. The first and second portions 42 and 44 are configured to mate with each other to join the lower lips 24 and 28 together.
  • Heretofore, the unions, either permanent or separable, have been described as being formed along either the top edges of the adjacent bladders 12 and 14, or the top and bottom edges of bladders 12 and 14. Some of the objects of the present invention may be accomplished by adjoining the bladders 12 and 14 along a mid portion of their adjacent side walls. However, doing so not only lowers the effective “bridge” that is formed between the two bladders 12 and 14, it necessarily increases the separation force felt by the union when a person is laying on or near the union. Therefore, while such a union is contemplated and considered within the scope of this disclosure, the union would have to be of heavier construction to withstand the additional force. Thus, the preferred union, either permanent or separable, is one where the top edges are joined.
  • In operation, a sleep surface having a continuous upper surface 16 by juxtaposing the first bladder 12 and the second bladder 14. Once juxtaposed, a union 30 or 32 is formed by attaching the upper lip 22 of the first bladder 12 to the upper lip 26 of the second bladder 14. Preferably, the union may be made stronger by attaching the lower lip 24 of the first bladder 12 to the lower lip 28 of the second bladder 14.
  • Those skilled in the art will further appreciate that the present invention may be embodied in other specific forms without departing from the spirit or central attributes thereof. In that the foregoing description of the present invention discloses only exemplary embodiments thereof, it is to be understood that other variations are contemplated as being within the scope of the present invention.
  • Accordingly, the present invention is not limited in the particular embodiments which have been described in detail therein. Rather, reference should be made to the appended claims as indicative of the scope and content of the present invention.

Claims (14)

1. A sleep surface for two people comprising:
a first bladder having a longitudinal side including first upper lip and a first lower lip, each of said first upper and lower lips having an inner surface and an outer surface, said upper and lower lips defining a receiving channel therethrough;
a second bladder having a longitudinal side including a second upper lip and a second lower lip, each of said second upper and lower lips having an inner surface and an outer surface, said second upper lip and said second lower lip received into said receiving channel, wherein the outer surface of said second upper lip abuts the inner surface of said first upper lip and the outer surface of said second lower lip abuts the inner surface of said first lower lip forming an overlap between the first bladder and the second bladder, wherein said longitudinal side of said second bladder is attached to the longitudinal side of the first bladder; and further wherein
each bladder constructed and arranged to maintain an air pressure therein that is independent of an air pressure in the other bladder.
2. (canceled)
3. (canceled)
4. The sleep surface of claim 1 wherein the longitudinal side of the first bladder is heat welded to the longitudinal side of the second bladder.
5. The sleep surface of claim 1 wherein the longitudinal side of the second bladder is attached to the longitudinal side of the first bladder with a hook and loop fastener.
6. The sleep surface of claim 1 wherein the longitudinal side of the second bladder is attached to the longitudinal side of the first bladder with a zipper.
7. The sleep surface of claim 1 wherein the longitudinal side of the second bladder is attached to the longitudinal side of the first bladder with a plurality of snaps.
8. (canceled)
9. The sleep surface of claim 8 further comprising a reinforcing member operably attached to the first and second bladders over the overlap.
10-16. (canceled)
17. A method of creating an uninterrupted sleeping surface with two bladders capable of being folded into a sleeper sofa comprising:
providing a first elongate bladder, having a first longitudinal upper lip and a first longitudinal lower lip, said first upper and lower lips defining a receiving channel;
providing a second elongate bladder, having a second longitudinal upper lip and a second longitudinal lower lip;
receiving the second longitudinal upper and lower lips into said receiving channel such that said first longitudinal upper and lower lips are juxtaposed and overlap said second longitudinal upper and lower lips; and
joining the first elongate bladder to the second elongate bladder.
18. The method of claim 17 wherein joining the first elongate bladder to the second elongate bladder comprises heat welding the first elongate bladder to the second elongate bladder.
19. The method of claim 17 wherein joining the first elongate bladder to the second elongate bladder comprises zipping the first elongate bladder to the second elongate bladder along said overlap.
20. The method of claim 17 wherein joining the first elongate bladder to the second elongate bladder comprises:
providing a hook and loop fastener system having a hook portion and a loop portion;
operably attaching the hook portion to the first bladder;
operably attaching the loop portion to the second bladder;
pressing the hook portion and the loop portion together.
US10/801,769 2004-03-16 2004-03-16 Sleeping surface having two longitudinally connected bladders Abandoned US20050204475A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US10/801,769 US20050204475A1 (en) 2004-03-16 2004-03-16 Sleeping surface having two longitudinally connected bladders

