EP0815822B1 - Stand-up wheelchair - Google Patents

Stand-up wheelchair Download PDF

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Publication number
EP0815822B1
EP0815822B1 EP97810375A EP97810375A EP0815822B1 EP 0815822 B1 EP0815822 B1 EP 0815822B1 EP 97810375 A EP97810375 A EP 97810375A EP 97810375 A EP97810375 A EP 97810375A EP 0815822 B1 EP0815822 B1 EP 0815822B1
Authority
EP
European Patent Office
Prior art keywords
chassis
wheelchair
shaft
frame
vertically extendible
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.)
Expired - Lifetime
Application number
EP97810375A
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German (de)
French (fr)
Other versions
EP0815822A1 (en
Inventor
Bruno Meyer
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Levo AG Dottikon
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Levo AG Dottikon
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Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4214512&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0815822(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Levo AG Dottikon filed Critical Levo AG Dottikon
Publication of EP0815822A1 publication Critical patent/EP0815822A1/en
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Classifications

    • 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
    • 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
    • A61G5/1054—Large wheels, e.g. higher than the seat portion
    • 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
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A61G5/128—Rests specially adapted therefor, e.g. for the head or the feet for feet
    • 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
    • Y10S297/10—Occupant-arising assist

Definitions

  • the invention relates to an erect wheelchair with a Chassis and a seat and a backrest having erection frame, which is pivotable on Chassis is articulated and a footrest, which at Transition from the sitting position to the upright position on the Floor is lowered.
  • EP-A-0 065 129 describes one Upright wheelchair with a chassis with two main wheels and two steering wheels and one on the chassis a drive mechanism relative to an axis of rotation swiveling erection frame.
  • the erection frame points a seat and a backrest.
  • the footrests are hinged to the seat in such a way that in the upright position of the Lie chair on the floor.
  • the raising and lowering of the An erection frame is used by an electric motor.
  • a similar erecting wheelchair, but not one Electric motor is described in EP-A-0 159 562 described.
  • There is a gas spring on this wheelchair provided that exerts a force on the erection frame to counteract the weight of the user and so the Support the user's uprighting movement. So that the User can erect, handles are provided on which the user can use to exert a force on the To reduce the seat weight.
  • a Blocking device By a Blocking device, the seat in the sitting position or an upright position are blocked. Because of this Raising wheelchair no electric motor and none to it Drive has the necessary batteries, it has one much smaller weight than that in EP-A-0 065 129 erecting wheelchair described.
  • the chair in accordance with FR-A-2,697,418 is in two parts Footrest articulated to seat 4. This is in turn articulated to a support, which in turn is articulated to the chassis. So there are three articulation points between the footrest and the chassis which are detrimental to stability.
  • the Footrest has at least one shaft, which in the Framework of the Chassis translational is guided, and that the erection frame over a Link with the shaft of the footrest articulated connected is.
  • the footrest has a guide in the chassis, it has one much higher stability than an articulated one Footrest. They are not detrimental to stability There are articulation points between the chassis and the footrest. The feared by users of erection chairs Pendulum movement of the footrest is avoided.
  • the shaft of the footrest is expediently in one Pipe section of the chassis guided telescopically. It poses the pipe section as an integral part of the chassis stationary part of a two-part footrest becomes a very stable management of the Footrest reached.
  • a separate footrest can be provided for each foot be. But a common footrest is advantageous Support of both feet of the chair user is provided and points a shaft on both sides, and the chassis has a pipe section on both sides to guide the corresponding one Shaft. Due to the double-sided guidance of the footrest achieved a particularly high stability.
  • the stand can have two arms on both sides Have lever, the shorter arm on the corresponding Link is articulated.
  • An advantageous embodiment provides that the piece of pipe that guides the shaft of the footrest serves, in the upper part a slot for one from the side Shaft projecting pin on which the Link is articulated. That’s what happens Link to lie close to the seat and is in the Use of the chair by the user practically looks withdrawn. The lifting wheelchair therefore does not awaken anyone overly technical impression. But it would also be possible the link further down where the stem from the Pipe piece protrudes to link.
  • the erecting wheelchair 10 shown in FIGS. 1 to 3 consists in a conventional manner of the chassis 11 with a A pair of front wheels 13 and a pair of rear wheels 15, one Seat 17 and a backrest 19 erecting frame 21, and a footrest 23 with a footrest 24.
  • the chassis 11 is a tubular construction with two Side frame 25, which by struts 27, 28 together are connected.
  • the chassis 11 is therefore a stable structure.
  • the erection frame 21 is articulated at 32 on the chassis 11.
  • the erection frame 21 supports the seat 17 and the backrest 19 and is designed in a known manner so that the backrest 19 practically the same in almost every position of the chair vertical position.
  • the erection movement from the position of Figure 1 in the Position of Figure 2 is by at least one gas spring 33rd supported.
  • the control means for releasing and blocking the Gas springs are not shown.
  • the handles, which do not allow the user to stand up marked as not for understanding the invention are important.
  • the chassis 11 on the front on both Sides has a pipe section 35, in which a shaft 37 of the Footrest 23 is guided telescopically.
  • the pipe section 35 can be part of the tubular structure of the side frame 25.
  • a telescopic guide would also be other guides conceivable, e.g. a dovetail guide.
  • the erection frame 21 is connected to the shaft 37 via a connecting link 39 Footrest connected in an articulated manner in such a way that the footrest 23 when the erecting wheelchair moves upright is moved.
  • the erection frame 21 has one two-armed lever 41, the shorter arm 43 with the Joint 45 is articulated on the connecting member 39.
  • the Link 39 in turn is on a hinge 47 on Articulated shaft 37.
  • a pin serves as the joint 47. This Pin 47 protrudes through a slot 49 in the upper part of the Pipe section 35.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Health & Medical Sciences (AREA)
  • Handcart (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Bipolar Transistors (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Chairs Characterized By Structure (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Special Chairs (AREA)

