EP2433522B1 - Corps de ressort en plastique, notamment pour l'utilisation dans des matelas en mousse ou latex ou analogues - Google Patents

Corps de ressort en plastique, notamment pour l'utilisation dans des matelas en mousse ou latex ou analogues Download PDF

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Publication number
EP2433522B1
EP2433522B1 EP20110007713 EP11007713A EP2433522B1 EP 2433522 B1 EP2433522 B1 EP 2433522B1 EP 20110007713 EP20110007713 EP 20110007713 EP 11007713 A EP11007713 A EP 11007713A EP 2433522 B1 EP2433522 B1 EP 2433522B1
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EP
European Patent Office
Prior art keywords
spring
elements
blocks
block
body according
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Not-in-force
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EP20110007713
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German (de)
English (en)
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EP2433522A1 (fr
Inventor
Helmut Ofner
Ingrid Elisabeth Erlbeck
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Individual
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/02—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using leaf springs, e.g. metal 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
    • A47C27/04—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays
    • A47C27/06—Spring inlays
    • A47C27/065—Spring inlays of special shape

Definitions

  • the invention relates to a spring body made of plastic, in particular for use in foam or latex mattresses or for seat cushions, upholstered furniture, automobile seats, aircraft seats and beds and for all seating and reclining furniture in air, water and land vehicles
  • the spring elements of the springs are composed of ring elements oval contour, the inner ring halves are adjacent to each other and are connected to each other in the region of the center.
  • the connection of the spring elements by means of a running in the center of the spring elements profile strip. It has been found in practice that these known springs are too unstable under load and tend to tilt sideways during compression. At higher load fractures of the spring elements are also possible.
  • Each spring block consists of individual mutually parallel spring elements, which occupy a mutual distance from one another and are held at a distance by a laterally adjoining the spring legs of the spring elements and firmly connected to this rod element.
  • the entire spring block gets a longitudinal rigidity and is not formed compressible in the direction of its longitudinal extent. If it is acted upon by compression forces in the axial direction, there is the risk that the longitudinally extending and all spring leg outside connecting rod breaks and thereby the spring action of the spring block is lost.
  • each spring element consists of an upper, approximately C-shaped, curved plastic band, which is connected in the middle region with a symmetrically adjoining lower, likewise C-shaped, curved plastic band. If such a spring block as intended subjected to compressive forces, there is the disadvantage that only a small spring action is given, because this is achieved only by the bent leaf spring-like sections of each C-shaped spring.
  • a plastic mattress spring which consists of a spring body with upper and lower support surfaces and spring elements arranged therebetween.
  • the spring has the form of a tubular, extruded extruded profile whose outer shell forms all spring components.
  • the execution as a tubular extruded profile should allow a cost-effective production of the mattress spring, wherein the spring with a relative to the material used relatively large contact surface and large volume can be performed. However, it lacks the small area support of a body contour lying on it.
  • a spring block shown by the older law could not be cut to any length, for example, to shorten the spring body in its effective length and thereby create a conical mattress body, as it is required at Bugbetten in watercraft.
  • Another disadvantage of the older law was that in the action of front impact loads on the spring body As already stated above - the continuous, the outside fixing of the individual spring elements serving rod broke off, in which case the respective spring element could tilt freely.
  • each of the frontally arranged spring elements was unprotected, whereby this spring element could break itself or in extreme cases had pushed through the cushion body or through the cover.
  • the GB 16809 A discloses a spring body, in particular for use in foam or latex mattresses or for seat cushions, upholstered furniture, automobile seats, aircraft seats and beds, as well as for all seating and reclining furniture in air, water and land vehicles, consisting of at least one spring block, the a number of parallel and mutually spaced spring elements consists, of which each spring element consists of band-shaped, multi-folded springs which are at least partially connected to each other, wherein on the installation space facing front side of the spring block a final spring is arranged as a shock absorber.
  • EP 1 878 363 A1 is a spring construction for mattresses disclosed that consists of plastic.
  • the invention has the object of providing a mattress body with plastic springs of the type mentioned in such a way that an improved resilience with securing the individual spring elements is guaranteed against tilting and that the spring elements are well protected against shock and shear loads and optimally adapt to the body contour without tilting.
  • the invention is characterized by the technical teaching of claim 1.
  • the spring block consisting of individual parallel and spaced-apart spring elements now has an end-side closing element, which is positively connected to the front side arranged spring elements of the spring block and having an elastic suspension behavior.
