EP0146092B1 - Inflatable or inflated seat cushion - Google Patents
Inflatable or inflated seat cushion Download PDFInfo
- Publication number
- EP0146092B1 EP0146092B1 EP84114945A EP84114945A EP0146092B1 EP 0146092 B1 EP0146092 B1 EP 0146092B1 EP 84114945 A EP84114945 A EP 84114945A EP 84114945 A EP84114945 A EP 84114945A EP 0146092 B1 EP0146092 B1 EP 0146092B1
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- European Patent Office
- Prior art keywords
- seat cushion
- chambers
- inflatable
- seat
- chamber
- 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.)
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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
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
- A47C7/021—Detachable or loose seat cushions
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
- A63B2225/62—Inflatable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S297/00—Chairs and seats
- Y10S297/03—Pneumatic
Definitions
- the invention relates to an inflatable seat cushion made of bendable material with several successively arranged and communicating chambers, which are divided by grooves and have decreasing heights.
- the design is such that the most stable seating position possible is achieved; H. that you combine a stable seating position with a pleasant, soft sitting feeling.
- the seat cushion is divided in a grid-like manner into several, in particular four, rows and four vertical columns, i.e. a total of sixteen individual chambers, which communicate with one another in order to shift the weight of the person sitting on it to effect appropriate redistribution of air. It is crucial, however, and this is also achieved by the large number of chambers, that a stable sitting position is achieved.
- a stable seating position also results in an inflatable armchair according to French patent application 20 85 431, in which an inflatable cushion is surrounded by a thicker ring cushion, which thus forms a raised edge, as the seat surface, and in addition a U-shaped inflatable cushion that can be folded over the seat Armrest ring is provided.
- a stable seating position is also urgently required in the case of an air cushion, in particular for motor vehicle seats, in accordance with German patent specification 644948, since a stable, non-slip seating position is particularly important for motor vehicle seats.
- it is provided in the seat cushion there that it increases in thickness from the front, so that the body is prevented from slipping forward as the surface of this seat cushion rises.
- the invention is based on the fact that all of these known inflatable seat cushions, regardless of the material-related beaded shape of their chambers, generally place value on a seat surface that is parallel to or underneath the base, with all of these seat cushions primarily being padded against a hard surface and one protective shield against damp and / or cold contact surfaces arrives through the seat cushion.
- the invention is directed toward the formation of a seat cushion designed according to medical-orthopedic aspects for the prevention and treatment of poor posture and postural damage, taking into account essential newly-recognized relationships which have so far been neglected in the relevant scientific studies.
- the starting point of the considerations is the fact that after long-lasting walking the symptoms of fatigue do not occur, which, in conventional sitting, require support of the spine to relieve the strain after a relatively short time.
- Analysis of the rhythmic walking process shows that the unstable equilibrium is stabilized without great effort by shifting the center of gravity by means of compensatory movements in the lower pelvic and lumbar region. Due to the largely rigid fixation of the conventional way of sitting, this relieving movement is considerably restricted and «unnatural» movement patterns, incorrect postures and the resulting incorrect loads are forced. Painful tension in the shoulder, neck, lumbar, pelvic and hip region with damage to the musculoskeletal system that cause structural disorders occurs early; Spine and joint damage are favored in the long run.
- the invention is therefore based on the object of developing a seat cushion of the type mentioned in such a way that primarily the free movements in the lower pelvic and lumbar region are promoted, which are decisive for stabilizing the unstable equilibrium position during walking.
- the invention provides that two chambers are provided, the groove of which serves to support the seat bumps of the pelvic bones and the height of the groove is lower than the maximum height of the rear chamber and lower than the maximum height of the front chamber, the maximum The height of the rear chamber is greater than the maximum height of the front chamber.
- the inventive design creates a seat cushion in a very flexible form (unstable air cushion), which is suitable to bring the pelvis into the correct position as a rest starting position, since the usual more slumped sitting position with a round back with such an unstable seat cushion is just not possible.
- the position assumed due to the instability of the seat cushion according to the invention favors the natural upright posture of the spine, which is characterized, inter alia, by a slight curvature of the lumbar spine from (physiological lumbar lordosis). Only with this healthy sitting posture can breathing proceed unhindered, which results in improved diaphragm function with free development of the ribs and lungs.
- the subdivision into two successively arranged chambers with a correspondingly designed groove between these chambers initially causes the user of the cushion to sit down in such a way that the seat bones of the pelvic bones find their place in the area of the groove between the two chambers lying one behind the other.
- the raised rear chamber favors the desired pelvic position.
- the groove serves as a particularly suitable area of rotation, which, in contrast to the rigid seat surface, allows the pelvis to tilt, stand up and sideways, as well as the associated changes in position of the spine and center of gravity, without hindrance and without great effort. Due to the deformability of the seat cushion, which also depends on the degree of filling, limited parallel displacements of the seat surface against the inflation surface are possible in all directions, which increases the freedom of movement.
- the load Due to the free movement in the pelvic and lumbar region around the rest starting position, the load can be permanently shifted as when walking upright, so that there is no permanent damage and associated fatigue, which generally require the back to be supported when sitting conventionally. Of course, it does not have to be dispensed with if it also takes a back seat due to the strengthening of the spinal or core muscles.
- the continuous shifting of the load points which occurs through minimal movement impulses, promotes circulation and metabolism in the intervertebral disc tissue through the suction and pumping action that occurs and also counteracts degenerative changes in the intervertebral discs.
