EP0834298A1 - Accessory for detachable fixation to seat assemblies - Google Patents

Accessory for detachable fixation to seat assemblies Download PDF

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Publication number
EP0834298A1
EP0834298A1 EP96115926A EP96115926A EP0834298A1 EP 0834298 A1 EP0834298 A1 EP 0834298A1 EP 96115926 A EP96115926 A EP 96115926A EP 96115926 A EP96115926 A EP 96115926A EP 0834298 A1 EP0834298 A1 EP 0834298A1
Authority
EP
European Patent Office
Prior art keywords
locking
fastening device
attachment
frame
axis
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.)
Granted
Application number
EP96115926A
Other languages
German (de)
French (fr)
Other versions
EP0834298B1 (en
Inventor
Manfred Köpke
Karl-Heinz Kunze
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ortopedia GmbH
Original Assignee
Ortopedia GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ortopedia GmbH filed Critical Ortopedia GmbH
Priority to EP96115926A priority Critical patent/EP0834298B1/en
Priority to DE59610458T priority patent/DE59610458D1/en
Priority to AT96115926T priority patent/ATE240708T1/en
Priority to DK96115926T priority patent/DK0834298T3/en
Priority to NO970202A priority patent/NO970202L/en
Priority to TW086110908A priority patent/TW342332B/en
Publication of EP0834298A1 publication Critical patent/EP0834298A1/en
Application granted granted Critical
Publication of EP0834298B1 publication Critical patent/EP0834298B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A47C7/54—Supports for the arms
    • A47C7/546—Supports for the arms of detachable type
    • 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
    • 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
    • A61G5/125—Rests specially adapted therefor, e.g. for the head or the feet for arms