  • connection of individual spring blocks with each other by a connecting element which positively connects the adjacent spring blocks together and receives a resiliently directed in the axial direction of the spring blocks thrust.
  • shock absorber which is designed as a connecting element and the resilient axial forces acting on the spring blocks elastically absorbs, so as the spring elements of the respective Spring block and especially the connections between the spring elements to protect against breakage in the action of axial shear forces.
  • the essential advantage is achieved that now spring blocks of different materials and different spring hardness can be easily connected to each other by the connecting element according to the invention, which positively connects the abutting spring elements associated with each other and to be interconnected spring blocks.
  • the connecting element is positively connected to the central spring legs of the abutting spring elements, so that the action of axially directed impact forces elastically dodge the middle spring coils and thereby shock forces are absorbed.
  • the positive connection of the connecting element is effected by a latching connection, which preferably attaches to the central spring portion of the respective spring element.
  • the locking connection can also be replaced by other releasable connecting elements, such as a screw connection, a rivet connection or a latching tab connection.
  • connection of individual spring blocks serving connecting element it is preferred if the connecting element is not elastically resilient itself in the axial direction, but rigidly propagates in the axial direction of impact forces between the middle spring legs of the abutting spring elements of mutually associated spring blocks ,
  • the connecting element according to the invention is itself formed elastically resilient in the axial direction.
  • Such axial suspension can be achieved, for example, by cross-section weakening slots, by arcuate spring sections or the like.
  • connection between the connecting element and the central spring legs of the associated spring elements is releasable and just - as stated above - preferably consists of a latching connection.
  • the invention is not limited thereto. It can also be provided material bonds, such. As a bond or welding.
  • the connecting element is essential that it does not affect the spring behavior of the interconnected end-side spring elements substantially dimensions.
  • the connecting element is formed so to speak as a "small spring element” and in the shaping also has a circumferential, approximately oval cross section, which thus forms an upper bent and a lower bent spring element and this cross-section is closed in itself.
  • the connecting portion takes part in the intended deflection of the spring block at pressure load by the body lying on it.
  • the respective outer end faces of the interconnected spring blocks final closure element has the task of forming a rounded stop surface to avoid that at the front side acting shock loads, the individual faces of the spring elements of the outer spring elements work through the cover or mattress body.
  • the end face of the outer spring elements are covered by a plurality of releasably connected spring blocks by a closure element, this closure element is preferably also releasably connected to one or more of the end-side spring elements of each outer spring block.
  • this terminating element - as well as the previously described connecting element - is able to absorb axial shock loads elastically resilient to avoid unwanted damage to the respective end face arranged spring legs of the end-side spring element.
  • Axial shock loads are therefore absorbed by the inventive end element elastically resilient and thereby damped.
  • the arrangement of an end-side end element also has the further advantage that thus the spring action of the outer (frontal) spring elements is amplified, which is particularly pleasant for seating furniture perceived. Namely, if the front edge of the seat in the popliteal region is equipped with a stronger spring action than comparatively in the rest of the seating area, the thigh is effectively supported. An undesirable tilting of the body sitting on it is thus avoided.
  • the end element according to the invention thus provides for a greater spring stiffness of the thus-equipped profile body in the end face region.
  • the closing element participates in the spring action of the spring elements of the spring block and is adapted to the shape of the spring elements.
  • the spring legs of the spring elements engage over the associated spring legs of the closing element, so that it comes in the front side region to a doubling of spring legs lying on each other.
  • the spring action is maintained in the end face area, and this a greater spring stiffness is achieved as it is desirable to support the knees in a sitting position on a chair.
  • FIG. 1 is generally a spring block 1 is shown, which consists of a total of 8 individual spring elements 3, which are arranged parallel to each other and at a mutual distance and end connected by an all spring elements sweeping rod member together and kept at a distance be, this rod element is referred to as connecting web 29 later.
  • a spring block 1 can be detachably connected via the inventively provided connecting element 15 with another spring block 2 the same (or different) training as the spring block 1 and that in this connection region elastic shock and displacement forces are absorbed, in the direction of the longitudinal extent of the connecting web 29 and thus in the direction of the axial longitudinal extent of the spring blocks 1, 2 act.