- the range of motion that can be achieved with the seat cushion according to the invention is greater than in walking with regard to the extent of the motion and the ease of carrying out motion impulses.
- the associated greater instability of the equilibrium position when sitting brings further advantages.
- Already slightly leaving the unstable equilibrium position counter impulses occur early to prevent tipping over, which restore the ideal starting position with little effort, thus avoiding the long-term poor or unfavorable posture, as is the case with conventional sitting on a rigid seat surface, but also on the hitherto developed and common seat cushion is the rule.
- An existing false statics or pathological curvature of the spine is consistently counteracted with a seat cushion of the type according to the invention. Large leverage forces with harmful compression and shear effects between the vertebral bodies are avoided, favorable movement patterns are permanently imprinted.
- the seat cushion according to the invention is able to make a significant contribution to the prevention and treatment of damage to the spine and joints as a result of recurrent incorrect loads and forced postures in the conventional sitting position, which favors unnatural and damaging movements, above all due to the rigid fixation of the pelvis.
- a seat cushion according to the invention can also be designed in such a way that the chambers are arranged around one another in a U-shape with the U opening facing forward.
- FIG. 1 shows the desired sitting position with the aid of the seat cushion 3 according to the invention resting on the seat 1 of a chair 2.
- this seat cushion 3 consists of two chambers 4 and 5, which communicate with one another and, in a known manner, have a valve for inflating with a gas, generally with air.
- the different degree of filling of the two chambers 4 and 5 has an influence on the range of motion and pelvic position.
- the two chambers 4 and 5 communicate with each other.
- the rear chamber 4 has a length v and a maximum height w. This decreases to the front of the seat cushion 3, d. H. in the direction of the adjacent chamber 5 to the lower height x, which is slightly exceeded by the greatest height of the front chamber 5, the height of which decreases from approximately to the dimension y.
- the height x is in the unloaded, fully inflated state of the seat cushion in the current version - as is generally the case - limited by the height of a web connecting the transverse groove on the top and bottom, which can have several vertical interruptions.
- the length z of the front chamber 5 is less than the length v of the rear chamber 4, which is also higher.
- the seat surface 6 forms, as it were, an inclined plane, which, however, has the transverse groove 7 separating the two chambers 4 and 5. Possibly.
- the chambers 4 and 5 can also have one or more longitudinal grooves 8, which are indicated to a greater or lesser extent and which, since they are only alternative, are only indicated by dashed lines.
- the chambers 4 and 5 in the cushion according to FIG. 3 take a generally U-shaped course with the U opening facing away.
- the outer chamber 4 is again higher towards the rear and towards the outside, and its height increases towards the front, i. H. to the front or inner chamber 5 from steadily.
- the width v of the rear chamber 4 is greater than the width z of the front or inner chamber 5.
- the chamber 4 is guided in an arc around the chamber 5, FIG. 3 revealing that also the difference in the widths v and z of the chambers 4 and 5 up to the front end at the front edge 10 of the seat cushion 3 is remarkable.
- the space 11 within the U-shaped chamber 5 can only be covered by a material web. However, it can also consist of a further chamber 12, which in turn is lower than the adjacent chamber 5. This is shown in FIG. 4. 9 denotes the web wall for dividing the individual chambers, while 14 openings are indicated, which enable communicating air exchange between the chambers. Instead of the web wall 9, the top layer and base layer of the cushion could of course also be directly connected to one another by a weld seam that does not extend over the entire width.
Abstract
Description
Die Erfindung richtet sich auf ein aufblasbares Sitzkissen aus biegbarem Werkstoff mit mehreren hintereinander angeordneten und miteinander kommunizierenden Kammern, die durch Nuten unterteilt sind und abnehmende Höhen aufweisen.The invention relates to an inflatable seat cushion made of bendable material with several successively arranged and communicating chambers, which are divided by grooves and have decreasing heights.
Bei einem derartigen aus der deutschen Gebrauchsmusterschrift 19 17 505 bekanntgewordenen aufblasbaren Sitzkissen ist die Ausbildung so getroffen, daß eine möglichst stabile Sitzposition erreicht wird, d. h. daß man eine möglichst stabile Sitzposition mit einem angenehmen weichen Sitzgefühl kombiniert. Zu diesem Zweck ist in der vorerwähnten Gebrauchsmusterschrift vorgesehen, daß das Sitzkissen rasterartig in mehrere, im speziellen Fall vier, Reihen und dazu senkrechte vier Spalten, also in insgesamt sechzehn Einzelkammem unterteilt ist, die miteinander kommunizieren, um bei einer Gewichtsverlagerung der darauf sitzenden Person eine entsprechende Umverteilung der Luft zu bewirken. Entscheidend ist aber, und dies wird durch die Vielzahl der Kammern auch erreicht, daß eine stabile Sitzposition erzielt wird. Entsprechendes gilt auch für aufblasbare Sitzpolster, wie sie in der deutschen Offenlegungsschrift 23 28 124 vorgesehen worden sind, wobei die dort vorgesehenen vielen wiederum rasterförmig verteilten Einzelkammem einzeln über eine Pumpe und in die Verbindungsleitungen eingeschaltete Ventile je "nach den Bedürfnissen mehr oder weniger aufgepumpt werden können. Auch hier geht es aber wesentlich darum, eine stabile sitzposition zu erreichen, da auf Seite 3, 1. Abs. vor der Formulierung der Aufgabenstellung als besonders nachteilig im Stand der Technik angesprochen wird, daß dort « ...bei geringfügig veränderter Körperhaltung ... das Becken wiederum labil wird und die Rückenstreckmuskulatur zur Fixierung des Beckens bzw. zur statischen Haltearbeit wieder voll angespannt werden muß (vergleiche