EP1410745A1 - Lit pneumatique ayant toujours la même forme - Google Patents

Lit pneumatique ayant toujours la même forme Download PDF

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Publication number
EP1410745A1
EP1410745A1 EP03256304A EP03256304A EP1410745A1 EP 1410745 A1 EP1410745 A1 EP 1410745A1 EP 03256304 A EP03256304 A EP 03256304A EP 03256304 A EP03256304 A EP 03256304A EP 1410745 A1 EP1410745 A1 EP 1410745A1
Authority
EP
European Patent Office
Prior art keywords
shroud
bladder
combination according
surround
base sheet
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.)
Withdrawn
Application number
EP03256304A
Other languages
German (de)
English (en)
Inventor
Arthur A. Hochschild
Roman Horeczko
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.)
Bowflex Inc
Original Assignee
Nautilus Group 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 Nautilus Group Inc filed Critical Nautilus Group Inc
Publication of EP1410745A1 publication Critical patent/EP1410745A1/fr
Withdrawn legal-status Critical Current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
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/18—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays in combination with inflatable bodies
    • 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 or cushions
    • A47C27/081—Fluid mattresses or cushions of pneumatic type
    • 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 or cushions
    • A47C27/10—Fluid mattresses or cushions with two or more independently-fillable chambers