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/801,769 US20050204475A1 (en) 2004-03-16 2004-03-16 Sleeping surface having two longitudinally connected bladders
US11/753,387 US7865988B2 (en) 2004-03-16 2007-05-24 Sleeping surface having two longitudinally connected bladders with a support member

Related Child Applications (1)

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US11/753,387 Continuation-In-Part US7865988B2 (en) 2004-03-16 2007-05-24 Sleeping surface having two longitudinally connected bladders with a support member

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8266747B1 (en) 2008-06-24 2012-09-18 Nomaco Inc. Mattress side/edge support system
USD673801S1 (en) 2011-08-03 2013-01-08 Nomaco Inc. Mattress bed encasement
USD673800S1 (en) 2011-08-03 2013-01-08 Nomaco Inc. Mattress bed encasement
USD675051S1 (en) 2011-09-30 2013-01-29 Nomaco Inc. Edge support cushion
US8375493B2 (en) 2009-08-27 2013-02-19 Sealy Technology Llc One piece foam mattress core encasement
USD677097S1 (en) 2010-05-06 2013-03-05 Nomaco, Inc. Slotted side support
US8561236B2 (en) 2009-06-22 2013-10-22 Nomaco Inc. Stepped-edge and side-support members, assemblies, systems, and related methods, particularly for bedding and seating
USD692689S1 (en) 2010-08-17 2013-11-05 Nomaco Inc. Side support
EP2664257A1 (en) * 2011-07-28 2013-11-20 Tokai Rubber Industries, Ltd. Mattress
USD694042S1 (en) 2010-08-17 2013-11-26 Nomaco Inc. Side support
USD694554S1 (en) 2010-08-17 2013-12-03 Nomaco Inc. Side support
USD695550S1 (en) 2010-08-17 2013-12-17 Nomaca Inc. Side support
US8646136B2 (en) 2009-08-27 2014-02-11 Nomaco Inc. Assemblies, systems, and related methods employing interlocking components to provide at least a portion of an encasement, particularly for bedding and seating applications
US8656539B1 (en) * 2010-08-23 2014-02-25 Dennis Boyd Multi-chamber air mattress with peripheral chamber
USD737074S1 (en) 2013-07-03 2015-08-25 Nomaco Inc. Foam cushion base
USD740053S1 (en) 2013-07-03 2015-10-06 Nomaco Inc. Foam cushion base
US20170042338A1 (en) * 2015-08-13 2017-02-16 Furniture of America, Inc. Foldable Mattrass for Transportation

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US1475771A (en) * 1922-11-20 1923-11-27 Ernest W Aldridge Mattress
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US2367835A (en) * 1943-01-21 1945-01-23 Firestone Tire & Rubber Co Inflatable boat bottom
US2415150A (en) * 1945-06-08 1947-02-04 Stein Michael Russell Pneumatic mattress
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US3319273A (en) * 1964-07-20 1967-05-16 Solin Lawrence Gymnasium mats
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US4128907A (en) * 1975-11-17 1978-12-12 Bernard Gelbart Mattress foundation apparatus
US4991244A (en) * 1990-01-05 1991-02-12 Walker Robert A Border for air bed
US5245719A (en) * 1992-07-30 1993-09-21 Rolf Ott Inflatable support for a human torso
US5987668A (en) * 1997-09-15 1999-11-23 Span-America Medical Systems, Inc. Fabric covered mattress pad
US6161231A (en) * 1998-03-11 2000-12-19 Sleeptec, Inc. Sleeper sofa with an air mattress