DE-AS 12 96 761) ».In such an inflatable seat cushion, which has become known from German utility model 19 17 505, the design is such that the most stable seating position possible is achieved; H. that you combine a stable seating position with a pleasant, soft sitting feeling. For this purpose, it is provided in the aforementioned utility model that the seat cushion is divided in a grid-like manner into several, in particular four, rows and four vertical columns, i.e. a total of sixteen individual chambers, which communicate with one another in order to shift the weight of the person sitting on it to effect appropriate redistribution of air. It is crucial, however, and this is also achieved by the large number of chambers, that a stable sitting position is achieved. The same also applies to inflatable seat cushions, such as were provided in German Offenlegungsschrift 23 28 124, the many individual chambers, which are again distributed in a grid-like manner, being able to be inflated more or less depending on the needs, individually via a pump and valves switched on in the connecting lines Here, too, it is essential to achieve a stable sitting position, since on
Eine stabile Sitzposition ergibt sich auch bei einem aufblasbaren Sessel gemäß der französischen Patentanmeldung 20 85 431, bei der ein aufblasbares Kissen von einem dickeren, somit einen erhöhten Rand bildenden Ringkissen als Sitzfläche umgeben ist und wobei zusätzlich ein U-förmiger, über den Sitz klappbarer aufblasbarer Armlehnenring vorgesehen ist.A stable seating position also results in an inflatable armchair according to French patent application 20 85 431, in which an inflatable cushion is surrounded by a thicker ring cushion, which thus forms a raised edge, as the seat surface, and in addition a U-shaped inflatable cushion that can be folded over the seat Armrest ring is provided.
Eine stabile Sitzposition ist schließlich auch bei einem Luftkissen, insbesondere für Kraftfahrzeugsitze, gemäß der deutschen Patentschrift 644948 dringend geboten, da ja bei Kraftfahrzeugsitzen es ganz besonders auf eine stabile verrutschfreie Sitzposition ankommt. Zu diesem Zweck ist bei dem dortigen Sitzkissen ja auch vorgesehen, daß es nach vome in der Dicke zunimmt, so daß durch das Ansteigen der Oberfläche dieses Sitzkissens ein Nach-vorne-Rutschen des Körpers verhindert wird.Finally, a stable seating position is also urgently required in the case of an air cushion, in particular for motor vehicle seats, in accordance with German patent specification 644948, since a stable, non-slip seating position is particularly important for motor vehicle seats. For this purpose, it is provided in the seat cushion there that it increases in thickness from the front, so that the body is prevented from slipping forward as the surface of this seat cushion rises.
Die Erfindung geht davon aus, daß all diese bekannten aufblasbaren Sitzkissen ungeachtet der materialbedingten wulstigen Form ihrer Kammern im allgemeinen auf eine zur Unterlage parallele oder nach vomehin ansteigende Sitzfläche Wert legen, wobei es bei all diesen Sitzkissen vornehmlich auf eine Polsterung gegenüber einer harten Unterlage und eine schützende Abschirmung gegenüber feuchten und/oder kalten Auflageflächen durch das Sitzkissen ankommt. Die Erfindung richtet sich hingegen auf die Ausbildung eines nach medizinisch-orthopädischen Gesichtspunkten gestalteten Sitzkissenes zur Vorbeugung und Behandlung von Haltungsschwächen und Haltungsschäden, wobei wesentliche neuerkannte Zusammenhänge, die in den einschlägigen wissenschaftlichen Untersuchungen bisher unbeachtet blieben, Berücksichtigung finden. Ausgangspunkt der Überlegungen ist die Tatsache, daß nach langanhaltendem Gehen nicht die Ermüdungserscheinungen auftreten, die beim herkömmlichen Sitzen schon nach relativ kurzer Zeit eine Abstützung der Wirbelsäule zur Entlastung erforderlich machen. Bei der Analyse des rhythmisch ablaufenden Gehvorgangs zeigt sich, daß die Stabilisierung der labilen Gleichgewichtslage ohne großen Kraftaufwand durch die Verschiebung des Schwerpunkts mittels Ausgleichsbewegungen in der unteren Becken- und Lendenregion erreicht wird. Durch die weitgehend starre Fixierung bei der herkömmlichen Art zu sitzen wird dieses entlastende Bewegungsspiel erheblich eingeschränkt und « unnatürliche » Bewegungsmuster, Fehlhaltungen und daraus resultierende Fehlbelastungen erzwungen. Schmerzhafte Verspannungen in der Schulter-Nacken-, Lenden-, Becken- und Hüftregion mit Schäden am Muskel- und Bandapparat, die Gefügestörungen nach sich ziehen, stellen sich frühzeitig ein; Wirbelsäulen- und Gelenkschäden werden auf lange Sicht begünstigt.The invention is based on the fact that all of these known inflatable seat cushions, regardless of the material-related beaded shape of their chambers, generally place value on a seat surface that is parallel to or underneath the base, with all of these seat cushions primarily being padded against a hard surface and one protective shield against damp and / or cold contact surfaces arrives through the seat cushion. The invention, on the other hand, is directed toward the formation of a seat cushion designed according to medical-orthopedic aspects for the prevention and treatment of poor posture and postural damage, taking into account essential newly-recognized relationships which have so far been neglected in the relevant scientific studies. The starting point of the considerations is the fact that after long-lasting walking the symptoms of fatigue do not occur, which, in conventional sitting, require support of the spine to relieve the strain after a relatively short time. Analysis of the rhythmic walking process shows that the unstable equilibrium is stabilized without great effort by shifting the center of gravity by means of compensatory movements in the lower pelvic and lumbar region. Due to the largely rigid fixation of the conventional way of sitting, this relieving movement is considerably restricted and «unnatural» movement patterns, incorrect postures and the resulting incorrect loads are forced. Painful tension in the shoulder, neck, lumbar, pelvic and hip region with damage to the musculoskeletal system that cause structural disorders occurs early; Spine and joint damage are favored in the long run.