  • the frontal end of the outer spring elements 3 of the respective spring block 1, 2 is effected by the end element 7 according to the invention, which will be explained later with reference to the other figures.
  • FIG. 4 shows the installation position of the end-side end element 7, from which it can be seen that the spring legs 4, 5, 6 of the spring elements 3, the associated and identically formed spring legs 33, 34, 35 ( Fig. 6 ) of the closing element 7 overlap, so that in the front side region of the respective spring block 1, 2, a doubling of the adjoining spring legs 4, 5, 6 to the spring legs 33, 34, 35 of the closing element 7 comes.
  • Each spring element 3 of the spring block 1, 2 consists of the in FIG. 4 illustrated contour, and this is an upper, bent spring leg 4, in its apex region a support surface 8, the after FIG. 1 preferably formed approximately circular in the surface is enlarged in order to allow a rough point of attack in the direction of arrow 16 intended by the human body on the spring block 1 introduced forces.
  • the spring element 3 also has a symmetrical, lower support surface 9, which, however, does not necessarily have to be widened in the manner of a plate, as in the case of the support surface FIG. 2 is shown. It can also have a different shape.
  • This plate-shaped widening (bearing surface 9) ensures the absorption of obliquely from above acting forces and prevents unwanted tilting of the respective spring element.
  • FIG. 3 shows that the closing element according to the invention 7 bridges a total of two end arranged spring elements 3, wherein a latching connection with two juxtaposed spring elements 3 according to FIG. 3 will be received.
  • this latching connection is formed resiliently in the direction of arrow 27 to receive compressive forces acting in the direction of arrow 26, without forwarding them to the breakage-prone connecting webs 29.
  • the invention provides that in the region of the middle spring legs of the closing element 7 according to FIG. 2 cross-section-weakening transverse slots 36 are arranged, which the material of the local spring leg 33 and / or 33a (see FIG. 10 ) enforce and form a complete recess, which is therefore elastically variable in their effective distance.
  • FIG. 3 shows further that a latching connection of the closing element 7 takes place only with the first spring element 3, wherein according to FIG. 8 in the region of the spring leg 33 of the closing element 7 two adjacent locking lugs 45 are arranged, which are arranged opposite stops 46 on the end element.
  • Centering lugs 41 which center on the associated elements of spring leg 4 - 6 of spring element 3 guided along there, also serve to produce the latching connection.
  • a second spring leg 33a is integrally formed on the first spring leg 33 of the closing element 7, on which only centering 41 are arranged, which cooperate with the associated surfaces of the spring leg 4-6 of the respective spring element 3.
  • only a straight guide and a centering of the closing element 7 are achieved at the second inwardly located spring element 3, as in FIG. 3 is shown.
  • FIG. 6 shows that the upper and lower spring legs 33 and 35 each have a thinned in the material transition, which therefore each forms a recess 43.
  • the thinned in the material cross-section is referred to as connecting portion 37.
  • FIG. 1 (right representation) engages in this connecting portion of the respective support plate 25 of the outermost, the frontally arranged spring element 3 a.
  • FIG. 3 shows that the closing element 7 axially over each last (in FIG. 3 Right) spring element 3 protrudes and there has rounded stop surfaces 24.
  • a compressive force acting in the direction of arrow 26 initially acts on the end face and the rounded abutment surfaces 24 of the end element 7 and is resiliently received by this.
  • FIG. 3 it's off, by the way FIG. 3 can be seen that the respective end-side outermost spring element 3 of a spring block 1, 2 is releasably connected by means of a latching connection with the closing element 7.
  • the latching connection is formed by two mutually spaced, mutually parallel latching lugs 45 which form between them the latching play 47 in conjunction with a front stop 46.
  • the two spring legs 33, 33a are separated by the connecting portions 42, between which associated free spaces 48 (recesses) are arranged.
  • FIG. 8 It can also be seen that when the left and right on the front end side and the arranged there, rounded abutment surfaces 24 acting compression force 26 the end element 7 acts, the transverse slots 36 are resiliently compressed and thus the compression force is not transmitted to the end face of the spring block 1, 2. This results in an elastically resilient shock absorber for the end face of the respective spring block 1, 2, which is formed from the end element 7.
  • connecting element 15 for connecting a plurality of spring blocks 1, 2 arranged serially one behind the other is described in more detail below.
  • Such a connecting element 15 can be particularly well from the FIGS. 1 . 3 . 4 . 5 and the FIGS. 11 to 14 remove.
  • the connecting element consists of a mirror-symmetrical part, which according to the FIGS. 11 to 14 consists of an arcuate, self-contained spring leg 22 which is approximately oval (see FIG. 12 ), wherein on the upper and lower sides of the arcuate, the self-contained spring leg 22 respectively top and bottom parallel securing webs 49 are arranged, which are aligned in the axial direction parallel to the longitudinal direction of the spring block 1, 2.
  • spring bow 50 At a distance from the parallel and mutually spaced pin-shaped securing webs 49 are spring bow 50, which are formed approximately U-shaped and horizontal connecting members (see FIG. 11 ) material integral with the securing webs 49 are connected.