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US195850A (en) * 1877-10-02 Improvement in mattresses
US1475771A (en) * 1922-11-20 1923-11-27 Ernest W Aldridge Mattress
US1885974A (en) * 1930-07-24 1932-11-01 Winn John Albert Sectional mattress
US2247667A (en) * 1941-01-24 1941-07-01 Rosberger Max Mattress
US2367835A (en) * 1943-01-21 1945-01-23 Firestone Tire & Rubber Co Inflatable boat bottom
US2415150A (en) * 1945-06-08 1947-02-04 Stein Michael Russell Pneumatic mattress
US2614272A (en) * 1947-04-15 1952-10-21 Morner Hans George Upholstery unit
US2549597A (en) * 1948-03-10 1951-04-17 New York Rubber Corp Inflatable mattress for cribs and the like
US2651788A (en) * 1950-05-09 1953-09-15 Taylor Bedding Mfg Co Mattress
US2879523A (en) * 1956-11-09 1959-03-31 Alice M Klassen Mattress construction
US3128480A (en) * 1962-11-09 1964-04-14 Thomas J Lineback Inflatable mattress or the like
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Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8266747B1 (en) 2008-06-24 2012-09-18 Nomaco Inc. Mattress side/edge support system
US8434178B2 (en) 2008-06-24 2013-05-07 Nomaco Inc. Mattress side/edge support system
US8561236B2 (en) 2009-06-22 2013-10-22 Nomaco Inc. Stepped-edge and side-support members, assemblies, systems, and related methods, particularly for bedding and seating
US8375493B2 (en) 2009-08-27 2013-02-19 Sealy Technology Llc One piece foam mattress core encasement
US8646136B2 (en) 2009-08-27 2014-02-11 Nomaco Inc. Assemblies, systems, and related methods employing interlocking components to provide at least a portion of an encasement, particularly for bedding and seating applications
USD677097S1 (en) 2010-05-06 2013-03-05 Nomaco, Inc. Slotted side support
USD695550S1 (en) 2010-08-17 2013-12-17 Nomaca Inc. Side support
USD694554S1 (en) 2010-08-17 2013-12-03 Nomaco Inc. Side support
USD692689S1 (en) 2010-08-17 2013-11-05 Nomaco Inc. Side support
USD694042S1 (en) 2010-08-17 2013-11-26 Nomaco Inc. Side support
US8656539B1 (en) * 2010-08-23 2014-02-25 Dennis Boyd Multi-chamber air mattress with peripheral chamber
EP2664257A1 (en) * 2011-07-28 2013-11-20 Tokai Rubber Industries, Ltd. Mattress
EP2664257A4 (en) * 2011-07-28 2014-12-17 Sumitomo Riko Co Ltd Mattress
US9021638B2 (en) 2011-07-28 2015-05-05 Sumitomo Riko Company Limited Mattress
USD673800S1 (en) 2011-08-03 2013-01-08 Nomaco Inc. Mattress bed encasement
USD673801S1 (en) 2011-08-03 2013-01-08 Nomaco Inc. Mattress bed encasement
USD675051S1 (en) 2011-09-30 2013-01-29 Nomaco Inc. Edge support cushion
USD737074S1 (en) 2013-07-03 2015-08-25 Nomaco Inc. Foam cushion base
USD740053S1 (en) 2013-07-03 2015-10-06 Nomaco Inc. Foam cushion base
US20170042338A1 (en) * 2015-08-13 2017-02-16 Furniture of America, Inc. Foldable Mattrass for Transportation
US10485356B2 (en) * 2015-08-13 2019-11-26 Furniture of America, Inc. Foldable mattrass for transportation

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