EP1752122B1 - Stand-up wheelchair - Google Patents

Stand-up wheelchair Download PDF

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Publication number
EP1752122B1
EP1752122B1 EP06015425A EP06015425A EP1752122B1 EP 1752122 B1 EP1752122 B1 EP 1752122B1 EP 06015425 A EP06015425 A EP 06015425A EP 06015425 A EP06015425 A EP 06015425A EP 1752122 B1 EP1752122 B1 EP 1752122B1
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EP
European Patent Office
Prior art keywords
backrest
stand
wheelchair according
wheelchair
longitudinal rails
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
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EP06015425A
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German (de)
French (fr)
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EP1752122A1 (en
Inventor
Heinrich Perk
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Otto Bock Healthcare GmbH
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Otto Bock Healthcare GmbH
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Priority to PL06015425T priority Critical patent/PL1752122T3/en
Publication of EP1752122A1 publication Critical patent/EP1752122A1/en
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Publication of EP1752122B1 publication Critical patent/EP1752122B1/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/14—Standing-up or sitting-down aids

Definitions

  • the invention relates to a Clothingrichtrollstuhl with a chassis to which two drive wheels and at least one steerable wheel are fixed, on which a Materialsrichteech with a seat, a backrest and at least one footrest is pivotally mounted on both sides below the seat upper longitudinal rail and a lower Longitudinal rail are arranged, the upper longitudinal rail is firmly connected to the seat and both longitudinal rails are connected by four joints with each other and are connected at their rear ends to the backrest.
  • Such a wheelchair is for example from the EP 0 815 822 B1 known.
  • the long-term sedentary posture of a wheelchair user leads to the physical degradation of body functions such. Reduced mobility of the lower limbs, slowing of intestinal activity and deterioration of blood circulation. Sitting also causes the risk of decubitus.
  • a sit-up wheelchair helps to reduce these consequences, as changing the posture to the point of standing reduces the degradation of body functions.
  • the swivel seat is mounted on a chassis with backrest and footrest.
  • the correct adaptation to the anatomical requirements of the user is a very important criterion for the comfort the wheelchair offers.
  • the ratio of seat depth and lower leg is determined based on the body dimensions of the user. According to the determined dimensions a raising chair is selected and manufactured from the standard program of a manufacturer.
  • Raising wheelchairs also offer the user the opportunity to exercise.
  • the disabled person can play golf.
  • it is particularly important that the wheelchair in the erected position provides high stability.
  • a requirement is that the footrest stand up in the raised position on the ground or be supported on it.
  • the backrest must be parallel to the seat and the golfer must be provided with sufficient movement (turning of the upper body) to be able to swing to the beat.
  • the DE 199 12 830 A1 describes a Aufrichtrollstuhl with a chassis carrying a pivotable structure to which a seat, a footrest and a backrest is attached.
  • the structure is formed by two symmetrical lateral articulation systems and allows the stepless adjustment of the backrest.
  • the seat depth can be changed by an adjustable backrest.
  • the backrest is telescopically connected to the base of the seat.
  • the telescopic tubes are not very functional in practical operation. To ensure stability, low tolerances are required. Frequent adjustment leads to wear.
  • the telescopic tubes arranged on both sides under the seat can tilt one another. The backrest is then tilted with respect to the seat and a safe erection of the wheelchair is not possible. Telescopic tubes are also susceptible to dirt, which is unavoidable, especially during physical activity.
  • a generic Aufrichtrollstuhl is characterized in that the rear ends of the longitudinal rails have a slot in which the backrest is taken longitudinally displaceable.
  • each sliding block is arranged on a plate which is connected via joints with the backrest. These plates can be connected to each other via a hinge handle, so that for adjusting the backrest, the two handles laterally comprises the seat and with their help, the backrest can be moved in the slots.
  • the longitudinal rails are provided with recesses arranged parallel to the slots, which are arranged in planes parallel to the slots, into each of which a latching bolt which is connected to the backrest can intervene.
  • the locking bolts can be arranged on the handle elements.
  • the recesses in conjunction with the locking bolts have the advantage that the backrest is pre-fixed before the sliding blocks are screwed into the slots. They also offer the advantage that the backrest backrest is held even when the screwing of the sliding blocks loosens.
  • the recesses are preferably regularly spaced from each other, whereby a grid for the backrest can be realized. Instead of recesses and holes can be provided.
  • the longitudinal rails can be hinged together via a tab.
  • the wheelchair consists of the chassis 29 with the erection unit 33 mounted thereon, the drive wheels 30 and the two steerable front wheels 31.
  • the erection unit 33 has a seat surface 3, a backrest 7 and a footrest 32. Via an actuator 28, the erecting unit 33 can be pivoted.
  • the seat 3 comes to a vertical position.
  • the backrest 7 maintains its vertical position and is then parallel to the seat surface 3.
  • the footrest 32 is lowered and is supported in the extended position of Aufrichteisme 33 on the floor.
  • the upper longitudinal rail 1 is fixedly connected to the seat surface 3 and has a front hinge point 10 and a rear hinge point 11.
  • the lower longitudinal rail 2 has a front pivot point 12 and a rear pivot point 13.
  • the hinge points 10, 12; 11, 13, the upper longitudinal rail 1 and the lower longitudinal rail 2 are hinged together, wherein a joint-parallelogram is formed.
  • D. h. The distance C of the front pivot points 10, 12 is identical to the distance D of the rear pivot points 11, 13 and the distance A of the hinge points 10, 11 of the upper longitudinal rail is identical to the distance B of the hinge points 12, 13 of the lower Longitudinal rail 2.
  • the longitudinal rails 1, 2 have in the rear region a longitudinal slot 1 a, 2 a, which is circumferentially closed.
  • Sliding blocks 5a, 6a (cf., FIG. 5), which are each fastened to a plate 5, 6, run in the slots 1a, 2a.
  • the sliding blocks 5a, 6a can be set in the slots 1a, 2a, or the plates 5, 6 against the longitudinal rails 1, 2 are clamped.
  • On the plates 5, 6 is about the joints 14, 15, the backrest 7, which has a transverse strut 7a, articulated.
  • a three-part handle unit 16 is attached.
  • the bolts 9, 9 ' cooperate with recesses 1b, 2b, which are provided on the upper side of the longitudinal rail 1 and the underside of the longitudinal rail 2 and serve to lock the backrest 7 in the longitudinal direction.
  • the angle at which the mutually effective recesses 1b, 2b are equal to the angle of the distance between the hinge points 10, 12 and 11, 13th
  • the backrest 7 may be in two parts and be connected via two clamps 17 with the Aufrichteech 33. Such a configuration has the advantage that the backrest 7 can be easily and quickly removed when the erector wheelchair z. B. to be transported in a motor vehicle.
  • the seat depth X can be adjusted by a continuous adjustment with the backrest.
  • the lower, with the plates 5, 6 articulated part of the backrest 7 may be integrally formed with the backrest 7 or designed as a wishbone 18.
  • the angle ⁇ of the backrest 7 can be adjusted relative to the seat surface 3.
  • the longitudinal rails 1, 2 are hinged together via the tab 4.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Handcart (AREA)
  • Seats For Vehicles (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Golf Clubs (AREA)
  • Special Chairs (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