Der Erfindung liegt daher die Aufgabe zugrunde, ein Sitzkissen der eingangs genannten Art so weiterzubilden, daß vornehmlich die freien Bewegungsabläufe in der unteren Becken- und Lendenregion gefördert werden, die während des Gehens zur Stabilisierung der labilen Gleichgewichtslage bestimmend sind.The invention is therefore based on the object of developing a seat cushion of the type mentioned in such a way that primarily the free movements in the lower pelvic and lumbar region are promoted, which are decisive for stabilizing the unstable equilibrium position during walking.
Zur Lösung dieser Aufgabe ist erfindungsgemäß vorgesehen, daß zwei Kammern vorgesehen sind, deren Nut zur Abstützung der Sitzhöcker der Beckenknochen dient und die Höhe der Nut niedriger als die maximale Höhe der hinteren Kammer und niedriger als die maximale Höhe der vorderen Kammer ist, wobei die maximale Höhe der hinteren Kammer größer ist als die maximale Höhe der vorderen Kammer.To achieve this object, the invention provides that two chambers are provided, the groove of which serves to support the seat bumps of the pelvic bones and the height of the groove is lower than the maximum height of the rear chamber and lower than the maximum height of the front chamber, the maximum The height of the rear chamber is greater than the maximum height of the front chamber.
Durch die erfindungsgemnäße Ausbildung wird ein Sitzkissen in sehr beweglicher Form (labiles Luftkissen) geschaffen, welches dazu geeignet ist, das Becken in die richtige Position als Ruheausgangsstellung zu bringen, da die übliche mehr zusammengesackte Sitzstellung mit rundem Rücken mit einem derartigen labilen Sitzkissen gerade nicht möglich ist. Die aufgrund der Labilität des erfindungsgemäßen Sitzkissens eingenommene Stellung begünstigt die natürliche aufrechte Haltung der Wirbelsäule, die sich u. a. durch eine leichte Krümmung der Lendenwirbelsäule nach vom (physiologische Lendenlordose) auszeichnet. Erst mit Einnahme dieser gesunden Sitzhaltung kann die Atmung unbehindert ablaufen, wodurch eine verbesserte Zwerchfellfunktion mit freier Entfaltung der Rippen- und Lungenpartien resultiert.The inventive design creates a seat cushion in a very flexible form (unstable air cushion), which is suitable to bring the pelvis into the correct position as a rest starting position, since the usual more slumped sitting position with a round back with such an unstable seat cushion is just not possible. The position assumed due to the instability of the seat cushion according to the invention favors the natural upright posture of the spine, which is characterized, inter alia, by a slight curvature of the lumbar spine from (physiological lumbar lordosis). Only with this healthy sitting posture can breathing proceed unhindered, which results in improved diaphragm function with free development of the ribs and lungs.
Die Unterteilung in zwei hintereinander angeordnete Kammern mit einer entsprechend ausgebildeten Nut zwischen diesen Kammern veranlaßt den Benutzer des Kissens zunächst sich so zu setzen, daß die Sitzhöcker der Beckenknochen ihren Platz im Bereich der Nut zwischen den beiden hintereinanderliegenden Kammern finden. Die erhöhte hintere Kammer begünstigt die angestrebte Beckenstellung. Neben ihrer Aufgabe als Führungslinie für die Sitzhöcker dient die Nut als besonders geeignetes Drehareal, das in dieser Ausgestaltung im Gegensatz zur starren Sitzfläche Kipp-, Aufricht- und Seitneigungen des Beckens sowie damit verbundene Stellungsveränderungen der Wirbelsäule und Schwerpunktverlagerungen unbehindert und ohne großen Kraftaufwand erlaubt. Durch die Verformbarkeit des Sitzkissens, die auch vom Füllungsgrad abhängig ist, sind begrenzt Parallelverschiebungen der Sitzfläche gegen die Auflasgefläche in allen Richtunghen möglich, wodurch sich der Bewegungsspielraum noch vergrößert.The subdivision into two successively arranged chambers with a correspondingly designed groove between these chambers initially causes the user of the cushion to sit down in such a way that the seat bones of the pelvic bones find their place in the area of the groove between the two chambers lying one behind the other. The raised rear chamber favors the desired pelvic position. In addition to its function as a guideline for the seat bumps, the groove serves as a particularly suitable area of rotation, which, in contrast to the rigid seat surface, allows the pelvis to tilt, stand up and sideways, as well as the associated changes in position of the spine and center of gravity, without hindrance and without great effort. Due to the deformability of the seat cushion, which also depends on the degree of filling, limited parallel displacements of the seat surface against the inflation surface are possible in all directions, which increases the freedom of movement.