Abstract

The wheelchair has a travel chassis (11), on which a stand-up frame with seat (17) and backrest (19) hinges. On movement from the sitting to the stand-up position a foot-support (23) is lowered to the ground. The support has one or more stems (37) by which it is guided in the travel chassis. The stem is coupled by a link (39) to the stand-up frame (21). The stem can be arranged to telescope inside a tubular member (35) of the travel chassis. The support can accommodate both feet, having a stem on each side working in a tubular chassis-member. The frame can have a double-armed lever (41) on each side, and whose shorter arm (43) is coupled to the respective link (39).

Description

Die Erfindung betrifft einen Aufrichtrollstuhl mit einem Fahrgestell und einem einen Sitz und eine Rückenlehne aufweisenden Aufrichtgestell, welches verschwenkbar am Fahrgestell angelenkt ist und einer Fussstütze, welche beim Uebergang von der Sitzstellung in die Aufrechtstellung auf den Boden abgesenkt wird.The invention relates to an erect wheelchair with a Chassis and a seat and a backrest having erection frame, which is pivotable on Chassis is articulated and a footrest, which at Transition from the sitting position to the upright position on the Floor is lowered.

So beschreibt beispielsweise die EP-A-0 065 129 einen Aufrichtrollstuhl mit einem Fahrgestell mit zwei Haupträdern und zwei Lenkrädern und einem am Fahrgestell gelagerten durch einen Antriebsmechanismus relativ um eine Drehachse verschwenkbaren Aufrichtgestell. Das Aufrichtgestell weist einen Sitz und eine Rückenlehne auf. Die Fussstützen sind derart am Sitz angelenkt, dass sie in der Aufrichtstellung des Stuhls auf dem Boden aufliegen. Dem Aufrichten und Absenken des Aufrichtgestells dient ein Elektromotor.For example, EP-A-0 065 129 describes one Upright wheelchair with a chassis with two main wheels and two steering wheels and one on the chassis a drive mechanism relative to an axis of rotation swiveling erection frame. The erection frame points a seat and a backrest. The footrests are hinged to the seat in such a way that in the upright position of the Lie chair on the floor. The raising and lowering of the An erection frame is used by an electric motor.

Ein ähnlicher Aufrichtrollstuhl, welcher jedoch keinen Elektromotor aufweist, wird durch die EP-A-0 159 562 beschrieben. Bei diesem Aufrichtrollstuhl ist eine Gasfeder vorgesehen, die auf das Aufrichtgestell eine Kraft ausübt, um dem Gewicht des Benützers entgegenzuwirken und so die Aufrichtbewegung des Benützers zu unterstützen. Damit sich der Benützer aufrichten kann, sind Handgriffe vorgesehen, auf welche der Benützer eine Kraft ausüben kann, um das auf den Sitz wirkende Gewicht zu verkleinern. Durch eine Blockiervorrichtung kann der Sitz in der Sitzstellung bzw. einer Aufrichtstellung blockiert werden. Da dieser Aufrichtrollstuhl keinen Elektromotor und auch keine zu dessen Antrieb notwendige Batterien aufweist, besitzt er ein wesentlich kleineres Gewicht als der in der EP-A-0 065 129 beschriebene Aufrichtrollstuhl.A similar erecting wheelchair, but not one Electric motor is described in EP-A-0 159 562 described. There is a gas spring on this wheelchair provided that exerts a force on the erection frame to counteract the weight of the user and so the Support the user's uprighting movement. So that the User can erect, handles are provided on which the user can use to exert a force on the To reduce the seat weight. By a Blocking device, the seat in the sitting position or an upright position are blocked. Because of this Raising wheelchair no electric motor and none to it Drive has the necessary batteries, it has one much smaller weight than that in EP-A-0 065 129 erecting wheelchair described.