  • the connecting element 15 is consequently a material-integral plastic part.
  • stops 53 are arranged.
  • the latching with the associated central parts of the spring elements 3 takes place in that the respective spring leg of the spring element (according to FIG FIG. 11 in the vertical direction - arrow 55) is inserted from above or below in the latching chamber 54, which is in the space between the Inside the respective securing web 49 and the outside of the spring bow 50 forms.
  • locking lugs 51 are laterally formed so that upon insertion of the respective middle spring leg of the spring element 3 in the arrow directions 55 of the latching chamber 54 opens, because the inserted in the direction of arrow 55 spring legs push the locking lugs 51 resiliently aside and then snap behind the locking lugs 51 so that they come to the stops 53 to the plant.
  • the arcuate downward in the free space of the connecting element according to FIG. 12 in projecting elements are therefore stop elements 52 for the stop limit (overload protection at pressure from the direction of arrow 28 -. Fig. 12 ).
  • the connecting element is thus form-fitting, latching and secured in accordance with FIG. 4 is connected to the middle spring legs of the spring element 3.
  • FIG. 14 This is good too FIG. 14 to recognize where at the same time is shown that the connecting element 15 for serial connection of two successive spring blocks 1, 2 takes part in the resilience of the spring elements 3, because the connecting element 15 also has an oval spring leg 22 which is self-contained and upon impact a body-related deflection supports the resilience of the spring element 3.
  • the stop element 52 is formed by a connecting portion 23 in the region of the connecting element 15.
  • a frontal release 40 is arranged.
  • the plastic springs according to the present invention consisting of a plurality of successively arranged spring blocks 1, 2 are separated at any point, so that the spring elements 3, for example, the spring block 1 or 2 can be cut at any point.
  • the spring elements 3 of a spring block 1, 2 is thus the effective length of the interconnected via the connecting elements 15 latching spring blocks 1, 2 shortened.
  • conical lying surfaces or seats can be formed, wherein at the point where the respective outer spring element 3 is, now latching the end element according to the invention 7 pushed from the outside and with the outermost, end-side spring element 3 of the respective spring block 1, second is locked.
  • the final element 7 according to the invention is characterized in that it is in its spring action the spring elements 3 of the respective spring block 1, 2 simulated and positively applied to the spring legs 4, 5, 6 of the respective spring element 3 and at least a part of a spring element. 3 is locked.
  • the same also applies to the connecting element 15 according to the invention, which according to FIG. 1 and 3 longitudinally adjoining spring blocks 1, 2 lockingly connects to each other and under the influence of compression forces 26 (see FIG. 3 ) this on the latching connection in the latching spaces 54 recorded mean spring coils of the spring elements 3 transmits to these spring coils, so that these laterally (in the axial direction of the spring block 1, 2) resiliently dodge and tilt and thereby also the compression forces acting in the axial direction 26 elastically resilient be absorbed without being transferred as a breaking load on the outer sides of the spring legs of the spring elements 3.
  • the connecting element 15 is not rigid in the axial direction, but is resilient in the axial direction, in this way to absorb the compression forces 26 itself, without them on the middle parts of the spring leg 5 (see FIG. 4 ) To transmit and as an impact force, the connecting portions 13, 14 elastically resiliently deform in the axial direction.
  • FIG. 15 shows, as a further, modified embodiment, that it is not necessary for the purposes of the present invention, each spring element 3 of the respective spring block 1, 2 with a total of three spring legs 4, 5, 6 to design.
  • such a spring element 3 consists only of two spring legs, for example, only from the spring legs 4, 6, which merge directly and material ein publishedein each other and the middle spring leg 5 deleted in this case.
  • the shape of the end element according to the invention 7 and the connecting element 15 would be adapted to the two existing spring legs 4, 6, to ensure that the final element according to the invention 7 positively connected to the two spring legs 4, 6 and into the interior of the spring element can be inserted and positively applied to the spring legs 4, 6.
  • spring blocks with spring elements consisting of 1, 2, 3, 4 or 5 spring legs are used.
  • the invention is not directed to the nature and design of the spring elements 3 of a spring block 1, 2, but that intercepting the end forces acting compression forces a closing element 7 can be snapped onto the respective outermost spring element 3, which in itself axial direction is resilient, and further, the invention is directed to that any number of successive spring blocks 1, 2 via an inventive connecting element 15th latching with each other are connected, said connecting element 15 is formed as a shock absorber.
  • C-shaped profiled spring legs 4-6 instead of using in the end view C-shaped profiled spring legs 4-6 also other profile shapes can be used, such. oval spring legs or multi-bent spring legs.
  • the spring blocks 1, 2 should be made of a resilient, stiff (high modulus of elasticity) material, e.g. from a plastic material from the group of polyamides.
  • the closing element 7 and the connecting element 15 are preferably made of an elastic, soft material (low modulus of elasticity), such as. B. a plastic TPE.

