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WO2008151646A1 - Siège pour enfant, destiné au transport d'un enfant dans un véhicule - Google Patents

Siège pour enfant, destiné au transport d'un enfant dans un véhicule Download PDF

Info

Publication number
WO2008151646A1
WO2008151646A1 PCT/EP2007/005193 EP2007005193W WO2008151646A1 WO 2008151646 A1 WO2008151646 A1 WO 2008151646A1 EP 2007005193 W EP2007005193 W EP 2007005193W WO 2008151646 A1 WO2008151646 A1 WO 2008151646A1
Authority
WO
WIPO (PCT)
Prior art keywords
seat according
car seat
child car
pillow
child
Prior art date
Application number
PCT/EP2007/005193
Other languages
German (de)
English (en)
Inventor
Michael Nüssel
Original Assignee
Recaro Gmbh & Co. Kg
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 Recaro Gmbh & Co. Kg filed Critical Recaro Gmbh & Co. Kg
Priority to PCT/EP2007/005193 priority Critical patent/WO2008151646A1/fr
Publication of WO2008151646A1 publication Critical patent/WO2008151646A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2851—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle provided with head-rests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/90—Details or parts not otherwise provided for
    • B60N2/914—Hydro-pneumatic adjustments of the shape

Definitions

  • the invention is directed to a child seat for transporting a child in a vehicle preferably in an upright position, with a seat surface and a backrest and a device for fixing in a vehicle, wherein a headrest is provided in the upper region of the backrest.
  • a continuous tilt adjustment of the headrest is desirable, which on the one hand allows to adapt the headrest to the age and size of a child, and on the other hand should offer the possibility, while driving between a more upright Head position and a more inclined head posture to be able to choose.
  • a tilt adjustment can not be realized with conventional techniques or only with great effort. Instead, usually the inclination of the seat is changed altogether, which often does not lead to a satisfactory result.
  • the problem initiating the invention results in realizing a continuous tilt adjustment on the inside of a headrest of a child seat for installation in motor vehicles.
  • the position of the front cushion cover can be adjusted continuously, with a more filled cushion leads to an upright head posture, a deflated to a rather flatter head posture.
  • the filling of the pillow forms a padding for the child's head, which is therefore very soft.
  • the cushion cover consists of a gas- and / or fluid-tight, in particular airtight material.
  • the volume to be filled can be sealed tight, and a filling or a resulting, internal filling pressure remains constant for months or even years.
  • the cushion cover consists of a flexible, that is, of a flexible material.
  • the cushion cover is able to buckle more or less depending on the degree of filling.
  • the shape of the cushion will more closely approximate a spherical shape, because in this case the ratio of volume to surface area is the maximum. An approximately spherical, bulging pillow therefore bends more forward than a less filled.
  • the cushion cover consists of a little or no elastic, that is, of a hardly or not at all extensible material.
  • Non-elastic materials for example. Plastic films, are easier to seal than elastic.
  • a little or no expandable shell can be provided with a metal coating which guarantees the greatest possible tightness.
  • the shape of the filled pad can therefore be predetermined or influenced quite accurately by preforming in the manufacturing process.
  • the cushion cover can also consist of a (possibly limited) elastic material.
  • the main focus is on the idea that the im As a result of its inherent elasticity, it tends to return to the unstretched initial state in which it is (largely) emptied. Such a cushion cover must therefore not be actively emptied, but emptied automatically as soon as this allows an opening in the otherwise closed enclosure.
  • One way to produce the cushion is to make the cushion cover from two approximately congruent layers, in particular blanks, by these are sealed at the edges together. This gives a more typical pillow shape with approximately in a plane extending edge or connecting line, from which bulge out more or less strongly the two blank layers in the filled state.
  • the cushion cover consist of two approximately congruent layers, in particular blanks of a plastic film, which are edge welded or glued together. This connection technique can be performed absolutely tight.
  • the cushion cover or its two approximately congruent layers or blanks each has a base (-en), which corresponds approximately to the rear or central part of the headrest or something smaller, especially narrower than that part, it can be in one attach approximately flat configuration to the headrest so that wrinkling is excluded as much as possible and the cushion cover is stretched smooth and taut when inflated.
  • the invention further provides that the cushion cover or its two approximately congruent layers or blanks (each) has a base (-en) with four approximately straight edge portions, of which two adjacent sections merge into each other via corners or curves.
  • the cushion can be optimally fitted in the middle or trough of the headrest between the two sides or side panels, because this area of the headrest usually has a likewise approximately square base.