In den letzten Jahren sind grosse Anstrengungen unternommen worden, um das Gewicht von Aufrichtrollstühlen weiter zu verkleinern. Dies wurde in erster Linie durch den Ersatz der Stahlrohrkonstruktionen durch Aluminiumrohrkonstruktionen erreicht. Teilweise wurde das verminderte Gewicht aber auch durch verminderte Stabilität der Konstruktion erkauft. Bereits bei den Aufrichtrollstühlen gemäss den zitierten EP 0 065 129 und 0 159 562 wurde die geringe Stabilität der Fussstützen von den Benützern der Aufrichtrollstühle als störend befunden. Bei diesen Aufrichtrollstühlen weisen die Fussstützen einen Schaft auf, der etwa in Kniehöhe des Benützers am Aufrichtgestell angelenkt ist und etwas weiter unten mit einem Verbindungsglied gelenkig mit dem Fahrgestell verbunden ist. Diese Konstruktion hat den Nachteil, dass die Fussstützen eine geringe Stabilität aufweisen. Bereits geringe Kräfte genügen, um eine seitliche Pendelbewegung auszulösen, was den Benützer des Aufrichtstuhls verunsichern kann. Den gleichen Nachteil weist auch der Aufrichtrollstuhl gemäss der PCT-Anmeldung WO 79/00647 auf. Bei diesem Aufrichtrollstuhl ist jeweils der obere Teil einer zweiteiligen Fussstütze etwa in Kniehöhe des Benützers am Fahrgestell angelenkt und etwas weiter unten ist der teleskopisch verschiebbare untere Teil mit einem Verbindungsglied mit dem Aufrichtgestell verbunden.Great efforts have been made in recent years been to increase the weight of erect wheelchairs downsize. This was done primarily by replacing the Steel tube structures through aluminum tube structures reached. In part, the reduced weight was also bought through reduced stability of the construction. Already in the erecting wheelchairs according to EP 0 065 129 cited and 0 159 562 the low stability of the footrests was from found the users of the erect wheelchairs bothersome. At the footrests of these erect wheelchairs have a shaft on the knee height of the user on the erection frame is articulated and a little further down with a connecting link is articulated to the chassis. This construction has the disadvantage that the footrests have little stability exhibit. Even small forces are sufficient to make a lateral Pendulum movement trigger what the user of the erecting chair can unsettle. The has the same disadvantage Raising wheelchair according to PCT application WO 79/00647. At this upright wheelchair is the upper part of each two-part footrest at about the user's knee height at Chassis articulated and a little further down is the telescopic lower part with a Link connected to the erection frame.

Beim Stuhl gemäss der FR-A-2,697,418 ist die zweiteilige Fussstütze gelenkig mit dem Sitz 4 verbunden. Dieser ist wiederum mit einem Support gelenkig verbunden, der seinerseits mit dem Fahrgestell gelenkig verbunden ist. Es sind somit zwischen der Fussstütze und dem Fahrgestell drei Gelenkstellen vorhanden, welche der Stabilität abträglich sind.The chair in accordance with FR-A-2,697,418 is in two parts Footrest articulated to seat 4. This is in turn articulated to a support, which in turn is articulated to the chassis. So there are three articulation points between the footrest and the chassis which are detrimental to stability.

Es ist daher Aufgabe der vorliegenden Erfindung, einen Aufrichtstuhl der eingangs erwähnten Gattung derart zu verbessern, dass er trotz geringem Gewicht eine hohe Stabilität aufweist. Er soll aber auch ästhetischen Ansprüchen genügen, indem Hebelmechanismen möglichst versteckt unter den Sitz zu liegen kommen.It is therefore an object of the present invention to Raising chair of the type mentioned at the beginning improve that he is high stability despite light weight having. But it should also meet aesthetic requirements, by lever mechanisms hidden as possible under the seat come to lie.

Erfindungsgemäss wird dies dadurch erreicht, dass die Fussstütze mindestens einen Schaft aufweist, der im Rahmen des Fahrgestells translatorisch geführt ist, und dass das Aufrichtgestell über ein Verbindungsglied mit dem Schaft der Fussstütze gelenkig verbunden ist.According to the invention this is achieved in that the Footrest has at least one shaft, which in the Framework of the Chassis translational is guided, and that the erection frame over a Link with the shaft of the footrest articulated connected is.

