EP1753322B1 - Coussins pneumatiques pour s'asseoir, s'adosser et s'allonger - Google Patents

Coussins pneumatiques pour s'asseoir, s'adosser et s'allonger Download PDF

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Publication number
EP1753322B1
EP1753322B1 EP05737625.3A EP05737625A EP1753322B1 EP 1753322 B1 EP1753322 B1 EP 1753322B1 EP 05737625 A EP05737625 A EP 05737625A EP 1753322 B1 EP1753322 B1 EP 1753322B1
Authority
EP
European Patent Office
Prior art keywords
pneumatic
cushion
webs
pneumatic structure
chambers
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.)
Not-in-force
Application number
EP05737625.3A
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German (de)
English (en)
Other versions
EP1753322A1 (fr
Inventor
Laszlo Kerekes
Roland Von Ballmoos
Josef Steffen
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.)
Prospective Concepts AG
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Prospective Concepts AG
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Publication date
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Publication of EP1753322A1 publication Critical patent/EP1753322A1/fr
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Not-in-force 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
    • A47C4/00—Foldable, collapsible or dismountable chairs
    • A47C4/54—Inflatable chairs
    • 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

Definitions

  • the present invention relates to pneumatic cushions, in particular for seat reclining and lying cushions according to one of the independent claims.
  • Pneumatic cushions are widely known. Also, some efforts have been made to create flat structures.
  • hoses each with a round cross-section.
  • the old-fashioned air mattress can serve here.
  • the individual hoses are usually connected to each other so that they form one or two contiguous air chambers.
  • the hoses are connected together such that a part of a hose wall is also part of the hose wall of a second hose.
  • a quasi closer moving together of the individual tubes can be achieved.
  • the individual hoses lie in one or two levels.
  • a disadvantage of D1 is that the surface of the pillows produced still shows the nature of adjacent hoses and thus the comfort, for example, to sit or lie on such a pillow, is greatly impaired.
  • Object of the present invention is to provide cushions with a high level of comfort, in particular to sit on it, to lie or to lean on it.
  • the inventive cushions are constructed of a coating and an internal pneumatic structure.
  • the pneumatic structure has at least one gas-tight chamber and defines the shape of the pneumatic cushion.
  • the inventive cushions can be used in particular in home furnishings such as chairs, seats and beds but also in seats of means of transport such as vehicles and aircraft.
  • US 1,985,432 shows a pneumatic cushion, divided into pressurized chambers whose side walls are not elastic and whose upper and lower walls are elastically formed, so that on the one hand a stable arrangement is present, on the other hand, soft for the user, as compressed gas through connecting openings in the chamber walls ever can flow into the various chambers after load condition.
  • GB 243 874 shows a pneumatic cushion that provides improved lateral support by the edge regions as tubes, preferably with larger diameter, are formed.
  • the pneumatic structure is formed from gas-tight material. It is essentially constructed of a shell and webs extending therein. The entire pneumatic structure is surrounded by a coating. The cover is designed to be tensioned by the pressurized pneumatic structure. Since the shell deforms like a circle between the webs under pressure, the pneumatic structure is given a ribbed surface. Due to the tensioned coating, the individual ribs are no longer perceived so clearly, as a result of which, for example, the sitting comfort of a pillow designed in this way is significantly increased.
  • the pneumatic structure is constructed such that a functional separation can be realized between the forming and the gas-tight means.
  • a coating comprises the pneumatic structure such that it is tensioned by the pressurized pneumatic structure.
  • the pneumatic structure is made up of individual interconnected hoses. Also around this embodiment of the pneumatic structure, a coating is laid so that it is stretched by the filled pneumatic structure.
  • a pillow such as a reclining cushion to combine the various embodiments of the pneumatic structure together.
  • the pneumatic cushions may be equipped with actuators, which may also be pneumatic. An adaptation to individual needs is thus made possible.
  • inventive cushions are described in detail. It is discussed on the individual embodiments and variants thereof. The actuators and reinforcements are also discussed.
  • Fig. 1 shows a first embodiment of a first execution group.
  • the first execution group includes all embodiments in which 2 webs 3 are mounted within a gas-tight envelope.
  • the webs extend from an upper side of the shell 2 to an underside. The webs thus prevent the free expansion of the shell in the vertical direction.
  • the chambers 4 formed by the webs may be fluidly connected to one another or form separate compartments.
  • the webs can not extend all the way to the edge of a pad 5, so that the pad 5 consists of a single air chamber.
  • the webs may also be interrupted or contain openings.
  • the webs 3 form mutually closed chambers 4, they must be arranged in the shell 2 so that they are connected over its entire circumference with the shell 2.