The wheelchair, with a mechanism to raise and lower the seat, has a chassis (29) for two drive wheels (30) and at least one steering wheel (31), has upper (1) and lower (2) longitudinal rails under the seat (3). A slit (1a,2a) is at the rear end of the rails to take the lower end of the backrest (7) with a sliding movement.

Description

Die Erfindung betrifft einen Aufrichtrollstuhl mit einem Fahrgestell, an dem zwei Antriebsräder und mindestens ein lenkbares Rad befestigt sind, auf dem eine Aufrichteeinheit mit einer Sitzfläche, einer Rückenlehne und mindestens einer Fußstütze schwenkbar angeordnet ist, wobei beidseitig unterhalb der Sitzfläche eine obere Längsschiene und eine untere Längsschiene angeordnet sind, die obere Längsschiene fest mit der Sitzfläche verbunden ist und beide Längsschienen über vier Gelenke miteinander in Verbindung stehen und mit ihren hinteren Enden mit der Rückenlehne verbunden sind.The invention relates to a Aufrichtrollstuhl with a chassis to which two drive wheels and at least one steerable wheel are fixed, on which a Aufrichteeinheit with a seat, a backrest and at least one footrest is pivotally mounted on both sides below the seat upper longitudinal rail and a lower Longitudinal rail are arranged, the upper longitudinal rail is firmly connected to the seat and both longitudinal rails are connected by four joints with each other and are connected at their rear ends to the backrest.