Da im Gegensatz zum bekannten Stand der Technik die Fussstütze eine Führung im Fahrgestell aufweist, besitzt sie eine wesentlich höhere Stabilität als eine gelenkig angeordnete Fussstütze. Es sind keine der Stabilität abträgliche Gelenkstellen zwischen Fahrgestell und Fussstütze vorhanden. Die von den Benutzern von Aufrichtstühlen gefürchtete Pendelbewegung der Fussstütze wird vermieden.In contrast to the known prior art, the footrest has a guide in the chassis, it has one much higher stability than an articulated one Footrest. They are not detrimental to stability There are articulation points between the chassis and the footrest. The feared by users of erection chairs Pendulum movement of the footrest is avoided.

Zweckmässigerweise ist der Schaft der Fussstütze in einem Rohrstück des Fahrgestells teleskopisch geführt. Dabei stellt das Rohrstück als integraler Teil des Fahrgestells den stationären Teil einer zweiteiligen Fussstütze dar. Dadurch wird auf einfache Weise eine sehr stabile Führung der Fussstütze erreicht.The shaft of the footrest is expediently in one Pipe section of the chassis guided telescopically. It poses the pipe section as an integral part of the chassis stationary part of a two-part footrest becomes a very stable management of the Footrest reached.

Es kann für jeden Fuss eine separate Fussstütze vorgesehen sein. Vorteilhaft ist aber eine gemeinsame Fussstütze zur Stützung beider Füsse des Stuhlbenützers vorgesehen und weist auf beiden Seiten einen Schaft auf, und das Fahrgestell besitzt auf beiden Seiten ein Rohrstück zur Führung des entsprechenden Schafts. Durch die doppelseitige Führung der Fussstütze wird eine besonders hohe Stabilität erreicht.A separate footrest can be provided for each foot be. But a common footrest is advantageous Support of both feet of the chair user is provided and points a shaft on both sides, and the chassis has a pipe section on both sides to guide the corresponding one Shaft. Due to the double-sided guidance of the footrest achieved a particularly high stability.

Das Aufrichtgestell kann auf beiden Seiten einen zweiarmigen Hebel aufweisen, dessen kürzerer Arm am entsprechenden Verbindungsglied angelenkt ist. Dies ergibt eine einfache Konstruktion. Eine vorteilhafte Ausführungform sieht vor, dass das Rohrstück, welches der Führung des Schafts der Fussstütze dient, im oberen Teil einen Schlitz für einen seitlich aus dem Schaft ragenden Zapfen aufweist, an welchem das Verbindungsglied angelenkt ist. Dadurch kommt das Verbindungsglied nahe unter den Sitz zu liegen und wird im Gebrauch des Stuhls vom Benützer praktisch den Blicken entzogen. Der Aufrichtrollstuhl erweckt deshalb keinen übermässig technisierten Eindruck. Es wäre aber auch möglich, das Verbindungsglied weiter unten, wo der Schaft aus dem Rohrstück ragt, anzulenken.The stand can have two arms on both sides Have lever, the shorter arm on the corresponding Link is articulated. This makes it easy Construction. An advantageous embodiment provides that the piece of pipe that guides the shaft of the footrest serves, in the upper part a slot for one from the side Shaft projecting pin on which the Link is articulated. That’s what happens Link to lie close to the seat and is in the Use of the chair by the user practically looks withdrawn. The lifting wheelchair therefore does not awaken anyone overly technical impression. But it would also be possible the link further down where the stem from the Pipe piece protrudes to link.

Ein Ausführungsbeispiel wird nun unter Bezugnahme auf die Zeichnung näher beschrieben. Es zeigt:

Fig. 1
einen Schnitt des Aufrichtrollstuhls in der Sitzstellung,
Fig.2
einen Schnitt des Aufrichtrollstuhls von Fig.1 in der Aufrichtstellung und
Fig.3
ein Detail des Mechanismus zum Absenken der Fussstütze von vorn gesehen.
An embodiment will now be described with reference to the drawing. It shows:
Fig. 1
a section of the erecting wheelchair in the sitting position,
Fig. 2
a section of the erecting wheelchair of Fig.1 in the erecting position and
Fig. 3
a detail of the mechanism for lowering the footrest seen from the front.