  • the webs 3 can be connected, for example, by gluing or welding with the shell 2.
  • the webs 3 and the sheath 2 are made of low-stretch materials, for example PU.
  • the casing 2 is covered by a coating 1.
  • the tension in the coating 1 can be further increased if the circumference of the relaxed coating is slightly smaller than the circumference of the filled pneumatic structure, the coating 1 is thus biased.
  • the stress ⁇ is therefore adjustable via the pressure p as well as the radius r , whereby the radius r is given by the construction.
  • the only free parameter of a completed pad 5 is the pressure p .
  • the webs are partially double-walled. If the intermediate spaces in the webs 3 are subjected to a pressure p 2 , p 2 > p 1 , they deform and shorten the webs 3. This results in a deformation of the casing 2.
  • a cushion 5 with such adaptive webs 3 can therefore be adapted in shape to a certain extent to individual needs.
  • the shell 2 can be made double-walled.
  • Fig. 3 corresponds to a large extent in Fig. 1 described form.
  • a substantially horizontal web 3 is mounted in the pneumatic structure. Through him chambers are created in two layers.
  • adaptive webs 3, as in the Fig. 2 represented, horizontally and / or vertically used.
  • a functional separation between the means responsible for the shape of a pad 5 and the gas-tight means to be pressurized is made.
  • the sheath 2 and the webs 3 can now be made of any desired low-stretch material.
  • hermetic tubes 6 are inserted. If the hoses 6 pressurized, they fill the chambers and thus stretch the shell 2 and the webs 3.
  • the hoses can now be made of any gas-tight material, such as a stretchable. The risk of overstretching does not exist since the expansion of the hoses is limited by the sheath 2 and the webs 3.
  • the webs 3 or the shell 2 can also be made partially double-walled here. As in the chambers 4 can then be inserted in the webs a gas-tight tube 6. This achieves the same adaptive effect as described above.
  • the embodiments in the Fig. 6 and 7 differ from those in the 4 and 5 in that the sheath 2 and the webs 3 are replaced by pockets 7 with connecting points 8.
  • Each tube 6 is arranged in a separate pocket 7.
  • the pockets 7 are connected to each other at connection points 8.
  • connection points 8 can also be attached only in partial areas of the previously existing webs or at other locations, for example between the cover 1 and the pockets.
  • a connection type for example, sewing, gluing and welding are suitable.
  • the 8 and 9 show embodiments of a third group.
  • the shell 2 and the webs 3 is dispensed with.
  • Gas-tight hoses are directly connected to each other, for example by welding or gluing.
  • the connection points 8 can be present over a large area or only in a few places.
  • hoses 6 can be inserted between welded seams, so that an adaptive cushion 5 is created.
  • this embodiment can be performed only single-layer.
  • an offset arrangement of the chambers 4 can be achieved in the embodiments described above, as shown in the Fig. 9 is shown.
  • the pneumatic structure of a pad 5 can be composed of a combination of the previously described embodiments.
  • embodiments can be combined with and without hoses, that is, embodiments of the first embodiment of the Fig. 1 to 3 with embodiments of the second embodiment of the Fig. 4 to 9 , Further, features of one embodiment may be incorporated in another embodiment or features of the described embodiments combined into new ones.
  • the Fig. 10 shows an embodiment in which two layers of chambers 4 are arranged, wherein the upper layer with a different, smaller here, pressure is applied to the lower.
  • a seat cushion 5 can thus, for example the sinking depth into the cushion 5 are influenced without it having to work hard on the surface.
  • This principle can be generalized without restrictions and transferred to the other embodiments. In principle, it is conceivable and included in the idea of the invention to pressurize each chamber 4 or each tube 6 with its own pressure.
  • a functional intermediate layer into the pads 5, for example between the pneumatic structure and the cover 1.
  • Such an intermediate layer can take on different functions.
  • a pad can be attached as the intermediate layer.
  • an air-permeable intermediate layer for example in the form of a spacer fabric below the cover 1.
  • Such an intermediate layer makes it possible to ventilate and to air-condition a cushion independently of the pneumatic structure.
  • the pads 5 are constructed of a pneumatic structure together with a surrounding coating 1.
  • a pad 5 without the coating 1 can be formed solely from the pneumatic structure.
  • FIGS. 11 and 12 show plan views of, for example, seat cushion 5.
  • pneumatic actuators are shown, which serve to move the inventive cushion 5 or deform, so that a further adaptation to individual wishes is possible.
  • All in the 11 to 18 illustrated embodiments of the pneumatic structure are a limited selection and serve only the Illustration. Of course, each of the pneumatic structures can be combined with each one.
  • FIGS. 11 and 12 shown pneumatic structures are intended to illustrate that the webs 3 or the tubes 6 are not only rectilinear, but can also take curved or closed forms.
  • the pneumatic cushions can thus be optimized ergonomically.
  • the structure of the pneumatic cushion can already be optimized for the weight load of a seated or lying person.