Ein solcher Rollstuhl ist beispielsweise aus der EP 0 815 822 B1 bekannt. Die über einen langen Zeitraum andauernde sitzende Körperhaltung eines Rollstuhlfahrers führt zum physischen Abbau von Körperfunktionen, wie z. B. reduzierte Beweglichkeit der unteren Gliedmaße, Verlangsamung der Darmaktivitäten und Verschlechterung der Blutzirkulation. Durch das Sitzen besteht außerdem die Gefahr eines Dekubitus. Ein Aufrichtrollstuhl hilft, diese Folgen zu reduzieren, da durch Veränderung der Körperhaltung, bis hin zum Stehen, der Abbau der Körperfunktionen reduziert wird. Die schwenkbare Sitzfläche wird mit Rücken- und Fußstütze auf ein Fahrgestell montiert. Die korrekte Anpassung an die anatomischen Erfordernisse des Benutzers ist ein sehr wichtiges Kriterium für den Komfort, den der Rollstuhl bietet. Dabei wird das Verhältnis von Sitztiefe und Unterschenkel anhand der Körperabmessungen des Benutzers bestimmt. Entsprechend der ermittelten Maße wird ein Aufrichtstuhl aus dem Standardprogramm eines Herstellers ausgewählt und gefertigt.Such a wheelchair is for example from the EP 0 815 822 B1 known. The long-term sedentary posture of a wheelchair user leads to the physical degradation of body functions such. Reduced mobility of the lower limbs, slowing of intestinal activity and deterioration of blood circulation. Sitting also causes the risk of decubitus. A sit-up wheelchair helps to reduce these consequences, as changing the posture to the point of standing reduces the degradation of body functions. The swivel seat is mounted on a chassis with backrest and footrest. The correct adaptation to the anatomical requirements of the user is a very important criterion for the comfort the wheelchair offers. The ratio of seat depth and lower leg is determined based on the body dimensions of the user. According to the determined dimensions a raising chair is selected and manufactured from the standard program of a manufacturer.

Anwenderspezifisch hergestellte Aufrichtstühle führen bei kleinen und großen Personen oft zu einem unbefriedigenden Komfort, da die standardisierten Größen der Aufrichtstühle auf Personen mit durchschnittlichen Körperabmessungen zugeschnitten sind. Häufig wird die mangelnde Anpassung vom Benutzer nur indirekt wahrgenommen. Scherbewegungen zwischen Körper und Sitzfläche oder ein übermäßig starker Flächendruck der Kniepolster können schon nach kurzer Benutzungszeit einen Dekubitus entstehen lassen.User-specific erecting chairs often result in unsatisfactory comfort for tall and small persons, as the standardized sizes of the erecting chairs are tailored to persons of average body size. Often, the lack of customization is perceived by the user only indirectly. Shear movements between body and seat or an excessively strong surface pressure of the knee bolsters can give rise to pressure sores even after a short period of use.

Aufrichtrollstühle bieten dem Benutzer auch die Möglichkeit, sich sportlich zu betätigen. So kann der Behinderte beispielsweise Golf spielen. In einem solchen Fall ist es besonders wichtig, dass der Rollstuhl in der aufgerichteten Position eine hohe Standfestigkeit bietet. So ist beispielsweise eine Anforderung, dass die Fußstütze in der aufgerichteten Position auf dem Erdboden aufsteht bzw. sich auf ihm abstützt. Die Rückenlehne muss parallel zur Sitzfläche stehen und dem Golfer muss ausreichend Bewegungsmöglichkeit (Drehen des Oberkörpers) geboten werden, um zum Schlag schwingen zu können.Raising wheelchairs also offer the user the opportunity to exercise. For example, the disabled person can play golf. In such a case, it is particularly important that the wheelchair in the erected position provides high stability. For example, a requirement is that the footrest stand up in the raised position on the ground or be supported on it. The backrest must be parallel to the seat and the golfer must be provided with sufficient movement (turning of the upper body) to be able to swing to the beat.

In einem solchen Fall werden vielfach auf dem Golfplatz Aufrichtrollstühle bereitgehalten und von unterschiedlichen Nutzern benutzt. Auf Menschen mit durchschnittlicher Größe zugeschnittene Aufrichtrollstühle können von einer Reihe behinderter Menschen nicht oder nur unter großen Komforteinbußen benutzt werden.In such a case Aufrichtrollstühle are often held on the golf course and used by different users. Raising wheelchairs designed for people of average height can not be used by a number of disabled people or can only be used with great loss of comfort.