Der in den Figuren 1 bis 3 dargestellte Aufrichtrollstuhl 10 besteht in herkömmlicher Weise aus dem Fahrgestell 11 mit einem Paar Vorderräder 13 und einem Paar Hinterräder 15, einem einen Sitz 17 und eine Rückenlehne 19 aufweisendem Aufrichtgestell 21, sowie einer Fussstütze 23 mit einer Fussauflage 24.The erecting wheelchair 10 shown in FIGS. 1 to 3 consists in a conventional manner of the chassis 11 with a A pair of front wheels 13 and a pair of rear wheels 15, one Seat 17 and a backrest 19 erecting frame 21, and a footrest 23 with a footrest 24.

Das Fahrgestell 11 wird durch eine Rohrkonstruktion mit zwei Seitenrahmen 25, welche durch Streben 27, 28 miteinander verbunden sind, gebildet. Das Fahrgestell 11 ist daher ein stabiles Gebilde.The chassis 11 is a tubular construction with two Side frame 25, which by struts 27, 28 together are connected. The chassis 11 is therefore a stable structure.

Das Aufrichtgestell 21 ist bei 32 am Fahrgestell 11 angelenkt. Das Aufrichtgestell 21 trägt den Sitz 17 und die Rückenlehne 19 und ist in bekannter Weise so ausgebildet, dass die Rückenlehne 19 in jeder Stellung des Stuhls praktisch die gleiche, nahezu senkrechte Lage einnimmt.The erection frame 21 is articulated at 32 on the chassis 11. The erection frame 21 supports the seat 17 and the backrest 19 and is designed in a known manner so that the backrest 19 practically the same in almost every position of the chair vertical position.

Die Aufrichtbewegung aus der Stellung von Figur 1 in die Stellung von Figur 2 wird durch mindestens eine Gasfeder 33 unterstützt. Die Steuermittel zum Lösen und Blockieren der Gasfeder sind nicht eingezeichnet. Ebenso sind die Handgriffe, welche es dem Benützer ermöglichen sich aufzurichten, nicht eingezeichnet, da sie für das Verständnis der Erfindung nicht von Bedeutung sind.The erection movement from the position of Figure 1 in the Position of Figure 2 is by at least one gas spring 33rd supported. The control means for releasing and blocking the Gas springs are not shown. Likewise, the handles, which do not allow the user to stand up marked as not for understanding the invention are important.

Wesentlich ist nun, dass das Fahrgestell 11 vorne auf beiden Seiten ein Rohrstück 35 aufweist, in welchen ein Schaft 37 der Fussstütze 23 teleskopisch geführt ist. Das Rohrstück 35 kann ein Teil der Rohrkonstruktion des Seitenrahmens 25 sein. Statt einer teleskopischen Führung wären auch andere Führungen denkbar, z.B. eine Schwalbenschwanzführung. Das Aufrichtgestell 21 ist über ein Verbindungsglied 39 mit dem Schaft 37 der Fussstütze derart gelenkig verbunden, dass die Fussstütze 23 bei einer Aufrichtbewegung des Aufrichtrollstuhls nach unten bewegt wird. Zu diesem Zweck weist das Aufrichtgestell 21 einen zweiarmigen Hebel 41 auf, dessen kürzerer Arm 43 mit über das Gelenk 45 am Verbindungsglied 39 angelenkt ist. Das Verbindungsglied 39 seinerseits ist über ein Gelenk 47 am Schaft 37 angelenkt. Als Gelenk 47 dient ein Zapfen. Dieser Zapfen 47 ragt durch einen Schlitz 49 im oberen Teil des Rohrstücks 35.It is now essential that the chassis 11 on the front on both Sides has a pipe section 35, in which a shaft 37 of the Footrest 23 is guided telescopically. The pipe section 35 can be part of the tubular structure of the side frame 25. Instead of a telescopic guide would also be other guides conceivable, e.g. a dovetail guide. The erection frame 21 is connected to the shaft 37 via a connecting link 39 Footrest connected in an articulated manner in such a way that the footrest 23 when the erecting wheelchair moves upright is moved. For this purpose, the erection frame 21 has one two-armed lever 41, the shorter arm 43 with the Joint 45 is articulated on the connecting member 39. The Link 39 in turn is on a hinge 47 on Articulated shaft 37. A pin serves as the joint 47. This Pin 47 protrudes through a slot 49 in the upper part of the Pipe section 35.