Definitions

  • the present invention relates to an attachment, for example, an armrest for releasable attachment Seating, especially on electric or hand-operated wheelchairs.
  • Wheelchairs and other seating arrangements for in your People with reduced mobility are often modular built and can adapt to different User needs can be modified by characteristic technical elements such as armrests, Leg supports, holding devices, drive devices etc. are interchangeable or expandable as attachments. Thereby can the room for maneuver, security, function and appearance improved by wheelchairs or other seating arrangements will. Furthermore, these facilities for the Transport in vehicles can be dismantled, so that attachments as simple as possible, preferably dismantled by the user himself can be.
  • an attachment in particular an armrest for releasable attachment to a To create seating, in particular a wheelchair, that can be easily attached and removed.
  • this object is achieved by a Attachment, in particular an armrest for detachable Attachment to a seat device, especially one Wheelchair, with a first and a second Fastening device using a frame are interconnected and each one Locking device for positive releasable Locking the attachment on suitable recordings of the Have seat device, the locking device the second fastening device can be released by hand and the locking device of the first Fastening device by pivoting the frame around a preferably horizontal pivot axis can be released.
  • the Locking device of the first fastening device a first pivoted on an axis Locking lever, one end of which one Has locking section and the other end at the pivoting movement of the armrest frame around the pivot axis interacts with an actuator and thereby around the Axis is pivotable into an unlocking position.
  • the locking device preferably comprises the second Fastening device pivotable on an axis mounted second locking lever, one end of which has a locking portion and the other end thereof with a manually operable actuator cooperates and in an unlocked position is pivotable.
  • the attachment according to the invention has the advantage that when the attachment is removed, only the first fastening device is first loosened by hand and then the entire attachment is pivoted in a specific, defined direction.
  • the second fastening device is automatically released and the attachment can be removed.
  • a user therefore only has to release one lock directly while the second lock is released automatically with the pivoting movement.
  • This allows the attachment to be unlocked and removed using one-hand operation.
  • only a small force is required to release the second lock, since the entire add-on part acts as a lever when the pivoting movement and unlocking the further lock.
  • mounting only one fastening device has to be inserted into the corresponding attachment.
  • the attachment of the second fastening device is simplified in that the attachment is held as a whole during the pivoting movement and is guided in the direction of the second receptacle.
  • the armrest 1 shown in Fig. 1 as an example of an attachment part of a wheelchair comprises a frame part 6, the a front and a rear fastening device 4, 5 connects with each other.
  • the fasteners are in cylindrical receptacles 2 and 3 of the wheelchair insertable and locked in this position.
  • the front fastening device 4 comprises a cylindrical element, one end portion 29 so is designed so that it is in a corresponding inner cylindrical Recording 3 of the wheelchair can be inserted.
  • the other End region 30 is in one end of the frame 6 Inserted tube and by a transverse screw or rivet 31 rigidly connected to this.
  • a circulating radial projection on the cylindrical element forms one Stop for both the frame tube and the mount of the wheelchair.
  • any suitable Connection type such as gluing, welding, form or frictional connection can be selected.
  • the Fastening device can even be an integral part of the frame tube or with corresponding external or Internal threads to be screwed to this. Furthermore can the outer contour of both the frame tube and the cylindrical element can be chosen arbitrarily.
  • a locking lever 7 is rotatably or pivotably mounted on a transverse axis 8.
  • the locking lever has at its lower end a locking hook 14 which, in a position corresponding to the locking position, projects laterally beyond the outer circumference of the cylindrical element and in this position when the armrest is inserted into an opening in the opening 3 or at the lower edge engages the receptacle and prevents the armrest from being pulled out of the receptacle.
  • the hook 14 In the unlocked position, the hook 14 is located within the cylindrical element and does not hinder its insertion into the wheelchair receptacle.
  • the lower front region 13 of the hook 14 is slightly chamfered, so that the hook guides and facilitates the insertion of the armrest into the receptacle and the hook is pressed simultaneously in the direction of the unlocking position or into the cylindrical part.
  • the upper end 11 of the locking lever 7 engages in one Groove or recess 11 in a push button 10th is formed and forms an actuating element with this.
  • the push button is in a transverse bore 9 of the Fastening device used and guided therein.
  • a coil spring inside the push button 10 12 which preloaded the push button so that it from the Bore 9 in the cylindrical element or in the frame tube protrudes.
  • the Locking lever when the push button is not pressed in preloaded the locking position.
  • the Locking lever 14 By pressing the Button against the action of the spring 12 is the Locking lever 14 with an inner surface of the groove or Recess 11 brought into contact and within a certain angular range around the axis 8 in the Unlocked position pivoted.
  • locking device described with a swiveling hook which is operated by a push button
  • the rear fastening device 5 comprises two cylindrical elements 15 and 28 which are articulated with one another with a pivot axis 22.
  • the rear locking device 7-14 is accommodated in a hollow cylindrical part in the element 28.
  • the element or joint piece 15 connected in an articulated manner is rigidly connected to the frame tube 6 like the cylindrical element of the front fastening device. It can accordingly be screwed, riveted, welded, etc. to the frame tube in a suitable manner.
  • the cylindrical element 28 can be inserted into an inner cylindrical receptacle 2 of the seat device and also has a circumferential shoulder which serves as a stop.
  • the locking device 7-14 comprises a locking lever 19 which is rotatably or pivotably mounted on a transverse axis 21.
  • the locking lever has at its lower end a locking hook 24 which, in a position corresponding to the locking position, projects laterally beyond the outer circumference of the cylindrical element 28 and, when the armrest is inserted into the receptacle, into an opening in the receptacle 2 or on the lower edge of the receptacle engages and prevents the armrest from being pulled out of the holder.
  • the hook 19 In the unlocked position, the hook 19 is located within the cylindrical element 28 and thus does not hinder its insertion into the wheelchair receptacle.
  • the lower front region of the hook 24 can be slightly beveled, so that the hook facilitates the insertion of the armrest into the receptacle and the hook is pressed into the cylindrical part at the same time.
  • Coil spring 20 inserted into a hole in the lever 19 that the lever is always in the direction of Locked position preloaded or pushes.
  • tension spring can be used instead of a compression spring can also be used in a suitable manner attached tension spring can be used.
  • a contact surface 26 is provided, which can be brought into contact with an actuating surface 25 when the fastening device is pivoted about the pivot axis 22, which is located on the joint piece 15 and thus can be pivoted together with the latter and from a certain pivoting angle Locking lever 19 pivoted from the locking position into the unlocking position. In this position, the armrest can be removed from the holder
  • the actuating surface 25 is part of the joint piece 15 and is designed as a flat surface.
  • the actuating surface can also be designed as a curved surface, which is continuously in contact with a contact surface of the locking lever 19 and moves this into the unlocking position when the frame is pivoted about the pivot axis 22.
  • the pivot axis and the actuating surface or contour are arranged vertically and that the locking device of the rear fastening device is unlocked when the armrest is pivoted sideways.
  • the locking device to be released by hand can be provided at the rear end of the attachment, while the locking device actuated when pivoting is provided at the front end. 1 can also be laterally offset from one another. If, for example, a legrest is attached as an attachment, the receptacles or the corresponding attachment devices can also be arranged one above the other.