Die DE 199 12 830 A1 beschreibt einen Aufrichtrollstuhl mit einem Fahrgestell, das einen schwenkbaren Aufbau trägt, an dem eine Sitzfläche, eine Fußstütze und eine Rückenlehne angebracht ist. Der Aufbau wird durch zwei symmetrische seitliche Gelenksysteme gebildet und erlaubt die stufenlose Verstellbarkeit der Rückenlehne.The DE 199 12 830 A1 describes a Aufrichtrollstuhl with a chassis carrying a pivotable structure to which a seat, a footrest and a backrest is attached. The structure is formed by two symmetrical lateral articulation systems and allows the stepless adjustment of the backrest.

Aus der CA 2 458 092 A1 ist ein einstellbarer Aufrichtrollstuhl bekannt. Die Sitztiefe kann durch eine verstellbare Rückenlehne verändert werden. Hierzu ist die Rückenlehne teleskopierbar mit dem Untergestell des Sitzes verbunden. Die Teleskoprohre sind im praktischen Betrieb nicht sonderlich funktionell. Um die Stabilität zu gewährleisten, sind geringe Toleranzen erforderlich. Eine häufige Verstellung führt zu Verschleiß. Die beidseitig unter der Sitzfläche angeordneten Teleskoprohre können zueinander verkanten. Die Rückenlehne ist dann schief gegenüber der Sitzfläche und ein sicheres Aufrichten des Rollstuhles ist nicht möglich. Teleskoprohre sind außerdem schmutzanfällig, was aber gerade bei sportlicher Aktivität unvermeidbar ist.From the CA 2 458 092 A1 is an adjustable Aufrichtrollstuhl known. The seat depth can be changed by an adjustable backrest. For this purpose, the backrest is telescopically connected to the base of the seat. The telescopic tubes are not very functional in practical operation. To ensure stability, low tolerances are required. Frequent adjustment leads to wear. The telescopic tubes arranged on both sides under the seat can tilt one another. The backrest is then tilted with respect to the seat and a safe erection of the wheelchair is not possible. Telescopic tubes are also susceptible to dirt, which is unavoidable, especially during physical activity.

Von dieser Problemlösung ausgehend soll der eingangs beschriebene Aufrichtrollstuhl verbessert werden.Based on this problem solution, the erecting wheelchair described at the outset should be improved.

Zur Problemlösung zeichnet sich ein gattungsgemäßer Aufrichtrollstuhl dadurch aus, dass die hinteren Enden der Längsschienen einen Schlitz aufweisen, in dem die Rückenlehne längsverschiebbar aufgenommen ist.To solve the problem, a generic Aufrichtrollstuhl is characterized in that the rear ends of the longitudinal rails have a slot in which the backrest is taken longitudinally displaceable.

Durch diese Ausgestaltung ist die Sitztiefe des Aufrichtrollstuhls einstellbar. Eine Schlitzführung ist sehr robust und wenig schmutzanfällig.With this configuration, the seat depth of Aufrichtrollstuhls is adjustable. A slot guide is very robust and not very susceptible to dirt.

Wenn die Rückenlehne über Kulissensteine in den Schlitzen spürbar und fixierbar ist, können geringe Toleranzen eingehalten werden. Die Kulissensteine bieten auch die Möglichkeit einer stufenlosen Einstellung der Sitztiefe. Verkantungen der Rückenlehne sind ausgeschlossen, so dass die Schwenkbarkeit von Sitzfläche und Rückenlehne auch unter rauen Bedingungen sichergestellt ist. Vorzugsweise ist jeder Kulissenstein an einer Platte angeordnet, die über Gelenke mit der Rückenlehne verbunden ist. Diese Platten können über einen Gelenkgriff miteinander verbunden sein, so dass zum Einstellen der Rückenlehne die beiden Griffe seitlich der Sitzfläche umfasst und mit ihrer Hilfe die Rückenlehne in den Schlitzen verschoben werden kann.If the backrest is noticeable and fixable via sliding blocks in the slots, small tolerances can be maintained. The sliding blocks also offer the possibility of a stepless adjustment of the seat depth. Tilting of the backrest are excluded, so that the pivoting of the seat and backrest is ensured even under harsh conditions. Preferably, each sliding block is arranged on a plate which is connected via joints with the backrest. These plates can be connected to each other via a hinge handle, so that for adjusting the backrest, the two handles laterally comprises the seat and with their help, the backrest can be moved in the slots.