Durch das freie Bewegungsspiel in der Becken-und Lendenregion um die Ruheausgangsstellung läßt sich die Belastung wie beim aufrechten Gehen permanent verschieben, so daß schädigende Dauerbelastungen und damit verbundene Ermüdungserscheinungen unterbleiben, die beim herkömmlichen Sitzen im allgemeinen eine Abstützung der Rückenpartien erforderlich machen. Auf sie braucht selbstverständlich nicht verzichtet zu werden, wenn sie auch durch die damit verbundene Ertüchfigung der Wirbelsäulen- bzw. Rumpfmuskulatur in den Hintergrund tritt. Die kontinuierliche Verschiebung der Belastungspunkte, die durch minimale Bewegungsimpulse erfolgt, fördert durch die dabei auftretende Saug- und Pumpwirkung Zirkulation und Stoffwechsel im Bandscheibengewebe und wirkt auch damit degenerativen Bandscheibenveränderungen entgegen.Due to the free movement in the pelvic and lumbar region around the rest starting position, the load can be permanently shifted as when walking upright, so that there is no permanent damage and associated fatigue, which generally require the back to be supported when sitting conventionally. Of course, it does not have to be dispensed with if it also takes a back seat due to the strengthening of the spinal or core muscles. The continuous shifting of the load points, which occurs through minimal movement impulses, promotes circulation and metabolism in the intervertebral disc tissue through the suction and pumping action that occurs and also counteracts degenerative changes in the intervertebral discs.
Das mit dem erfindungsgemäßen Sitzkissen erzielbare Bewegungsspiel ist im Hinblick auf das Ausmaß der Bewegung und die Leichtigkeit der Durchführung von Bewegungsimpulsen größer als im Gehen. Die damit verbundene größere Labilität der Gleichgewichtslage im Sitzen bringt weitere Vorteile mit sich. Bereits beim geringfügigen Verlassen der labilen Gleichgewichtsstellung erfolgen zur Verhinderung des Umkippens frühzeitig Gegenimpulse, die unter geringem Kraftaufwand die ideale Ausgangslage wieder herstellen, womit die langdauernde Einnahme einer schlechten bzw. ungünstigen Haltung vermieden wird, wie sei beim herkömmlichen Sitzen auf starrer Sitzfläche, aber auch auf den bisher entwickelten und gebräuchlichen Sitzkissen die Regel ist. Einer bestehenden Fehlstatik bzw. krankhaften Verkrümmung der Wirbelsäule wird mit einem Sitzkissen der erfindungsgemäßen Art konsequent entgegengewirkt. Große Hebelkräfte mit schädlichen Stauch- und Scherwirkungen zwischen den Wirbelkörpem werden vermieden, günstige Bewegungsmuster dauerhaft eingeprägt Haltungsschwächen werden durch das beständige Training der gesamten Haltemuskulatur im Becken-Wirbelsäulenbereich unter Einbeziehung der Bauchmuskulatur während der Beschäftigung im Sitzen allmählich abgebaut. Von Wert ist dabei, daß ganze Bewegungsketten gleichzeitig aktiviert werden. Leichtere Gefügestörungen der Wirbelsäule und eventuell damit verbundene Funktionsstörungen im Brust- und Bauchraum lassen sich durch wiederholte Deblockierungsimpulse, die die Wirbelsäule ganzheitlich erfassen, verringern, ggf. gänzlich beseitigen.The range of motion that can be achieved with the seat cushion according to the invention is greater than in walking with regard to the extent of the motion and the ease of carrying out motion impulses. The associated greater instability of the equilibrium position when sitting brings further advantages. Already slightly leaving the unstable equilibrium position, counter impulses occur early to prevent tipping over, which restore the ideal starting position with little effort, thus avoiding the long-term poor or unfavorable posture, as is the case with conventional sitting on a rigid seat surface, but also on the hitherto developed and common seat cushion is the rule. An existing false statics or pathological curvature of the spine is consistently counteracted with a seat cushion of the type according to the invention. Large leverage forces with harmful compression and shear effects between the vertebral bodies are avoided, favorable movement patterns are permanently imprinted. Weakness in posture is gradually reduced through the constant training of the entire musculature in the pelvic spine area, including the abdominal muscles, while working while sitting. It is of value that entire chains of movements are activated at the same time. Minor structural disorders of the spine and any associated functional disorders in the chest and abdomen can be reduced, if necessary completely eliminated, by repeated deblocking impulses that cover the spine holistically.
Schmerzhafte Spannungszustände im Hüft-, Becken- Lenden-, Schulter- und Nackenbereich werden mit hoher Effektivität durch feine und belastungsarme Bewegungs- und Lockerungsimpulse selbsttätig gelöst. Somit vermag das erfindungsgemäße Sitzkissen einen wesentlichen Beitrag zur Verhütung und Behandlung von Schäden an Wirbelsäule und Gelenken als Folge immer wiederkehrender Fehlbelastungen und Zwangshaltungen in der herkömmlichen Sitzposition, die vor allem durch die starre Fixierung des Beckens unnatürliche und schädigende Bewegungsabläufe begünstigt, zu leisten.Painful tension in the hip, pelvic, lumbar, shoulder and neck areas is automatically and effectively released through fine and low-stress movement and relaxation impulses. Thus, the seat cushion according to the invention is able to make a significant contribution to the prevention and treatment of damage to the spine and joints as a result of recurrent incorrect loads and forced postures in the conventional sitting position, which favors unnatural and damaging movements, above all due to the rigid fixation of the pelvis.