  • the invention can be further developed to the effect that the cushion cover or its two approximately congruent layers or blanks (each) has (s) extending from bottom to top base (s), in particular of the shape of a widening upward trapezium. This corresponds to the usual form of a headrest, the two ear or side supports seen from bottom to top diverge from each other to give a child a relatively large range of motion and to allow lateral commuting of the head.
  • a particularly advantageous arrangement results when the two edge-side interconnected, in particular welded, layers of the cushion cover are additionally welded to one another at one or more points within their area bounded by the edge-side welding.
  • the two layers of the cushion cover are also interconnected approximately in the region of their center, they can only be removed from each other at this point to a limited extent, and the pillow can not inflate uncontrollably, but also retains a comparatively slender or flat in the filled state Shape and offers the child regardless of the filling state a large, in the broader sense relatively flat contact surface for leaning the head.
  • One or more of the additional welds may have a point and / or line extension.
  • the invention gives preference to linear welding, because they are less stressed locally than spot welds due to the larger joint area.
  • At least two welding lines run parallel to one another.
  • the cushion covers can therefore only be removed from one another to a lesser extent in the intermediate space, and the cushion also retains its flat shape during filling.
  • at least two welding lines should lie in a common flight.
  • a weld line should not pass from one edge of the pad to the other, but should be subdivided into several line sections, each of which can lie in a common alignment. This remains between the facing ends of such line sections unwelded spaces where the filling medium can circulate freely.
  • the cushion forms only a single (air) chamber, which can be filled in a single step.
  • pressure equalization takes place with the result that the "hardness" of the pad is the same everywhere.
  • the same purpose is served by an embodiment of the invention, according to which the end points of one, several or all of the welding lines lie at a distance from the edge-side welding.
  • the filling medium can circulate unhindered within the edge-side welding.
  • the cushion cover For attachment of the cushion according to the invention it is provided that at one edge portion of the cushion cover, and / or at one or both of their blanks, preferably at the upper and / or lower edge, one or more tapes are attached to wrap around the headrest or a part thereof, preferably along a vertical plane.
  • the term "attached” should also include the case that the respective bands are cut together with at least one layer of the cushion cover as a single piece of the same material web and therefore related to the cushion cover from the beginning, without causing a connection process
  • the pillow according to the invention is arranged below a covering material of the headrest, possibly even below an (additional) padding of the same.
  • the fixing straps can wrap around the framework of the headrest consisting of a comparatively hard material, for example a solid plastic however, it is not necessary because the pillow is at most subjected to compressive forces against the direction of travel and no tensile forces, so it is even possible for the pillow to be solely on a foamed insert in the inside, for example
  • the fixing straps wrap around the headrest and / or its inner frame and / or an insert used for impact damping in the front of the headrest along an approximately vertical plane, ie along a plane including a smaller angle with the vertical than with the horizontal transverse to the direction of travel; because in such cases, the ear or side rests on the headrest do not disturb the course of the fixation bands.
  • fixation bands there are one or two such fixation bands, depending on whether or not the headrest framework itself is enclosed.
  • An insert may be looped around with only a single fixation band, as it has no shaft-like extension on its underside as the (hard) base of the headrest itself; If the latter, however, is looped around, it is advisable to use two fixing straps, each extending in the region between a central, eg shaft-like supporting and / or guiding column of the headrest and in each case one ear or side rest of the headrest.
  • each wrap band is in one piece, in the latter case it consists of two bands, which are connected to each other.
  • the pillow should be located below a fabric for the headrest. Regardless of the material of the pillow and without the fact that it is airtight, the child will always find a skin-friendly surface in the form of the fabric, so that allergies are excluded. On the other hand, since a fabric spans relatively smoothly over any existing weld lines, there are also channel-shaped voids outside of the pillow between it and the (air-permeable) fabric in which fresh air can circulate, preventing the child from perspiring.
  • a device that has an elastic bladder.
  • a medium can be stored by Compress this bubble is pushed through a connecting hose (partially) in the pillow to fill this more or less bulging.
  • a connecting hose partially in the pillow to fill this more or less bulging.
  • the volume of the medium enclosed in the pillow, tube and bladder system must be sufficient to effect full deployment of the pillow.