Wie aus der Zeichnung ersichtlich ist, wird bei der Aufrichtbewegung aus der Stellung von Figur 1 in die Stellung von Figur 2 der Hebelarm 43 nach unten verschwenkt, so dass er über das Verbindungsglied 39 die Fussstütze 23 nach unten bewegt, bis sie am Boden aufliegt. Umgekehrt wird bei einer Bewegung aus der Aufrichtstellung in die Sitzstellung die Fussstütze 23 wieder nach oben bewegt, wie dies aus Figur 1 ersichtlich ist. Dieser Mechanismus enthält keinerlei über die Sitzfläche 17 vorstehende Teile, welche eine Transfer des Benützers, wie sie beispielsweise zum Aufsteigen auf einen Toilettensitz erwünscht ist, behindern würden.As can be seen from the drawing, the Raising movement from the position of Figure 1 in the position of Figure 2, the lever arm 43 pivoted down so that it the footrest 23 downward via the connecting member 39 moved until it lies on the floor. Conversely, one Movement from the upright position to the sitting position The footrest 23 is moved upward again, as shown in FIG. 1 can be seen. This mechanism contains nothing about that Seat 17 protruding parts, which a transfer of User, as for example to climb on one Toilet seat is desired, would hinder.

Claims (7)

  1. Vertically extendible wheelchair having a chassis (11) and a vertically extendible frame, which comprises a seat (17) and a back rest (19) and which is pivotally articulated to the chassis (11), and having a foot support (23), which on movement of said wheelchair from the sitting position to the upright position is lowered to the ground, characterised in that the foot support (23) comprises at least one shaft (37), which is guided for translatory movement in the frame (25, 27, 28) of the chassis (11), and that the vertically extendible frame (21) is pivotally connected to the shaft (37) of the foot support (23) by way of a connection member (39).
  2. Vertically extendible wheelchair according to claim 1, characterised in that the shaft (37) of the foot support is guided telescopically in a tubular member (35) of the chassis (11).
  3. Vertically extendible wheelchair according to claim 1 or 2, characterised in that the foot support (23) is formed for the purpose of supporting both of the wheelchair user's feet and comprises a shaft (37) on both sides, and that the chassis (11) has a tubular member (35) on both sides for the purpose of guiding the corresponding shaft (37).
  4. Vertically extendible wheelchair according to any one of the claims 1 to 3, characterised in that the vertically extendible frame (21) comprises on each side a two-armed lever (41), whose shorter arm (43) is articulated to the corresponding connection member (39).
  5. Vertically extendible wheelchair according to any one of the claims 2 to 4, characterised in that the tubular member (35), which serves to guide the shaft (37) of the foot support (23), comprises in the upper part a slot (49) for a pin (47), which protrudes laterally out of the shaft (37) and to which the connection member (39) is articulated.
  6. Vertically extendible wheelchair according to any one of the claims 1 to 5, characterised in that the chassis (11) comprises two lateral frames (25), which are interconnected by stays (27, 28).
  7. Vertically extendible wheelchair according to claim 6, characterised in that the tubular member (35) forms part of the lateral frame (25).
EP97810375A 1996-06-27 1997-06-13 Stand-up wheelchair Expired - Lifetime EP0815822B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1612/96 1996-06-27
CH161296 1996-06-27

Publications (2)

Publication Number Publication Date
EP0815822A1 EP0815822A1 (en) 1998-01-07
EP0815822B1 true EP0815822B1 (en) 1999-01-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP97810375A Expired - Lifetime EP0815822B1 (en) 1996-06-27 1997-06-13 Stand-up wheelchair

Country Status (6)

Country Link
US (1) US5984338A (en)
EP (1) EP0815822B1 (en)
AT (1) ATE175862T1 (en)
DE (1) DE59700082D1 (en)
DK (1) DK0815822T3 (en)
ES (1) ES2128192T3 (en)

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DE102004034634A1 (en) * 2003-10-14 2005-05-19 Klaus Gierse Dynamic stomach posture correction device for wheelchair users, comprises stomach support extendible from dorsal vertical support
DE102005038029B3 (en) * 2005-08-08 2006-11-09 Otto Bock Healthcare Ip Gmbh & Co. Kg 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
DE202007018454U1 (en) 2007-09-18 2008-07-31 Otto Bock Healthcare Ip Gmbh & Co. Kg Raising wheelchair with anatomical back compensation
EP2039335A1 (en) 2007-09-18 2009-03-25 Otto Bock HealthCare IP GmbH & Co. KG Stand-up wheelchair
DE202009013889U1 (en) 2009-10-13 2010-04-15 Motion-Solution Gmbh adjustment
EP2311421A2 (en) 2009-10-13 2011-04-20 In-Tra-Tec GmbH Delordosing device
EP2926790A1 (en) 2014-03-13 2015-10-07 Handicare B.V. Upright wheelchair with a chassis, and a seat arranged pivotably on the chassis
US10314751B2 (en) 2014-03-04 2019-06-11 Levo Ag Wohlen Stand-up wheelchair
US10792200B1 (en) 2019-04-06 2020-10-06 RapAdapt LLC Assistive mobility device
US11813212B2 (en) 2019-04-06 2023-11-14 Rapadapt Corporation Assistive mobility device