Mit den bisher gebräuchlichen und nicht zum Zwecke einer Haltungsverbesserung und Verhütung von Wirbelsäulenschäden entwickelten Sitzkissen lassen sich derartig günstige Wirkungen nicht erzielen. Durch die auch bei ihrer Verwendung gegebene Neigung zu Fehlhaltungen werden Verspannungen und falsche Bewegungsabläufe ausgelöst, die aufgrund der vermehrten Beweglichkeit Gefügestörungen der Wirbelsäule unter Umständen verstärkt nach sich ziehen können. Erst ein an die gesunde Haltung und natürlichen Bewegungsabläufe abgepaßtes Sitzkissen schafft die Voraussetzungen zur Verhütung und Behandlung fehlhaltungsbedingter Wirbelsäulenschäden während des Sitzens.Such favorable effects cannot be achieved with the seat cushions which have been used up to now and which have not been developed for the purpose of improving posture and preventing spinal damage. The tendency towards incorrect posture, which is also present when they are used, triggers tension and incorrect movement sequences, which, due to the increased mobility, can lead to increased structural disorders of the spine. Only a seat cushion that is adapted to the healthy posture and natural movements creates the prerequisites for the prevention and treatment of spine damage caused by incorrect posture while sitting.
Dies gilt auch für ein aufblasbares Polster, das aus der deutschen Gebrauchsmusterschrift 19 90 484 bekanntgeworden ist, welches als Ruhepolster zum Abstützen eines Körperteils beim Ruhen, also offensichtlich als Unterlage für einen Arm, für den Kopf od. dgl. dienen soll. Durch die bogenförmige Abteilung eines vorderen Raums des breiten und in der Länge kurzen Polsters ist es von vomeherein als Sitzpolster ungeeignet, insbesondere aber deshalb, weil es bei Verwendung als Sitzpostrer ja maximal zu einem Drittel ausgenutzt wäre, während die übrigen Teile links und rechts völlig nutzlos überstehen würden. Durch die bogenförmige Nut ergibt sich auch keine Möglichkeit einer sinnvollen und noch dazu labilen verschiebbaren Sitzhöckerpositionierung, da die umgebenden hohen Polsterteile das Becken allseitig umfassen würden und somit der angestrebten labilen Sitzposition entgegenstünden.This also applies to an inflatable cushion, which has become known from German utility model 19 90 484, which is intended to serve as a resting cushion for supporting a part of the body when resting, i.e. obviously as a base for an arm, for the head or the like. Due to the arched section of a front space of the wide and short upholstery, it is unsuitable as a seat upholstery from the start, but especially because it would be used to a maximum of a third if used as a seat poster, while the remaining parts on the left and right were completely useless would survive. Due to the arcuate groove there is also no possibility of a sensible one, and moreover unstable, displaceable seat bump positioning, since the surrounding high upholstery parts would encompass the pelvis on all sides and would therefore conflict with the desired unstable sitting position.
In Weiterbildung der Erfindung hat es sich als besonders zweckmäßig erwiesen, die Länge der vorderen Kammer kleiner als die Länge der hinteren Kammer zu machen, wobei es schließlich auch noch im Rahmen der Erfindung liegt, zwei oder mehrere Einzelsitzkissen übereinander anzuordnen und miteinander zu verbinden, die nicht miteinander kommunizieren. Durch diese Ausbildung läßt sich eine noch labilere Ausbildung des Sitzkissenes erzielen.In a further development of the invention, it has proven to be particularly expedient to make the length of the front chamber smaller than the length of the rear chamber, it finally also being within the scope of the invention to arrange two or more individual seat cushions one above the other and to connect them to one another don't communicate with each other. This training can achieve an even more unstable training of the seat cushion.
Darüber hinaus kann ein erfindungsgemäßes Sitzkissen auch in der Weise ausgestaltet werden, daß die Kammern mit nach vorne weisender U-Öffnung U-förmig umeinander angeordnet sind.In addition, a seat cushion according to the invention can also be designed in such a way that the chambers are arranged around one another in a U-shape with the U opening facing forward.
Die Erfindung soll nachstehend an einem Ausführungsbeispiel sowie anhand der Zeichnung näher erläutert werden. Dabei zeigt :
- Fig. 1 in vereinfachter Darstellung die angestrebte Sitzposition ;
- Fig. 2 eine erste Ausführungsform in perspektivischer Darstellung ;
- Fig. 3 eine abgewandelte Ausführungsform in Draufsicht und
- Fig. 4 im Schnitt nach Linie IV-IV in Fig. 3.