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  • Springs (AREA)

Claims (7)

  1. Corps à ressort en matière plastique, notamment pour une utilisation dans des matelas en mousse ou en latex ou pour des coussins de siège, des meubles rembourrés, des sièges de voiture, des sièges et couchettes d'avion, et pour tous les sièges et meubles de repos dans les aéronefs, les bateaux et les véhicules terrestres, composé d'au moins un bloc à ressort (1, 2) composé d'un certain nombre d'éléments à ressort (3) qui sont parallèles et espacés les uns des autres et qui sont composés chacun de ressorts en matière plastique en forme de bandes, pliés plusieurs fois et reliés au moins en partie entre eux, caractérisé en ce qu'un amortisseur (7 ; 15) est disposé sur le côté frontal du bloc à ressort (1, 2) dirigé vers l'espace de montage, et/ou entre les blocs à ressort (1, 2) individuels,
    étant précisé que l'amortisseur, dans la zone frontale, est conçu comme un élément terminal (7) qui est relié par complémentarité de forme à au moins un élément à ressort (3) disposé sur ce côté frontal, qui prolonge cet élément à ressort (3) au-delà de son côté frontal, dans le sens axial, et qui forme à cet endroit des surfaces de butée (24),
    ou que l'amortisseur, entre les blocs à ressort (1, 2), est conçu comme un élément de liaison (15) qui relie par complémentarité de forme les blocs à ressort (1, 2) voisins et reçoit élastiquement une force de cisaillement dirigée dans le sens axial des blocs à ressort (1, 2).
  2. Corps à ressort selon la revendication 1, caractérisé en ce que l'élément terminal (7) et/ou l'élément de liaison (15) participent à l'action de ressort des éléments à ressort (3) du bloc à ressort (1, 2) et déploient eux-mêmes une action de ressort.
  3. Corps à ressort selon l'une des revendications 1 ou 2, caractérisé en ce que l'élément terminal (7) et/ou l'élément de liaison (15) sont adaptés par complémentarité de forme à la configuration de l'élément à ressort (3) qui leur est relié.
  4. Corps à ressort selon l'une au moins des revendications 1 à 3, caractérisé en ce que l'élément terminal (7) et/ou l'élément de liaison (15) sont reliés chacun de manière amovible, grâce à une liaison par enclenchement, à l'élément à ressort (3) correspondant.
  5. Corps à ressort selon l'une au moins des revendications 1 à 4, caractérisé en ce que chaque élément à ressort (3) se compose de plusieurs branches à ressort (4, 5, 6) à profil à peu près en C qui sont réalisées d'une seule pièce et qui sont reliées en accordéon.
  6. Corps à ressort selon l'une au moins des revendications 1 à 5, caractérisé en ce que l'élément à ressort (3) ne présente pas d'éléments de montage dans sa zone centrale.
  7. Corps à ressort selon l'une au moins des revendications 1 à 9, caractérisé en ce que l'élément à ressort (3) comporte au moins dans la zone de sa branche à ressort supérieure (4 ou 6) une zone centrale (surface d'appui 8) agrandie en forme de disque.
EP20110007713 2010-09-23 2011-09-22 Corps de ressort en plastique, notamment pour l'utilisation dans des matelas en mousse ou latex ou analogues Not-in-force EP2433522B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT15912010A AT509316B1 (de) 2010-09-23 2010-09-23 Federkörper aus kunststoff, insbesondere zur verwendung in schaumstoff- oder latexmatratzen oder dergleichen