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CH695010A5 (en) 2001-09-21 2005-11-15 Levo Ag Stand-up wheelchair.
CH694982A5 (en) 2001-09-21 2005-10-31 Levo Ag Stand-up wheelchair.
SE522825C2 (en) * 2003-05-05 2004-03-09 Arjo Hospital Equipment Ab Patient chair has chassis and undercarriage, with seat arrangement connected to chassis for patient, drive being provided for moving seat arrangement in height direction relatively to undercarriage
TW590768B (en) * 2003-05-12 2004-06-11 Advantek Taiwan Inc Wheelchair structure
US7000988B2 (en) * 2003-08-12 2006-02-21 Universal Product Development Company, Llc Lift chair
US6851751B1 (en) * 2003-09-29 2005-02-08 Clifford J. Romero Wheelchair seat lift apparatus
GB2412847B (en) * 2004-04-07 2006-10-11 Charles Basil Firth Wheelchair with elevating seat
EP1789278A2 (en) 2004-08-16 2007-05-30 Hill-Rom Services, Inc. Chair
EP1802219A2 (en) 2004-08-16 2007-07-04 Kenneth L. Kramer Home care equipment system
US7614639B2 (en) * 2004-10-12 2009-11-10 Invacare Corporation Modular standing frame
CH697181A5 (en) * 2005-03-02 2008-06-25 Levo Ag Seating unit for use in wheel chairs comprises seating surface, back support,leg supports, upright frame which is adjustable and a carriage frame
CA2601470C (en) * 2005-03-30 2014-09-23 Jaimie Borisoff A height adjustable wheelchair
US20070034434A1 (en) * 2005-08-12 2007-02-15 Wu's Tech Co., Ltd. Liftable seat frame of electric scooter
FR2890855B1 (en) * 2005-09-20 2007-12-14 Lifestand Vivre Debout Soc Res VERTICALIZING SEAT WITH MEANS FOR ADJUSTING THE INCLINATION OF THE FOOTREST IN A VERTICALIZED POSITION.
JP2007244817A (en) * 2006-03-15 2007-09-27 Tc Lab:Kk Electric wheelchair with elevating function
GB0610313D0 (en) * 2006-05-24 2006-07-05 Firth Charles B Wheelchair with elevating seat
FR2901997B1 (en) * 2006-06-07 2009-05-15 Lifestand Vivre Debout Soc A R VERTICALIZING SEAT WITH TILTING BACKREST
CH712922B1 (en) 2007-07-13 2018-03-15 Levo Ag Wohlen Erecting unit for raising wheelchairs and therapy devices.
US8123664B2 (en) * 2008-01-22 2012-02-28 Invacare Corp. Seat
US8844961B2 (en) 2010-04-27 2014-09-30 Levo Ag Wohlen Stand-up unit for stand-up wheelchairs and chairs, particularly therapy chairs
US8104835B2 (en) * 2008-07-08 2012-01-31 Invacare Corp. Standing frame with supine mode
NL2002681C2 (en) * 2009-03-27 2010-09-28 Deprofundis B V ASSISTANT DEVICE TO BE ADDED TO A WHEELCHAIR WITH STEP AID AND STABILIZERS, AND A WHEELCHAIR INTEGRATED.
EP2525759B1 (en) 2010-01-20 2017-12-20 The UAB Research Foundation Transport chairs
US10426677B2 (en) 2010-01-20 2019-10-01 The Uab Research Foundation Reclining transport chairs
DE102010014126B4 (en) * 2010-04-07 2011-11-10 Ferdinand Lusch Gmbh & Co. Kg Seating furniture with a seat pivotable in a standing-up assistance position
US20120126601A1 (en) * 2010-11-18 2012-05-24 Smith Vincent J System, method and apparatus for assisting with standing from a seat
WO2013041972A2 (en) * 2011-09-20 2013-03-28 Maurer Balz Stabilized raising wheelchair
DE102012102699B4 (en) * 2012-03-29 2013-10-17 medica - Medizintechnik GmbH Aufstehtrainer
CN102697612A (en) * 2012-06-20 2012-10-03 上海电机学院 Stair climbing wheelchair capable of crossing obstacles and method for controlling ascending and descending thereof
CN102697614A (en) * 2012-06-29 2012-10-03 上海电机学院 Stand-assisting stair-climbing wheelchair
CN102715991A (en) * 2012-07-09 2012-10-10 上海电机学院 Wheelchair capable of crossing obstacles and assisting in standing and auxiliary standing method
WO2014109825A1 (en) 2013-01-08 2014-07-17 Robbins Lloyd L Transfer accessible vehicle for disabled person
CA2912396A1 (en) 2013-05-17 2014-11-20 Dane Technologies, Inc. Devices relating to multifunctional aircraft aisle wheelchair
US9421138B1 (en) * 2013-10-14 2016-08-23 Neil Slater Self-propelling standing commode wheelchair
CN104814843A (en) * 2015-05-06 2015-08-05 上海电机学院 Multifunctional free chair
CN106667682A (en) * 2015-11-09 2017-05-17 吉芮医疗器械（上海）有限公司 Standing type wheelchair
CN107349059A (en) * 2016-05-09 2017-11-17 贝珍医疗器械(上海)有限公司 A kind of multi-functional recovering aid electric wheelchair
US10292502B2 (en) * 2016-08-31 2019-05-21 Omar Emad Hamid Foldable chair
RU2645614C1 (en) * 2016-12-02 2018-02-26 Пётр Владимирович Кондратьев Functional toilet chair for disabled
CN106726188A (en) * 2016-12-08 2017-05-31 浙江工业大学 A kind of electric boosted chair
US10888476B2 (en) * 2018-05-27 2021-01-12 Mohammad Fakhrizadeh Standing chair
NL2026723B1 (en) * 2020-10-21 2022-06-28 Anthonius Johannes Tolboom seating arrangement