  • the bubble in terms of their maximum content at least as large as the (unfolded) pillow, or even slightly larger.
  • Such a bubble may have an approximately balloon-shaped geometry or be designed as a bellows, that is, folded in the manner of a concertina.
  • the medium can be gaseous, for example air, but also a largely incompressible liquid, for example water. While in the former case the pillow can be elastically compressed, for example when the head is being thrown back, in the latter case - as in the case of a waterbed - increased dimensional stability is in the foreground, and the elasticity is limited to a partial displacement of the incompressible medium.
  • the means for filling the pillow may also be designed as a bellows, with an inlet and an outlet.
  • the pillow is filled by means of the bellows when needed with ambient air.
  • the outlet of the bellows preferably via a connecting hose, is connected to the pillow to be inflated.
  • This elasticity can be achieved either by the material properties of the shell of the bellows, or by a corresponding preforming example. In the form of a ball od. Like., Or by a spring element, for example.
  • an inner compression spring which endeavors, opposing areas to push apart the shell of the bellows.
  • the latter could, for example, be designed as a spiral spring whose longitudinal axis is arranged approximately parallel or even concentric to the longitudinal axis of a bellows.
  • the pillow can serve a device which is designed as a preferably manually operable valve.
  • the valve When the valve is open, the volume of air filled with bellows or a bladder can escape again, the pillow relaxes and reduces its thickness, so that the head of a child can lean back more strongly, for example into a sleeping position.
  • an (at least limited) elastic nature of the cushion cover is advantageous.
  • the drain valve In order to keep a once set filling state of the pillow as constant as possible until its next adjustment, the drain valve should be self-holding at least in its closed position. This could be caused on the one hand by a manually operable locking option; However, to facilitate the operation, the invention provides that the manually operable valve is biased by a spring element in its closed position. After releasing the valve, this therefore returns immediately to its closed position; The contained filling medium is locked in and prevented from escaping until the next manual emptying.
  • a spring element can be designed as a pressure or tension spring which presses or pulls the valve body firmly into the valve seat.
  • the drain valve may have a push button, by the pressure of which it is opened.
  • This push button is coupled to the valve body or a spring acting thereon and lifts the valve body when actuated from the valve seat.
  • the valve can be connected to the pillow itself or to a supply line thereof, in particular at the outlet of the bellows or the bladder or downstream of a non-return valve arranged there.
  • the drain valve is part of the completely enclosed envelope of the cavity in the pillow. That is, one of its two terminals opens into the cavity of the pillow, which can also - partially - extend into a supply line, the other connection, however, not.
  • the second port of the valve opens into the open; in a self-contained system, it opens into the bladder, upstream of the check valve between the latter and the pillow, so that the medium can be pushed or pushed by the pillow into the bladder, bypassing the intervening check valve.
  • the invention further provides to integrate the manually operable valve with a check valve in the line to the pillow.
  • This integration can be either only to accommodate these two valves in the same housing, but with separate valve bodies and seats to design, or even in an integration of the two functions using a single valve body and associated valve seat.
  • valve assembly has three ports - one port leading to the bellows, one in the pillow and one in the open air. It would possibly still be conceivable to use a common valve body, but it requires at least several valve seats.
  • an actuating element of the device for filling the pad preferably an actuating element of the Blasebalgs, in particular the bladder, and / or an actuating element of the device for emptying the pad, preferably the drain valve, in particular a push button thereof, is arranged on the outside of the headrest or the backrest / are.
  • Figure 1 shows a child seat according to the invention for installation in a motor vehicle, still without fabric, in a perspective view obliquely from the front, the headrest is largely lowered.
  • Fig. 2 shows the child seat of Figure 1, also still without fabric, from a perspective obliquely from behind.
  • FIG. 4 shows an insert of the headrest according to FIG. 3 made of foamed material, seen from the rear, wherein the fixing band of the pillow can be seen; such as
  • Fig. 5 shows the use of the headrest of Fig. 4 with the attached pillow in a filled state.
  • the erfmdungssiee car child seat 1 has a seat 2 with attached armrests 3, attached to a tilt adjustable it Backrest 4 with lateral fuselage supports 5, and via an upwardly from the backrest 4 retractable headrest 6, also with lateral support areas on the type of earrests. 7
  • the headrest 6 is pulled far out of the backrest 4 for the sake of clarity.
  • the shaft 10 of the headrest 6 which is displaceable from a guide 11 on the back of the backrest 4.