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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)
  • Seats For Vehicles (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Clamps And Clips (AREA)
  • Domestic Plumbing Installations (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Clips For Writing Implements (AREA)
  • Adornments (AREA)

Abstract

The arm-rest for detachably fastening to a seat e.g. wheelchair has two fasteners (5,4) joined together by a frame (6) and of which each has a locking device to give a positive locking connection to suitable mounts on the chair. The locking device for the second fastener is released by hand and that of the first fastener is released by swinging the frame around a pivot axis which is preferably horizontal. This locking device has a pivoted lever, one end having a locking section and the other end working with a surface of a counter-piece when the frame is swung out. The lever pivots into a release position.

Description

Die vorliegende Erfindung betrifft ein Anbauteil, beispielsweise eine Armlehne zur lösbaren Befestigung an Sitzeinrichtungen, insbesondere an elektrisch oder handgetriebenen Rollstühlen.The present invention relates to an attachment, for example, an armrest for releasable attachment Seating, especially on electric or hand-operated wheelchairs.

Rollstühle und andere Sitzeinrichtungen für in ihrer Beweglichkeit eingeschränkte Personen sind häufig modular aufgebaut und können in Anpassung an unterschiedliche Bedürfnisse der Benutzer modifiziert werden, indem charakteristische technische Elemente wie Armlehnen, Beinstützen, Halteeinrichtungen, Antriebseinrichtungen etc. als Anbauteile austauschbar oder erweiterbar sind. Dadurch können der Handlungsspielraum, Sicherheit, Funktion und Optik von Rollstühlen oder anderen Sitzeinrichtungen verbessert werden. Desweiteren sollen diese Einrichtungen für den Transport in Fahrzeugen zerlegbar sein, so daß Anbauteile möglichst einfach, vorzugsweise vom Benutzer selbst abgebaut werden können.Wheelchairs and other seating arrangements for in your People with reduced mobility are often modular built and can adapt to different User needs can be modified by characteristic technical elements such as armrests, Leg supports, holding devices, drive devices etc. are interchangeable or expandable as attachments. Thereby can the room for maneuver, security, function and appearance improved by wheelchairs or other seating arrangements will. Furthermore, these facilities for the Transport in vehicles can be dismantled, so that attachments as simple as possible, preferably dismantled by the user himself can be.

Beim Anbau müssen häufig mindestens zwei Befestigungseinrichtungen gleichzeitig in entsprechende Aufnahmen an der Sitzeinrichtung eingesteckt werden. Das An- und Abbauen bisheriger Anbauteile verlangt dem Benutzer oft erhebliche Geschicklichkeit und Kraft ab. Diese Fähigkeiten sind aber gerade bei den Personen, die derartige Einrichtungen benötigen, in der Regel eingeschränkt.When growing, at least two are often required Fasteners at the same time in corresponding Recordings can be inserted into the seat. The installation and removal of previous attachments requires that Users often depend on considerable skill and strength. This Skills are especially with the people who have such Facilities require, usually limited.

Es ist die Aufgabe der vorliegenden Erfindung, ein Anbauteil, insbesondere eine Armlehne zur lösbaren Befestigung an einer Sitzeinrichtung, insbesondere einem Rollstuhl, zu schaffen, das auf einfache Weise an- und abbaubar ist.It is the object of the present invention, an attachment, in particular an armrest for releasable attachment to a To create seating, in particular a wheelchair, that can be easily attached and removed.

Gelöst wird diese Aufgabe erfindungsgemäß durch ein Anbauteil, insbesondere eine Armlehne zur lösbaren Befestigung an einer Sitzeinrichtung, insbesondere einem Rollstuhl, mit einer ersten und einer zweiten Befestigungseinrichtung, die mittels eines Rahmens miteinander verbundenen sind und die jeweils eine Verriegelungseinrichtung zur formschlüssigen lösbaren Verriegelung des Anbauteils an geeigneten Aufnahmen der Sitzeinrichtung aufweisen, wobei die Verriegelungseinrichtung der zweiten Befestigungseinrichtung von Hand lösbar ist und die Verriegelungseinrichtung der ersten Befestigungseinrichtung durch Verschwenken des Rahmens um eine vorzugsweise horizontale Schwenkachse lösbar ist.According to the invention, this object is achieved by a Attachment, in particular an armrest for detachable Attachment to a seat device, especially one Wheelchair, with a first and a second Fastening device using a frame are interconnected and each one Locking device for positive releasable Locking the attachment on suitable recordings of the Have seat device, the locking device the second fastening device can be released by hand and the locking device of the first Fastening device by pivoting the frame around a preferably horizontal pivot axis can be released.