Definitions

  • Air-inflated beds commonly called “air beds” include an impermeable bladder which is sufficiently deformable to accommodate to the contours of a person lying on it. The amount of deflection and thus the hardness of the bed, is adjustable by varying the air pressure. Air beds are not to be confused with water beds. Although they both are filled with a fluid, the differences in properties of liquid and gas lead to different problems. This invention is limited to improvements in air beds.
  • the air-containing bladder For reasons of cost and function, it is common to form the air-containing bladder with a skin of an organic plastic sheet material, usually a plasticized vinyl. Such a skin adequately retains air under pressure, and flexes to accommodate the occupant. However, such material also has the property of extensibility- it can stretch and balloon.
  • the bladder can extend laterally, it is possible for the outer side face to balloon destroying the symmetry of the bed, This is often countered by a rigid side enclosure, an added element of cost.
  • plastic material is overlaid by a layer of a substance such as an organic foam.
  • a layer of a substance such as an organic foam.
  • Such layers are often provided to improve the comfort of the mattress.
  • Such layers can leach plasticizer from the vinyl. After enough plasticizer had been leached out, the sheet may crack and leak. Then the leak must be repaired or the entire bladder must be replaced.
  • each bladder has a flexible, impermeable skin and means to inflate it with air.
  • the bladder when inflated has a top face, a bottom face, two side faces and two end faces.
  • the bladder is formed from sheet material. Because of internal channeling structures, the top and bottom faces are not purely planar without restraint, the side surfaces will tend to bow out obtusely, and the corners will be rounded, as will the edges of the top and bottom faces.
  • These are well-recognized bladders which when held in a suitable bounding structure and within layers of material laying on the top face, will provide an acceptably flat and rectangular-appearing bed, at least at first.
  • the bladder is enclosed in a shroud of flexible material which itself is substantially inextensible. Its area is formed with dimensions that are substantially equal to the desired ultimate outer dimensions of the bladder when inflated, and before being stretched. Accordingly, when inside the shroud, no dimension of the bladder can "grow" beyond its design shape, no matter what air pressure is exerted in the bladder, and no matter what loads are placed on the beds.
  • the shroud is preferably a continuous band wrapped peripherally around the top and the sides of the blender, while at least one of the ends, or preferably both, is or are openable to receive the bladder, and closeable so as fully to encapsulate the bladder.
  • the bladder is trapped against growth beyond its design dimensions.
  • the adjacent edges of the top surfaces of the shrouds are joined, and are also joined to the adjacent lower edges, by a web which forms in common the adjacent side faces of the shrouds.
  • side and end bolsters adjoin the sides and ends of the shrouds, presenting a concave shape to receive the sides and ends of the shroud to resist outward, tilting, and upward movement of the outer sides and ends.
  • a flexible surround embraces the assembled group of bladders to hold them in an assembled array.
  • Fig. 1 illustrates the relationship between shroud 10 and bladders 11, 12.
  • the shroud provides a pocket 13, 14 for each of the bladders.
  • the structure includes a peripheral tube-like surround 15, and end closures 16, 17, 18, 19 to close the ends of the surround.
  • At least one end closure for each bladder can be opened to receive the bladder. If desired, the other may also be openable, or be permanently closed. With both ends open the bladder can more conveniently be inserted. Attachments means 20 such as hook-loop strips may be provided releasably to hold the closures in the closed position.
  • hoses 21 are provided to conduct inflation air into the bladders. They pass through ports 22, 23 in end closures 16, 17.
  • the bladder includes an outer impermeable and flexible skin 25. It is formed from sheet material to the desired shape by tailoring pieces to size and joining them by seam welding techniques. Inner structures are usually provided to restrict flow of air from one region to another inside the bladder. They form no part of the invention, and require no detailed description here.
  • the material used is usually a plasticized vinyl material which can be stretched. As described above, such stretching can lead to distension and ultimate damage to the bladder.
  • the bladder is formed so that, when it is inflated and enclosed, it will fill any available room for expansion.
  • the dimensions of the bladder structure are selected so that when it is restricted, its surface will fill the volume defined by the bladder before being substantially stretched.
  • the bladder includes dimension 26 of longitudinal length, of width 27 and of depth 28. When inflated as stated, its surface area will be near to the arithmetic product of these dimensions.
  • a shroud 30 according to this invention has dimensions of length, width and depth substantially equal to dimensions 26, 27 and 28 of the inflated bladder.
  • the material of the shroud is selected to be flexible, but not appreciably stretchable. Tightly woven fabrics are suitable for this purpose.
  • the intended result is for the shroud to define the intended shape of the inflated mattress.
  • the upper face 31 of the shroud performs an additional function.
  • a good cotton based fabric will not tend to leach plasticizers from the bladder material.
  • the bladders (only bladder 11 will be described in detail, because both are alike) has a pair of side faces 33, 34 end faces 35, 36, top face 37 and bottom face 38. These faces are intended to be sensibly planar in the bed as installed, although curvature at the corners and edges is to be expected.
  • side surround 40 (Fig. 2).
  • Surround 40 has a base sheet 41 of cloth laid on the floor.
  • a band 42 is attached at its lower edge 43 to the base sheet.
  • Band 42 is formed as an open rectangular structure, often of soft and decorative material. The resulting rectangular shape is defined by its attachment to the base sheet. As such, it becomes a receptable for the encapsulated bladders.
  • comfort layer 45 of foam material (perhaps egg-crate type material) can simply be laid in the upper surface of the shroud.
  • the shroud protects the bladder from leaching out of its plasticizer.
  • Normal sheets or bed pads (not shown) can be laid directly onto comfort layer 45.
  • the shroud can be provided in several configurations. They all have in common their embrace of all faces of each bladder.
  • the cloth shape can be formed by sewing or cementing as preferred, joining suitably tailored pieces of material.
  • Fig. 4 shows the presently preferred embodiment of shroud 50, because it is readily manufactured.
  • the peripheral portion 57 extends completely around both of the bladders to embrace their top faces, bottom faces, and outer side faces.
  • a web 52 of similar material is attached to the under (inside) surface of the top of portion 57 and to the upper (inside) surface of the bottom of portion 51. This web may be attached by stitching or cementing as desired.
  • the end closures are stitched to the upper end edges of portion 57, and are fastened at the lower end edges by a suitably means such as Velcro (TM), a loop and hook fastener.
  • a suitably means such as Velcro (TM), a loop and hook fastener.
  • Figs. 3 and 6 The construction of Figs. 3 and 6 is preferred for its ease of manufacture, and also because of the joinder of the web at attachment seams 55, 56. This provides optimum restraint against sidewise rolling movement of the mattress, and also enlists each bladder in side support of the other.
  • each bladder 60, 61 can have its own respective shroud 62, 63. It is convenient to use base sheet 64 as the lower part of the shroud, although individual, complete separate shrouds may be provided. In any event the lower inner parts of the shrouds, such as parts 65, 66 should be anchored to base sheet 64.
  • Fig. 7 offers the advantage that both shrouds are independent and both use the base sheet as part of the shroud. Attachment points 67, 68, 69 illustrate this feature. If desired, both shrouds can be part of a single sheet of material.
  • Fig. 8 shows another scheme in which shroud 70 is a complete "arch".
  • Shroud 71 is a partial arch, and uses leg 72 of shroud 70 as a web in common with shroud 71.
  • Fig. 4 shows a pair of foam bolsters 80, 81 which extend along the sides of the bladders. Similar bolsters (not shown) abut the ends. The same surround holds the bolsters against the bladder or bladders.
  • a concave surface 83 is intended to trap the edge of the bolster to keep it from climbing.
  • the bed of this invention is finished with a finish layer 90, usually of attractive quilted material, which is preferably attached around its periphery to the peripheral upper edge of the surround. This attachment can be accomplished by a separable zipper along the respective edges and relates in a singularly stable bed, with or without bolsters.
  • the underlying foam layer can, if desired, be provided in two pieces instead of one. The occupants can thereby have different levels of cushioning resistance as well as individually selectable inflation air pressure.