  • Fixedly connected to this shaft 10 is the inherently rigid framework body 12 of the backrest 6, which forms the rear or outer side 13 of the headrest 6 and is approximately U-shaped in horizontal section corresponding to the structure of the headrest 6 with a central portion 14 and two earrests 7 ,
  • This insert body 15 also shows in horizontal section an approximately U-shaped structure with a central part 16 and two side parts 17. It can be seen in FIGS. 4 and 5 without the hard, supporting framework body 12.
  • the insert body 15 can be easily inserted into the framework body 12, for example. From the front or from above.
  • the insert body 14 has a greater thickness than the rigid, the structure of the headrest 6 defining scaffold body 12, for example. A thickness of 1 to 5 cm, while the skeleton body 12 itself preferably has a thickness of less than 1 cm, preferably even less than 5 mm.
  • the leading edges 18 of the side parts 17 of the insert body 15 have an even larger lateral extent; these cover in the assembled state, the leading edges of the rigid frame body 12 of the headrest 6, so that thrown up arms of the child or a flung back head are always softly intercepted.
  • the insert body 15 has in the region of the transitions from the side parts 17 to the middle part 16 via rear, lisen-like thickening 19, which in corresponding, trough or dipping groove-shaped depressions in the frame body 12. As a result, the insert body 14 receives the greatest possible lateral support relative to the framework body 12. Due to the rear, lisenenIndian thickening 19 could be a horizontal section through the insert body 14 even compare with an H.
  • the center portion 16 is very flat and extends predominantly transverse to the direction of travel. It is precisely this flat central part 16 is wrapped by a wide band 20, which has almost the same width as the central part 16 of the insert body 14 itself.
  • the band 20 is preferably made of a blank of a flexible, but little elastic plastic web. The length of this band is significantly greater than twice the height of the central part 16 of the insert 14, so that its ends 21, 22 overlap. These overlapping ends 21, 22 are fixed to each other, for example by welding or gluing.
  • a second layer 24 of the same material is placed and connected to a along the edge 25 of the trapezoidal region 23 gapless all-around weld 26 with the first layer 20.
  • weld seam sections 27 extend within the area bounded by the circumferential weld 26, preferably in several rows, for example horizontally. These weld sections 27 do not extend continuously between two opposite sections of the peripheral weld 26, but are each interrupted one or more times and / or end at a distance in front of the peripheral weld 26, so that the cavity 28 between the two layers 20, 24 and the marginal weld 26 of the inner weld sections 27 is not divided into a plurality of chambers.
  • the weld 26 extends over an inserted connector 29, which, for example. Has a lens-shaped varying thickness, for example. In the manner of a convex lens in one dimension or a
  • This connecting piece 29 has a passage opening extending along its longitudinal axis and is welded or glued in such a way that an opening of this opening in the cavity
  • a tube 30 is inserted and fixed, for example. Glued.
  • This tube 30 passes through a slot 31 of the insert body 14 from the inside to the outside and penetrates further from there, the rigid support or scaffold body 12th
  • the hose extends to a valve assembly 32 which is fixed to the finished child seat 1 on the outside of the headrest 6.
  • a bellows 33 is connected, which is also attached to the finished child seat 1 on the outside of the headrest 6.
  • 32 plug connections can be provided on the valve assembly.
  • the bellows 33 has the shape of a balloon made of an elastic material, for example. Rubber.
  • This balloon 33 is indeed compressible, but strives thanks to an appropriate Reformation and a sufficient thickness of several millimeters, for example. 3 to 5 millimeters, after its external relief always its approximately spherical, spindle or slightly cigar-shaped initial shape.
  • This balloon 33 has an inlet opening 34, but which is provided with a check valve, which allows only air in the balloon 33, but not even with internal overpressure. When the balloon 33 expands, it will therefore always suck in full air via the inlet opening 34. If the balloon 33 is now pressed together manually, the pressure in its interior increases; This opens a check valve in the valve assembly 32, and from the balloon 33 now air flows through the tube 30 into the cavity 28 between the two layers 24 of the plastic strip 20, which thereby inflates to a pillow 35, as in Fig. 5 see is. The welds 26, 27 prevent that this pillow 35 inflates too bulging, and ensure even when filled a flat shape similar to conventional fabric pillow.
  • a pushbutton on the valve assembly 32 is actuated; thereby opening an outlet or drain valve between the cavity 28 within the pillow 35 and the environment; escapes the air contained, the (limited) elasticity of the cushion cover and possibly a tension of the belt 20 supportive.
  • the pillow can either be completely or partially emptied. Is the pillow 35 completely empty, as shown in Fig. 3, the head position of the child is the flattest corresponding to a more reclined position or sleeping position.
  • the thickness of the head or air cushion 35 corresponds to about 1 to 2 mm per layer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Seats For Vehicles (AREA)