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FR2697418B1 (en) * 1992-11-05 1994-12-23 Mario Konior Multiposition seating, particularly for disabled people.

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004034634A1 (en) * 2003-10-14 2005-05-19 Klaus Gierse Dynamic stomach posture correction device for wheelchair users, comprises stomach support extendible from dorsal vertical support
DE102004034634B4 (en) * 2003-10-14 2005-09-15 Klaus Gierse Dynamic stomach posture correction device for wheelchair users, comprises stomach support extendible from dorsal vertical support
DE102005038029B3 (en) * 2005-08-08 2006-11-09 Otto Bock Healthcare Ip Gmbh & Co. Kg 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
DE102008024745B4 (en) * 2007-09-18 2012-02-16 Otto Bock Healthcare Gmbh Stand-up wheelchair
EP2039335A1 (en) 2007-09-18 2009-03-25 Otto Bock HealthCare IP GmbH & Co. KG Stand-up wheelchair
WO2009036737A1 (en) 2007-09-18 2009-03-26 Otto Bock Healthcare Ip Gmbh & Co. Kg Stand-up wheelchair
DE102008024745A1 (en) 2007-09-18 2009-04-02 Otto Bock Healthcare Ip Gmbh & Co. Kg Stand-up wheelchair, has backrest connected to seat in articulated manner, where angle between backrest and seat is changed to another angle during change of tilt angle of seat from horizontal line
DE102007044832A1 (en) 2007-09-18 2009-04-02 Otto Bock Healthcare Ip Gmbh & Co. Kg Stand-up wheelchair
DE202007018454U1 (en) 2007-09-18 2008-07-31 Otto Bock Healthcare Ip Gmbh & Co. Kg Raising wheelchair with anatomical back compensation
US7891695B2 (en) 2007-09-18 2011-02-22 Otto Bock Healthcare Gmbh Upright wheelchair
EP2311421A2 (en) 2009-10-13 2011-04-20 In-Tra-Tec GmbH Delordosing device
DE102010022386A1 (en) 2009-10-13 2011-12-15 In-Tra-Tec GmbH Entlordosierungsvorrichtung
DE202009013889U1 (en) 2009-10-13 2010-04-15 Motion-Solution Gmbh adjustment
DE102010022386B4 (en) * 2009-10-13 2015-10-29 In-Tra-Tec GmbH Entlordosierungsvorrichtung
US10314751B2 (en) 2014-03-04 2019-06-11 Levo Ag Wohlen Stand-up wheelchair
US10874566B2 (en) 2014-03-04 2020-12-29 Levo Ag Wohlen Stand up wheelchair
EP2926790A1 (en) 2014-03-13 2015-10-07 Handicare B.V. Upright wheelchair with a chassis, and a seat arranged pivotably on the chassis
US10792200B1 (en) 2019-04-06 2020-10-06 RapAdapt LLC Assistive mobility device
US11813212B2 (en) 2019-04-06 2023-11-14 Rapadapt Corporation Assistive mobility device

Also Published As

Publication number Publication date
ATE175862T1 (en) 1999-02-15
EP0815822A1 (en) 1998-01-07
DK0815822T3 (en) 1999-09-13
DE59700082D1 (en) 1999-03-04
US5984338A (en) 1999-11-16
ES2128192T3 (en) 1999-05-01

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