Vorteilhaft ist es, wenn die Längsschienen mit parallel zu den Schlitzen angeordneten Ausnehmungen versehen sind, die in zu den Schlitzen parallelen Ebenen angeordnet sind, in die je ein mit der Rückenlehne in Verbindung stehender Rastbolzen eingreifen kann. Die Rastbolzen können an den Griffelementen angeordnet sein. Die Ausnehmungen bieten in Verbindung mit den Rastbolzen den Vorteil, dass die Rückenlehne vorfixiert wird, bevor die Kulissensteine in den Schlitzen verschraubt werden. Sie bieten außerdem den Vorteil, dass die Rücken Rückenlehne auch dann gehalten wird, wenn sich die Verschraubung der Kulissensteine lockert.It is advantageous if the longitudinal rails are provided with recesses arranged parallel to the slots, which are arranged in planes parallel to the slots, into each of which a latching bolt which is connected to the backrest can intervene. The locking bolts can be arranged on the handle elements. The recesses in conjunction with the locking bolts have the advantage that the backrest is pre-fixed before the sliding blocks are screwed into the slots. They also offer the advantage that the backrest backrest is held even when the screwing of the sliding blocks loosens.

Die Ausnehmungen sind vorzugsweise zueinander regelmäßig beabstandet, wodurch eine Rasterung für die Rückenlehne realisierbar ist. Anstelle von Ausnehmungen können auch Bohrungen vorgesehen sein.The recesses are preferably regularly spaced from each other, whereby a grid for the backrest can be realized. Instead of recesses and holes can be provided.

An den hinteren Enden können die Längsschienen über eine Lasche miteinander gelenkig verbunden sein.At the rear ends, the longitudinal rails can be hinged together via a tab.

Mit Hilfe einer Zeichnung sollen Ausführungsbeispiele der Erfindung nachfolgend näher beschrieben werden:By means of a drawing, embodiments of the invention will be described in more detail below:

Es zeigt:

Figur 1
einen Aufrichtrollstuhl in Seitenansicht;
Figur 2
die Aufrichteeinheit;
Figur 3
eine Teildarstellung der Verstellkinematik;
Figur 4
eine Teildarstellung der Rückansicht nach Figur 3;
Figur 5
den Schnitt entlang der Linie V-V nach Figur 3;
Figur 6
die Aufrichteeinheit in Seitenansicht.
It shows:
FIG. 1
a Aufrichtrollstuhl in side view;
FIG. 2
the erection unit;
FIG. 3
a partial view of the adjustment kinematics;
FIG. 4
a partial view of the rear view of Figure 3;
FIG. 5
the section along the line VV of Figure 3;
FIG. 6
the Aufrichteeinheit in side view.

Der Rollstuhl besteht aus dem Fahrgestell 29 mit der darauf befestigten Aufrichteeinheit 33, den Antriebsrädern 30 und den beiden lenkbaren Vorderrädern 31. Die Aufrichteeinheit 33 weist eine Sitzfläche 3, eine Rückenlehne 7 und eine Fußstütze 32 auf. Über einen Aktuator 28 kann die Aufrichteeinheit 33 geschwenkt werden. Die Sitzfläche 3 gelangt dazu in eine vertikale Lage. Die Rückenlehne 7 behält ihre vertikale Lage bei und steht dann parallel zur Sitzfläche 3. Gleichzeitig mit dem Abkippen der Sitzfläche 3 wird die Fußstütze 32 abgesenkt und stützt sich in der gestreckten Position der Aufrichteeinheit 33 auf dem Boden ab.The wheelchair consists of the chassis 29 with the erection unit 33 mounted thereon, the drive wheels 30 and the two steerable front wheels 31. The erection unit 33 has a seat surface 3, a backrest 7 and a footrest 32. Via an actuator 28, the erecting unit 33 can be pivoted. The seat 3 comes to a vertical position. The backrest 7 maintains its vertical position and is then parallel to the seat surface 3. Simultaneously with the tilting of the seat surface 3, the footrest 32 is lowered and is supported in the extended position of Aufrichteeinheit 33 on the floor.