- 1 shows a simplified representation of the desired sitting position;
- Fig. 2 shows a first embodiment in perspective;
- Fig. 3 shows a modified embodiment in plan view and
- 4 in section along line IV-IV in Fig. 3rd
Die Fig. 1 zeigt die gewünschte Sitzposition unter Zuhilfenahme des auf der Sitzfläche 1 eines Stuhls 2 aufliegenden erfindungsgemäßen Sitzkissens 3.1 shows the desired sitting position with the aid of the
Dieses Sitzkissen 3 besteht bei der Ausführungsform nach Fig. 2 aus zwei Kammern 4 und 5, die miteinander kommunizieren und in bekannter Weise ein Ventil zum Aufblasen mit einem Gas, im allgemeinen mit Luft, aufweisen. Der unterschiedliche Füllungsgrad der beiden Kammern 4 und 5 hat Einfluß auf Bewegungsspielraum und Beckenstellung. Die beiden Kammem 4 und 5 kommunizieren miteinander. Die hintere Kammer 4 weist eine Länge v und eine maximale Höhe w auf. Diese vermindert sich zur Vorderseite des Sitzkissens 3, d. h. in Richtung der angrenzenden Kammer 5 auf die geringere Höhe x, die geringfügig von der größten Höhe der vorderen Kammer 5 übertroffen wird, deren Höhe nach vom etwa auf das Maß y abnimmt. Die Höhe x wird in unbelastetem, voll aufgeblasenem Zustand des Sitzkissens in der gängigen Ausführung - wie allgemein üblich - durch die Höhe eines die Quernut an der Ober- und Unterseite verbindenden Steges begrenzt, der mehrere senkrechte Unterbrechungen aufweisen kann. Die Länge z der vorderen Kammer 5 ist geringer als die Länge v der hinteren, auch höheren Kammer 4. Die Sitzfläche 6 bildet gewissermaßen eine schiefe Ebene, die allerdings die die beiden Kammern 4 und 5 trennende Quernut 7 aufweist. Ggf. können die Kammern 4 und 5 auch eine oder mehrere mehr oder weniger stark angedeutete Längsnuten 8 aufweisen, die, da sie lediglich alternativ, auch nur gestrichelt angedeutet sind.In the embodiment according to FIG. 2, this
Während bei der Ausführungsform nach Fig. 2 die beiden Kammern 4 und 5 parallel nebeneinander verlaufen, nehmen die Kammern 4 und 5 bei dem Kissen nach Fig. 3 einen im allgemeinen U-förmigen Verlauf mit nach vom weisender U-Öffnung. Die äußere Kammer 4 ist wiederum nach hinten und außen höher, und ihre Höhe nimmt nach vorn, d. h. zur vorderen bzw. inneren Kammer 5 hin stetig ab. Gleiches gilt für die Kammer 5. Außerdem ist die Breite v der hinteren Kammer 4 größer als die Breite z der vorderen bzw. inneren Kammer 5. Die Kammer 4 ist bogenförmig um die Kammer 5 herumgeführt, wobei die Fig. 3 erkennen läßt, daß auch hier der Unterschied der Breiten v bzw. z der Kammern 4 und 5 bis zum vorderen Ende an der Vorderkante 10 des Sitzkissens 3 bemerkenswert ist. Der Raum 11 innerhalb der U-förmig angelegten Kammer 5 kann lediglich durch eine Werkstoffbahn verkleidet sein. Er kann jedoch auch aus einer weiteren Kammer 12 bestehen, die wiederum niedriger ist als die angrenzende Kammer 5. Dies ist in Fig. 4 dargestellt. 9 bezeichnet die Stegwand zur Unterteilung der einzelnen Kammern, während bei 14 Öffnungen angedeutet sind, die den kommunizierenden Luftaustausch zwischen den Kammern ermöglichen. Anstelle der Stegwand 9 könnten selbstverständlich die Oberlage und Unterlage des Kissens auch unmittelbar durch eine sich nicht über die gesamte Breite erstreckende Schweißnaht miteinander verbunden sein.While the two
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT84114945T ATE44215T1 (en) | 1983-12-14 | 1984-12-07 | INFLATABLE RESP. INFLATED SEAT CUSHION. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19833345291 DE3345291A1 (en) | 1983-12-14 | 1983-12-14 | INFLATABLE SEAT CUSHION |
| DE3345291 | 1983-12-14 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0146092A2 EP0146092A2 (en) | 1985-06-26 |
| EP0146092A3 EP0146092A3 (en) | 1986-10-08 |
| EP0146092B1 true EP0146092B1 (en) | 1989-06-28 |
Family
ID=6216951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP84114945A Expired EP0146092B1 (en) | 1983-12-14 | 1984-12-07 | Inflatable or inflated seat cushion |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4592589A (en) |
| EP (1) | EP0146092B1 (en) |
| JP (1) | JPS60145110A (en) |
| AT (1) | ATE44215T1 (en) |
| DE (2) | DE3345291A1 (en) |
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| FR2609702A1 (en) * | 1987-01-20 | 1988-07-22 | Kogan Henry | Cushion for a work seat, and seat applying the same |
| DE3711014A1 (en) * | 1987-04-01 | 1988-10-20 | Endel Dieter | Chair |
| JPH01145010A (en) * | 1987-12-02 | 1989-06-07 | Rofutee Kk | Kneeling cushion for sitting cross-legged |
| DE3806817A1 (en) * | 1988-03-03 | 1988-08-11 | Rolf Herzog | Disposable travel air cushion |
| US4864671A (en) * | 1988-03-28 | 1989-09-12 | Decubitus, Inc. | Controllably inflatable cushion |
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| US4998301A (en) * | 1989-11-27 | 1991-03-12 | Robert Markus | Collapsible bed-pan support for invalids |
| GB2256794A (en) * | 1991-06-19 | 1992-12-23 | Thomas Matthews | Airline passenger support cushion |