Abstract

L'invention concerne un siège pour enfant (1) pour véhicule automobile, destiné à être placé sur un siège du véhicule, comprenant une assise (2), un dossier (4), un appui-tête (6) et, le cas échéant, des appuis latéraux et/ou des accoudoirs, caractérisé en ce qu'il est prévu dans l'appui-tête (6), un oreiller gonflable (35) présentant un dispositif (33) pour le gonflage et un dispositif (32) pour le vidage de l'oreiller (35).
PCT/EP2007/005193 2007-06-13 2007-06-13 Siège pour enfant, destiné au transport d'un enfant dans un véhicule WO2008151646A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2007/005193 WO2008151646A1 (fr) 2007-06-13 2007-06-13 Siège pour enfant, destiné au transport d'un enfant dans un véhicule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2007/005193 WO2008151646A1 (fr) 2007-06-13 2007-06-13 Siège pour enfant, destiné au transport d'un enfant dans un véhicule

Publications (1)

Publication Number Publication Date
WO2008151646A1 true WO2008151646A1 (fr) 2008-12-18

Family

ID=38963071

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/005193 WO2008151646A1 (fr) 2007-06-13 2007-06-13 Siège pour enfant, destiné au transport d'un enfant dans un véhicule

Country Status (1)

Country Link
WO (1) WO2008151646A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2466030A (en) * 2008-12-08 2010-06-09 Gm Global Tech Operations Inc Inflatable head support for vehicles
GB2466490A (en) * 2008-12-23 2010-06-30 Carter-Johnson Matthew David F Inflatable car seat with sliding back panel

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9420870U1 (de) * 1994-12-29 1995-02-16 Köstermann, Ralf, Dipl.-Ing., 47441 Moers Kopfstütze mit seitlichem Kopfhalter an neuen Sitzen in Fahrzeugen und Flugzeugen
WO2001066380A1 (fr) * 2000-03-07 2001-09-13 James Reagan W Siege pour enfants
DE10136827C1 (de) * 2001-07-27 2003-01-23 Daimler Chrysler Ag Sitz mit aufblasbarer Kopfstütze

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9420870U1 (de) * 1994-12-29 1995-02-16 Köstermann, Ralf, Dipl.-Ing., 47441 Moers Kopfstütze mit seitlichem Kopfhalter an neuen Sitzen in Fahrzeugen und Flugzeugen
WO2001066380A1 (fr) * 2000-03-07 2001-09-13 James Reagan W Siege pour enfants
DE10136827C1 (de) * 2001-07-27 2003-01-23 Daimler Chrysler Ag Sitz mit aufblasbarer Kopfstütze

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2466030A (en) * 2008-12-08 2010-06-09 Gm Global Tech Operations Inc Inflatable head support for vehicles
GB2466030B (en) * 2008-12-08 2013-06-05 Gm Global Tech Operations Inc Inflatable device
GB2466490A (en) * 2008-12-23 2010-06-30 Carter-Johnson Matthew David F Inflatable car seat with sliding back panel
GB2466490B (en) * 2008-12-23 2013-07-17 Matthew David Frederick Carter-Johnson Portable inflatable car seat

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