  • the idea of the invention also includes imaginative arrangements of the webs 3; a restriction to parallel or orthogonal to each other extending webs 3 is not in the spirit of the invention.
  • the cushion 5 can be moved as a whole or changed in shape, which allows a further type of adaptation to individual needs or requirements.
  • the same adaptations can be achieved with non-pneumatic actuators.
  • the Indian Fig. 13 shown actuator is mounted with a bracket 31 to a fixed structure 30.
  • a flexible plate 32 is arranged, for example by means of screws 33.
  • the flexible plate can be made for example of plastic, a metal or a spring steel. Between the holder 31 and the flexible plate 32, a pressurizable bladder is attached.
  • the Fig. 14 shows the first actuator Fig. 13 arranged between a pneumatic structure comprising it.
  • the bladder 34 as in Fig. 15 shown, pressurized, it deforms and presses the free end of the flexible plate 32 of the holder 31, bends and biases them. With this deformation, the pneumatic structure in the plane of FIG. 15 slightly widened.
  • the elastic plate again assumes its relaxed, straight initial shape.
  • the coating 1 can be as in FIGS. 14 and 15 illustrated comprising the pneumatic structure together with the first actuator.
  • a pad 5 or a pad 5 may each be mounted on one side of the actuator.
  • the holder may also at least partially consist of a flexible plate 32.
  • flexible plate 32 instead of in the Fig. 14 used flexible plate 32 to use a substantially rigid plate and press for example with springs against the holder 31 and pinch the bubble between itself and the holder 31.
  • Fig. 16 shown second actuator two plates 37 are articulated by means of a hinge 38 to each other. Between the plates, a plurality of bubbles 34 are preferably arranged. The bladders 34 are held in position with tabs 39. When the bubbles 34 are pressurized, they expand and open the plates at their free ends. Depending on where and how the actuator is arranged, it closes when relief of the bubbles by itself, or, for example, additionally attached spring elements close it actively. Opening angles of 90 ° and more are possible with the second actuator. It is therefore suitable for changing the position of cushion 5 to each other.
  • FIGS. 17 and 18 show another type of pneumatic actuators. They consist of a flexible base plate 41, which has a plurality of ribs 42. By the ribs 42 a plurality of substantially parallel grooves are formed. In each groove, a hose 6 is arranged. The hoses 6 are dimensioned so that they fill the grooves under pressure and press against the ribs 42. With increasing pressure, the hoses 6 press the ribs 42 apart at their free ends, whereby the base plate bends. If the hoses are relieved of pressure, the base plate resumes its original shape.
  • the embodiment of the Fig. 17 can be bent on one side, those of the Fig. 18 on two sides, depending on which hoses are pressurized. Cushions 5 attached to these actuators can be bent adaptively, for example for adaptation a chair back in the lumbar spine area can be used.
  • the Fig. 19 shows a built-up from the pneumatic components described above bucket seat 44 for a passenger vehicle.
  • the bucket seat is assembled from a plurality of pneumatic pads 5.
  • the individual pads 5 are optimized for their function. Some have actuators, others have adaptive bars 3, and others have both or none of the adaptive extensions. Not shown is a basic structure to which the individual components of the bucket seat are attached. Likewise, the actuators are not shown. There are still missing the coatings 1, so that the pneumatic structure of the individual pads 5 is visible.
  • the seat cushion 45 of the bucket seat 44 is structurally optimized for the load of a seated person. In the area of the buttocks and thighs recesses are arranged, which can be adjusted with double bars still.
  • a thigh support 47 is pivoted at the front end of the seat cushion 45. With an actor like in Fig. 16 The thigh support can be pivoted to a preferred position. Left and right on the seat cushion 45 leg guide pillows are attached. You can use an actor, such as the Fig. 16 to be applied to the sides of the legs. Especially when cornering a person is held in the seat and supported.
  • the backrest of the bucket seat 44 is divided into several areas.
  • the lordose cushion 46 can, for example, with an actuator according to Fig. 17, 18 or 13 deformed and / or pivoted.
  • a back pad 50 extends substantially over the area of the thoracic spine. Side of the back cushion 50 side supports 49 are attached. You can, for example, as in the FIGS.
  • the upper part of the backrest is formed by a shoulder cushion 51 and a headrest 52.
  • a seat for example, as a passenger seat, it is also possible to attach cushions 5 for supporting or guiding the lower legs and feet.
  • the various embodiments of the pads 5 can be combined with one another in any desired manner. They can be adapted and optimized for a specific purpose. In the field of passenger transport, in home and sports use, a variety of applications open. The combination of the cushion 5 with actuators allows a still further field of application.
  • Included in the concept of the invention is to connect the pneumatic structures and actuators described above with a suitable line and valve system, so that the various components can be supplied with the correct pressures, or the pressures in the components can be controlled and monitored.