| JPH0568358U (en) * | 1991-11-11 | 1993-09-17 | 株式会社グローバルサービス | Cushion |
| CA2086391C (en) * | 1992-04-14 | 1996-09-24 | Patrick J. Coyne | Adjustable seat and back cushion |
| US5361433A (en) * | 1993-05-21 | 1994-11-08 | Vanzant B W | Pneumatic sit/stand assistance device utilizing sequential inflation for stabilizing effects |
| US5375910A (en) * | 1994-03-10 | 1994-12-27 | Air Physics Corporation | Seat elevating device |
| GB2304035A (en) * | 1995-08-12 | 1997-03-12 | Hazel Pamela Andrews | Inflatable infant chair |
| DE19602226A1 (en) * | 1996-01-23 | 1997-07-24 | Klink Rainer Dipl Ing Fh | Folding inflatable seat cushion |
| US5899529A (en) * | 1996-11-21 | 1999-05-04 | Chaucer; Jane E. | Childs safety seat bolster |
| US5839130A (en) * | 1997-03-03 | 1998-11-24 | Markus; Robert | Collapsible bed-pan support with sheet |
| US5979975A (en) * | 1997-04-30 | 1999-11-09 | Marc Nari Hiraoka | Inflatable portable seat cushion with slip cover and pouch |
| US6113188A (en) * | 1997-12-24 | 2000-09-05 | Stewart; Robert V. | Portable seating assist device |
| US5947563A (en) * | 1998-03-11 | 1999-09-07 | Sevylor U.S.A., Inc. | Inflatable leisure chair |
| DE29900747U1 (en) | 1999-01-18 | 1999-04-15 | Vasudeva Martin | Seat cushion for variable active sitting |
| US6152530A (en) * | 1999-06-14 | 2000-11-28 | Intex Recreation Corp. | Inflatable furniture having independent air chambers |
| DE60226948D1 (en) | 2001-01-18 | 2008-07-17 | Roho Inc | VALVE FOR CELLULAR CUSHION DIVIDED IN ZONES |
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| DE202004011087U1 (en) * | 2004-07-15 | 2004-09-16 | Gebr. Obermaier Ohg | Seat pad with bevelled seat |
| US20060150321A1 (en) * | 2005-01-07 | 2006-07-13 | Brockman Kevin D | Portable lifting systems and methods for assistance in standing |
| US8555429B2 (en) | 2005-08-01 | 2013-10-15 | Jamie S. Leach | Adjustable contoured baby bathing or pet cushion |
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| US8468627B2 (en) | 2006-01-04 | 2013-06-25 | Jamie S. Leach | Elongated angular multiple position body pillow |
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| US7966679B2 (en) * | 2006-08-24 | 2011-06-28 | Sante Plus, Inc. | Stretch assisting cushion |
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| US7441294B2 (en) * | 2007-01-22 | 2008-10-28 | L&P Property Management Company | Bedding or seating product having inflatable concentric air bladders |
| US8661587B1 (en) | 2007-05-03 | 2014-03-04 | Jamie S. Leach | Infant support pillow |
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| US20080313814A1 (en) * | 2007-06-22 | 2008-12-25 | Yu-Wen Cheng | Inflatable chair cushion |
| US7841667B2 (en) * | 2008-04-04 | 2010-11-30 | L&P Property Management Company | Seating support system |
| US7926135B1 (en) | 2008-11-04 | 2011-04-19 | Leach Jamie S | Baby bath support pillow |
| WO2010096338A1 (en) * | 2009-02-23 | 2010-08-26 | Merck Sharp & Dohme Corp. | PYRAZOLO [4,3-c] CINNOLIN-3-ONE M1 RECEPTOR POSITIVE ALLOSTERIC MODULATORS |
| WO2011096826A1 (en) * | 2010-02-05 | 2011-08-11 | James Alexander Eden Webster | Furniture seating |
| US20140007761A1 (en) * | 2011-06-03 | 2014-01-09 | Cvg Management Corporation | Blast protection |
| JP5985411B2 (en) * | 2012-02-22 | 2016-09-06 | トヨタ紡織株式会社 | Cushion pad for vehicle seat |
| US8756736B1 (en) * | 2013-08-29 | 2014-06-24 | Kelli L. Minson | Inclined air mattress having internal air baffles and supports |
| US9259098B2 (en) * | 2013-12-06 | 2016-02-16 | Hill-Rom Services, Inc. | Inflatable patient positioning unit |
| JP6060105B2 (en) * | 2014-04-02 | 2017-01-11 | 豊光 根橋 | Support tool and bag |
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| GB425330A (en) * | 1933-11-28 | 1935-03-12 | Arliss Ltd | Improvements in or relating to pneumatic cushions |
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| FR2085431A1 (en) * | 1970-04-20 | 1971-12-24 | Sevylor | |
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| US4370769A (en) * | 1980-09-19 | 1983-02-01 | Herzig Ralph B | Cushion utilizing air and liquid |
-
1983
- 1983-12-14 DE DE19833345291 patent/DE3345291A1/en active Granted
-
1984
- 1984-12-07 EP EP84114945A patent/EP0146092B1/en not_active Expired
- 1984-12-07 AT AT84114945T patent/ATE44215T1/en not_active IP Right Cessation
- 1984-12-07 DE DE8484114945T patent/DE3478785D1/en not_active Expired
- 1984-12-14 JP JP59264334A patent/JPS60145110A/en active Granted
-
1985
- 1985-03-11 US US06/709,989 patent/US4592589A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US4592589A (en) | 1986-06-03 |
| JPS60145110A (en) | 1985-07-31 |
| DE3345291C2 (en) | 1987-04-16 |
| JPH0510085B2 (en) | 1993-02-08 |
| EP0146092A3 (en) | 1986-10-08 |
| ATE44215T1 (en) | 1989-07-15 |
| DE3345291A1 (en) | 1985-06-20 |
| EP0146092A2 (en) | 1985-06-26 |
| DE3478785D1 (en) | 1989-08-03 |
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