Publications (2)

Publication Number Publication Date
EP2433522A1 EP2433522A1 (fr) 2012-03-28
EP2433522B1 true EP2433522B1 (fr) 2013-05-01

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AT (1) AT509316B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9221374B2 (en) 2013-09-27 2015-12-29 Ford Global Technologies, Llc Ventilated foam spring with twisting action for vehicle seat
DE102021100572A1 (de) 2021-01-13 2022-07-14 Happersberger Otopront Gmbh Beleuchtungsvorrichtung für ein Endoskopiesystem und Endoskopiesystem mit einer Beleuchtungsvorrichtung

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012102346U1 (de) 2012-06-26 2013-10-01 Rüdiger Baretti Matratze für Sitz- und/oder Liegemöbel, insbesondere für Betten
KR102070175B1 (ko) 2015-06-05 2020-01-28 실리 테크놀로지 엘엘씨 비선형 스프링과 이를 포함하는 매트리스
CN107569000B (zh) * 2017-10-12 2023-08-25 南京理工大学 一种模块化可独立调节的弹簧床架

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191116809A (en) * 1911-07-21 1912-03-21 Fritz Zingg An Improvement in Spring Upholstery.
US2302479A (en) * 1941-03-17 1942-11-17 Flexsteel Spring Corp Spring structure
SE531706C2 (sv) * 2005-10-27 2009-07-14 Wranne Faahraeus Design Ab Säng innefattande lameller
ITMI20061360A1 (it) * 2006-07-13 2008-01-14 Valentino Fossati Struttura di molleggio particolarmente per la realizzazione di materassi e simili
AT10826U1 (de) * 2008-05-07 2009-11-15 Erlbeck Ingrid Elisabeth Matratzenkírper aus schaumstoff oder latex
DE202008009628U1 (de) * 2008-07-17 2008-10-09 Hartmann, Siegbert Endpunktlager für Lattenenden eines Lattenrostes
DE202009003041U1 (de) * 2009-03-06 2009-05-28 Hartmann, Siegbert Matratzenfeder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9221374B2 (en) 2013-09-27 2015-12-29 Ford Global Technologies, Llc Ventilated foam spring with twisting action for vehicle seat
DE102021100572A1 (de) 2021-01-13 2022-07-14 Happersberger Otopront Gmbh Beleuchtungsvorrichtung für ein Endoskopiesystem und Endoskopiesystem mit einer Beleuchtungsvorrichtung
WO2022152432A1 (fr) 2021-01-13 2022-07-21 Happersberger Otopront Gmbh Dispositif d'éclairage pour un système d'endoscopie et système d'endoscopie muni d'un dispositif d'éclairage

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AT509316A4 (de) 2011-08-15
AT509316B1 (de) 2011-08-15

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