Unterhalb der Sitzfläche 3 sind zwei Längsschienen 1, 2 angeordnet. Die obere Längsschiene 1 ist fest mit der Sitzfläche 3 verbunden und weist einen vorderen Gelenkpunkt 10 und einen hinteren Gelenkpunkt 11 auf. Die untere Längsschiene 2 weist einen vorderen Gelenkpunkt 12 und einen hinteren Gelenkpunkt 13 auf. Über die Gelenkpunkte 10, 12; 11, 13 sind die obere Längsschiene 1 und die untere Längsschiene 2 gelenkig miteinander verbunden, wobei ein Gelenke-Parallelogramm ausgebildet ist. D. h., der Abstand C der vorderen Gelenkpunkte 10, 12 ist identisch zu dem Abstand D der hinteren Gelenkpunkte 11, 13 und der Abstand A der Gelenkpunkte 10, 11 der oberen Längsschiene ist identisch zum Abstand B der Gelenkpunkte 12, 13 der unteren Längsschiene 2.Below the seat 3, two longitudinal rails 1, 2 are arranged. The upper longitudinal rail 1 is fixedly connected to the seat surface 3 and has a front hinge point 10 and a rear hinge point 11. The lower longitudinal rail 2 has a front pivot point 12 and a rear pivot point 13. About the hinge points 10, 12; 11, 13, the upper longitudinal rail 1 and the lower longitudinal rail 2 are hinged together, wherein a joint-parallelogram is formed. D. h., The distance C of the front pivot points 10, 12 is identical to the distance D of the rear pivot points 11, 13 and the distance A of the hinge points 10, 11 of the upper longitudinal rail is identical to the distance B of the hinge points 12, 13 of the lower Longitudinal rail 2.

Die Längsschienen 1, 2 weisen im hinteren Bereich einen Längsschlitz 1 a, 2a auf, der umfangsseitig geschlossen ist. In den Schlitzen 1 a, 2a laufen Kulissensteine 5a, 6a (vgl. Figur 5), die jeweils an einer Platte 5, 6 befestigt sind. Über eine Spannplatte 5b, 6b können die Kulissensteine 5a, 6a in den Schlitzen 1a, 2a festgesetzt werden, bzw. die Platten 5, 6 gegenüber den Längsschienen 1, 2 verspannt werden. An den Platten 5, 6 ist über die Gelenke 14, 15 die Rückenlehne 7, die eine Querstrebe 7a aufweist, gelenkig befestigt. Am gegenüberliegenden Ende der Platten 5, 6 ist eine aus drei Teilen bestehende Griffeinheit 16 befestigt. An der Griffeinheit 16, die gelenkig an den Platten 5, 6 befestigt ist, sind ein oberer Bolzen 9 und ein unterer Bolzen 9' angeordnet. Die Bolzen 9, 9' wirken mit Ausnehmungen 1b, 2b zusammen, die an der Oberseite der Längsschiene 1 bzw. der Unterseite der Längsschiene 2 vorgesehen sind und dienen zur Verrastung der Rückenlehne 7 in Längsrichtung. Der Winkel, in dem die miteinander wirksamen Ausnehmungen 1b, 2b (vgl. Figur 4) liegen, entspricht dem Winkel der Strecke zwischen den Gelenkpunkten 10, 12 und 11, 13.The longitudinal rails 1, 2 have in the rear region a longitudinal slot 1 a, 2 a, which is circumferentially closed. Sliding blocks 5a, 6a (cf., FIG. 5), which are each fastened to a plate 5, 6, run in the slots 1a, 2a. About a clamping plate 5b, 6b, the sliding blocks 5a, 6a can be set in the slots 1a, 2a, or the plates 5, 6 against the longitudinal rails 1, 2 are clamped. On the plates 5, 6 is about the joints 14, 15, the backrest 7, which has a transverse strut 7a, articulated. At the opposite end of the plates 5, 6 a three-part handle unit 16 is attached. On the handle unit 16, which is hinged to the plates 5, 6, an upper pin 9 and a lower pin 9 'are arranged. The bolts 9, 9 'cooperate with recesses 1b, 2b, which are provided on the upper side of the longitudinal rail 1 and the underside of the longitudinal rail 2 and serve to lock the backrest 7 in the longitudinal direction. The angle at which the mutually effective recesses 1b, 2b (see Figure 4) are equal to the angle of the distance between the hinge points 10, 12 and 11, 13th

Zum Verstellen der Rückenlehne 7 und Einstellen der Sitztiefe X werden die Spannplatten 5b, 6b, die über die Verschraubung 5', 6' mit den Platten 5, 6 verspannt sind, gelöst, die beiden Griffeinheiten 16 auseinander gezogen, so dass die Rastbolzen 9, 9' außer Eingriff mit den Ausnehmungen 1b, 2b gelangen und die Rückenlehne 7 dann um den gewünschten Betrag vor oder zurückgeschoben wird. Die Rastbolzen werden in die entsprechenden Ausnehmungen 1 b, 2b eingeführt und die Verschraubung 5', 6' wieder angezogen.To adjust the backrest 7 and adjusting the seat depth X are the clamping plates 5b, 6b, which are clamped on the screw 5 ', 6' with the plates 5, 6, dissolved, the two handle units 16 pulled apart, so that the locking pin 9, 9 'out of engagement with the recesses 1b, 2b and the backrest 7 is then pushed forward or back by the desired amount. The locking bolts are inserted into the corresponding recesses 1 b, 2 b and the screw 5 ', 6' tightened again.