Landscapes

  • Mattresses And Other Support Structures For Chairs And Beds (AREA)

Claims (4)

  1. Coussin pneumatique (5), notamment coussin d'assise, de couchage ou de dossier, constitué d'une structure pneumatique composée d'une enveloppe (2) étanche à l'air et susceptible d'être soumise à de l'air comprimé, dans laquelle, entre la face supérieure et la face inférieure s'écoulent des barrettes (3) et naissent des compartiments (4),
    - sachant qu'on entoure la structure pneumatique avec une housse (1) de telle sorte que la housse (1) soit tendue par l'enveloppe (2) soumise à de l'air comprimé p1, caractérisé en ce qu'au moins une partie des barrettes (3) et/ou au moins une partie de l'enveloppe (2) de la structure pneumatique est conçue à double paroi, de sorte à donner naissance à au moins un espace intermédiaire, qui se déforme lorsqu'on le soumet à une pression p2, p2 > p1, et raccourcit la barrette (3) à double paroi et/ou l'enveloppe (2) à double paroi.
  2. Coussin pneumatique (5) selon la revendication 1, caractérisé en ce qu'au moins une barrette (3) horizontale est présente dans la structure pneumatique, de sorte à donner naissance à au moins deux couches de compartiments (4).
  3. Coussin pneumatique (5) selon la revendication 1, caractérisé en ce que
    - la structure pneumatique est composée par ailleurs de flexibles (6) étanches au gaz, dont un au moins est placé dans chaque compartiment (4) .
  4. Coussin pneumatique (5) selon la revendication 3, caractérisé en ce que dans la structure pneumatique est présente au moins une barrette (3) horizontale, de sorte à donner naissance à au moins deux couches de compartiments (4).
EP05737625.3A 2004-06-04 2005-05-19 Coussins pneumatiques pour s'asseoir, s'adosser et s'allonger Not-in-force EP1753322B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH9602004 2004-06-04
PCT/CH2005/000280 WO2005117657A1 (fr) 2004-06-04 2005-05-19 Coussins pneumatiques pour s'asseoir, s'adosser et s'allonger