Landscapes

  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
EP03256304A 2002-10-07 2003-10-07 Lit pneumatique ayant toujours la même forme Withdrawn EP1410745A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US265917 2002-10-07
US10/265,917 US20040064895A1 (en) 2002-10-07 2002-10-07 Stabilized shape retentive air-inflated bed

Publications (1)

Publication Number Publication Date
EP1410745A1 true EP1410745A1 (fr) 2004-04-21

Family

ID=32042553

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03256304A Withdrawn EP1410745A1 (fr) 2002-10-07 2003-10-07 Lit pneumatique ayant toujours la même forme

Country Status (4)

Country Link
US (1) US20040064895A1 (fr)
EP (1) EP1410745A1 (fr)
CA (1) CA2444336A1 (fr)
MX (1) MXPA03009171A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2039272A1 (fr) * 2007-09-18 2009-03-25 Ideal Time Consultants Limited Ensemble de lit gonflable

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6651283B1 (en) * 1998-08-24 2003-11-25 The Nautilus Group, Inc. Air bed
WO2005117658A1 (fr) * 2004-06-04 2005-12-15 Prospective Concepts Ag Coussin pneumatique
WO2013103942A1 (fr) * 2012-01-06 2013-07-11 Berry Plastics Corporation Ensemble de couchage
EP3768124A4 (fr) 2018-03-22 2022-03-23 Number Bed Holdings, LLC Matelas réglable comprenant des inserts en mousse et des chambres à air

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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US779576A (en) * 1903-09-11 1905-01-10 Benjamin F Berryman Mattress.
EP0257953A2 (fr) * 1986-08-25 1988-03-02 American-National Watermattress Corporation Matelas à eau hybride ayant des bords latéraux moux et concaves
US4991244A (en) * 1990-01-05 1991-02-12 Walker Robert A Border for air bed
EP0678264A1 (fr) * 1994-04-19 1995-10-25 SIRIFLEX ITALIA s.n.c. di Giuseppe & Sante Sica Matelas pour un lit ou similaire

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2039272A1 (fr) * 2007-09-18 2009-03-25 Ideal Time Consultants Limited Ensemble de lit gonflable

Also Published As

Publication number Publication date
US20040064895A1 (en) 2004-04-08
MXPA03009171A (es) 2004-04-28
CA2444336A1 (fr) 2004-04-07

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