Wie Figur 6 zeigt, können anstelle von regelmäßig beabstandeten Ausnehmungen 1b, 2b auch unterhalb der Schlitze verlaufende Bohrungen 1 c, 2c vorgesehen sein, in die die Rastbolzen 9, 9' einschnappen können. Die Rückenlehne 7 kann zweiteilig sein und über zwei Klemmschellen 17 mit der Aufrichteeinheit 33 verbunden sein. Eine solche Ausgestaltung hat den Vorteil, dass die Rückenlehne 7 leicht und schnell abgenommen werden kann, wenn der Aufrichterollstuhl z. B. in einem Kraftfahrzeug transportiert werden soll.As Figure 6 shows, instead of regularly spaced recesses 1b, 2b and below the slots extending holes 1 c, 2c may be provided, in which the locking pins 9, 9 'can snap. The backrest 7 may be in two parts and be connected via two clamps 17 with the Aufrichteeinheit 33. Such a configuration has the advantage that the backrest 7 can be easily and quickly removed when the erector wheelchair z. B. to be transported in a motor vehicle.

Es ist auch möglich, dass die Sitztiefe X durch eine stufenlose Verstellbarkeit mit der Rückenlehne eingestellt werden kann.It is also possible that the seat depth X can be adjusted by a continuous adjustment with the backrest.

Der untere, mit den Platten 5, 6 gelenkig verbundene Teil der Rückenlehne 7 kann einstückig mit der Rückenlehne 7 ausgebildet oder als Dreieckslenker 18 gestaltet sein. Durch eine Änderung der Abstände D der Gelenkpunkte 11, 13 und B der Gelenkpunkte 12, 13 kann der Winkel α der Rückenlehne 7 relativ zur Sitzfläche 3 eingestellt werden. An ihren hinteren Enden sind die Längsschienen 1, 2 über die Lasche 4 gelenkig miteinander verbunden.The lower, with the plates 5, 6 articulated part of the backrest 7 may be integrally formed with the backrest 7 or designed as a wishbone 18. By changing the distances D of the hinge points 11, 13 and B of the hinge points 12, 13, the angle α of the backrest 7 can be adjusted relative to the seat surface 3. At their rear ends, the longitudinal rails 1, 2 are hinged together via the tab 4.

Bezugszeichenliste:LIST OF REFERENCE NUMBERS

11
Längsschienelongitudinal rail
1 a1 a
Schlitz/LängsschlitzSlot / longitudinal slot
1 b1 b
Ausnehmungrecess
1 c1 c
Loch/BohrungHole / bore
22
Längsschienelongitudinal rail
2a2a
Schlitz/LängsschlitzSlot / longitudinal slot
2b2 B
Ausnehmungrecess
2c2c
Loch/BohrungHole / bore
33
Sitzflächeseat
44
Lascheflap
55
Platteplate
5a5a
Kulissensteinsliding block
5b5b
Spannplattechipboard
5'5 '
Verschraubungscrew
66
Platteplate
6a6a
Kulissensteinsliding block
6b6b
Spannplattechipboard
6'6 '
Verschraubungscrew
77
Rückenlehnebackrest
7a7a
Querstrebecrossmember
99
RastbolzenIndexing plungers
9'9 '
RastbolzenIndexing plungers
1010
Gelenk/GelenkpunktJoint / hinge point
1111
Gelenk/GelenkpunktJoint / hinge point
1212
Gelenk/GelenkpunktJoint / hinge point
1313
Gelenk/GelenkpunktJoint / hinge point
1414
Gelenkpunktfulcrum
1515
Gelenkpunktfulcrum
1616
Griffeinheithandle unit
1717
Klemmschelleclamp
1818
Lenkerhandlebars
2828
Aktuatoractuator
2929
Fahrgestellchassis
3030
Antriebsraddrive wheel
3131
gelenktes Radsteered wheel
3232
Fußstützefootrest
3333
Aufrichteeinheituplift