Publications (2)

Publication Number Publication Date
EP1753322A1 EP1753322A1 (fr) 2007-02-21
EP1753322B1 true EP1753322B1 (fr) 2018-09-12

Family

ID=34966595

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05737625.3A Not-in-force EP1753322B1 (fr) 2004-06-04 2005-05-19 Coussins pneumatiques pour s'asseoir, s'adosser et s'allonger

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Country Link
US (1) US20080271251A1 (fr)
EP (1) EP1753322B1 (fr)
WO (1) WO2005117657A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014006183A1 (de) 2014-04-29 2015-10-29 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Fahrzeugsitz für ein Fahrzeug und Fahrzeug mit dem Fahrzeugsitz
DE102021106561A1 (de) 2020-04-16 2021-10-21 Faurecia Autositze Gmbh Fahrzeugsitz
DE102023002432A1 (de) 2023-06-16 2024-03-21 Mercedes-Benz Group AG Fahrzeugsitz

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB243874A (en) * 1924-10-29 1925-12-10 David Moseley & Sons Ltd Improvements in or relating to pneumatic cushions, beds, upholstery and the like
US1985432A (en) * 1933-06-14 1934-12-25 James O Tucker Pneumatic cushion mattress or the like
US2604641A (en) * 1947-02-11 1952-07-29 Stanley F Reed Inflatable mattress
US2614272A (en) * 1947-04-15 1952-10-21 Morner Hans George Upholstery unit
US2748401A (en) 1952-06-30 1956-06-05 Hedwin Corp Extruded flexible and hollow articles and method of making same
US3312987A (en) * 1965-04-21 1967-04-11 William M Emery Small wrinkle-free face pillows
GB1193264A (en) * 1966-07-08 1970-05-28 Dino Edwin Bousso Improvements relating to Bellows Devices
US3568227A (en) * 1968-04-10 1971-03-09 Philips Maine Corp Inflatable cushion and apparatus for making same
FR2542589B1 (fr) * 1982-12-20 1986-04-18 Dejoux Andre Structures souples comportant plusieurs volumes gonfles a des pressions differentes pour la realisation d'elements de mobilier
US4655505A (en) * 1984-12-13 1987-04-07 Nhk Spring Co., Ltd. Pneumatically controlled seat for vehicle
US5491854A (en) * 1994-05-19 1996-02-20 Music; Earl D. Inflatable mattress and bed assembly with taut, tensioned cover
US6516483B1 (en) * 2000-03-28 2003-02-11 The Or Group, Inc. Patient support surface
US7478448B2 (en) * 2001-08-01 2009-01-20 Aero Products International, Inc. Inflatable reinforcing chamber
US6701559B2 (en) * 2001-08-01 2004-03-09 Aero Products International, Inc. Increased height inflatable support system
WO2005117658A1 (fr) * 2004-06-04 2005-12-15 Prospective Concepts Ag Coussin pneumatique
DE502005003341D1 (de) * 2004-06-04 2008-04-30 Prospective Concepts Ag Pneumatische struktur

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP1753322A1 (fr) 2007-02-21
WO2005117657A1 (fr) 2005-12-15
US20080271251A1 (en) 2008-11-06

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