Claims (11)

  1. Stand-up wheelchair comprising a chassis (29), to which two drive wheels (30) and at least one steerable wheel (31) are attached and on which, in addition, a stand-up unit (33) having a seating surface (3), a backrest (7) and at least one footrest (32) is pivotably arranged, an upper longitudinal rail (1) and a lower longitudinal rail (2) being arranged on either side underneath the seating surface (3), the upper longitudinal rail (1) being rigidly connected with the seating surface (3) and both longitudinal rails (1, 2) being connected by four fulcrums (10, 11, 12, 13) and being attached at their trailing ends to a backrest (7), characterised in that the trailing ends of the longitudinal rails (1, 2) have a slot (1a, 2a), in which the backrest (7) is accommodated with its lower ends so as to be longitudinally displaceable.
  2. Stand-up wheelchair according to claim 1, characterised in that the backrest (7) is guided in the slots (1a, 2a) via connecting members (5a, 6a) and can be fixed relative to the longitudinal rails (1, 2).
  3. Stand-up wheelchair according to claim 2, characterised in that each connecting member (5a, 6a) is arranged on a plate (5, 6) which is connected to the backrest (7) by a joint (14, 15).
  4. Stand-up wheelchair according to claim 1, characterised in that the longitudinal rails (1, 2) are provided with recesses (1b, 2b) arranged in planes parallel to the slots (1a, 2a) and in each of which a locking pin (9, 9'), which is connected to the backrest (7), can engage.
  5. Stand-up wheelchair according to claim 4, characterised in that the locking pins (9) are arranged on a grip unit (16) made of multiple parts.
  6. Stand-up wheelchair according to claim 5, characterised in that the parts of the grip unit (16) are articulated to one another.
  7. Stand-up wheelchair according to claim 4, characterised in that the recesses (1b, 2b) are spaced at regular intervals from one another.
  8. Stand-up wheelchair according to claim 1, characterised in that longitudinal rails (1, 2) are articulated to one another at their trailing ends via a link plate (4).
  9. Stand-up wheelchair according to claim 1, characterised in that the longitudinal rails (1, 2) are provided with holes (1c, 2c) arranged in planes parallel to the slots (1a, 2a) and in each of which a locking pin (9, 9'), which is connected to the backrest (7), can engage.
  10. Stand-up wheelchair according to claim 9, characterised in that the holes 1c, 2c are spaced at regular intervals from one another.
  11. Stand-up wheelchair according to claim 1, characterised in that the backrest (7) is continuously adjustable.
EP06015425A 2005-08-08 2006-07-25 Stand-up wheelchair Not-in-force EP1752122B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06015425T PL1752122T3 (en) 2005-08-08 2006-07-25 Stand-up wheelchair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005038029A DE102005038029B3 (en) 2005-08-08 2005-08-08 Wheelchair, with a seat which can be raised and lowered, has slits in the rear ends of the longitudinal rails under the seat to take the lower end of the backrest with a sliding movement for seat height adjustment

Publications (2)

Publication Number Publication Date
EP1752122A1 EP1752122A1 (en) 2007-02-14
EP1752122B1 true EP1752122B1 (en) 2007-08-22

Family

ID=37074958

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06015425A Not-in-force EP1752122B1 (en) 2005-08-08 2006-07-25 Stand-up wheelchair

Country Status (10)

Country Link
US (1) US7419176B2 (en)
EP (1) EP1752122B1 (en)
JP (1) JP2007044502A (en)
CN (1) CN1911200B (en)
AT (1) ATE370716T1 (en)
DE (2) DE102005038029B3 (en)
ES (1) ES2290934T3 (en)
NO (1) NO20063584L (en)
PL (1) PL1752122T3 (en)
RU (1) RU2325144C1 (en)

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Also Published As

Publication number Publication date
PL1752122T3 (en) 2008-01-31
JP2007044502A (en) 2007-02-22
US7419176B2 (en) 2008-09-02
RU2006128729A (en) 2008-02-20
DE502006000069D1 (en) 2007-10-04
EP1752122A1 (en) 2007-02-14
CN1911200A (en) 2007-02-14
ATE370716T1 (en) 2007-09-15
NO20063584L (en) 2007-02-09
DE102005038029B3 (en) 2006-11-09
CN1911200B (en) 2010-06-23
RU2325144C1 (en) 2008-05-27
US20070045991A1 (en) 2007-03-01
ES2290934T3 (en) 2008-02-16

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