In einer bevorzugten Ausgestaltung umfaßt die Verriegelungseinrichtung der ersten Befestigungseinrichtung einen an einer Achse schwenkbar gelagerten ersten Verriegelungshebel, dessen eines Ende einen Verriegelungsabschnitt aufweist und dessen anderes Ende bei der Schwenkbewegung des Armlehnenrahmens um die Schwenkachse mit einem Betätigungselement zusammenwirkt und dabei um die Achse in eine Entriegelungsstellung verschwenkbar ist.In a preferred embodiment, the Locking device of the first fastening device a first pivoted on an axis Locking lever, one end of which one Has locking section and the other end at the pivoting movement of the armrest frame around the pivot axis interacts with an actuator and thereby around the Axis is pivotable into an unlocking position.

Vorzugsweise umfaßt die Verriegelungseinrichtung der zweiten Befestigungseinrichtung einen an einer Achse schwenkbar gelagerten zweiten Verriegelungshebel, dessen eines Ende einen Verriegelungsabschnittaufweist und dessen anderes Ende mit einem von Hand betätigbaren Betätigungselement zusammenwirkt und dabei in eine Entriegelungsstellung verschwenkbar ist.The locking device preferably comprises the second Fastening device pivotable on an axis mounted second locking lever, one end of which has a locking portion and the other end thereof with a manually operable actuator cooperates and in an unlocked position is pivotable.

Das erfindungsgemäße Anbauteil bietet den Vorteil, daß beim Abbau des Anbauteils zunächst nur die erste Befestigungsvorrichtung von Hand gelöst wird und dann das gesamte Anbauteil in einer bestimmten, definierten Richtung verschwenkt wird. Bei der Verschwenkung wird die zweite Befestigungseinrichtung automatisch gelöst und das Anbauteil kann abgenommen werden. Ein Benutzer muß also nur noch eine Verriegelung direkt lösen während sich die zweite Verriegelung automatisch mit der Schwenkbewegung löst. Dadurch kann das Anbauteil mittels Einhandbedienung entriegelt und abgenommen werden.
Gleichzeitig ist zum Lösen der zweiten Verriegelung nur eine geringe Kraft erforderlich, da das gesamte Anbauteil bei der Schwenkbewegung und dem Entriegeln der weiteren Verriegelung als Hebel wirkt.
Beim Anbau muß nur eine Befestigungsvorrichtung in das entsprechende Anbauteil eingesetzt werden. Die Befestigung der zweiten Befestigungsvorrichtung ist dadurch vereinfacht, daß das Anbauteil bei der Schwenkbewegung insgesamt gehalten und in Richtung auf die zweite Aufnahme geführt wird.The attachment according to the invention has the advantage that when the attachment is removed, only the first fastening device is first loosened by hand and then the entire attachment is pivoted in a specific, defined direction. When pivoting, the second fastening device is automatically released and the attachment can be removed. A user therefore only has to release one lock directly while the second lock is released automatically with the pivoting movement. This allows the attachment to be unlocked and removed using one-hand operation.
At the same time, only a small force is required to release the second lock, since the entire add-on part acts as a lever when the pivoting movement and unlocking the further lock.
When mounting, only one fastening device has to be inserted into the corresponding attachment. The attachment of the second fastening device is simplified in that the attachment is held as a whole during the pivoting movement and is guided in the direction of the second receptacle.

Im folgenden ist eine bevorzugte Ausgestaltung der Erfindung am Beispiel einer Armlehne für einen Rollstuhl anhand der Zeichung genauer erläutert. Darin zeigen:

  • Fig. 1 eine Seitenansicht und eine Draufsicht auf eine Armlehne für einen Rollstuhl,
  • Fig. 2 eine teilweise geschnittene Ansicht einer vorderen Befestigungsvorrichtung der Armlehne von Fig. 1 und
  • Fig. 3 eine teilweise geschnittene Ansicht einer hinteren Befestigungsvorrichtung der Armlehne von Fig. 1.
    • A preferred embodiment of the invention is explained in more detail below using the example of an armrest for a wheelchair with reference to the drawing. In it show:
  • 1 is a side view and a plan view of an armrest for a wheelchair,
  • Fig. 2 is a partially sectioned view of a front fastening device of the armrest of Fig. 1 and
  • 3 is a partially sectioned view of a rear fastening device of the armrest of FIG. 1st

    • Die in Fig. 1 dargestellte Armlehne 1 als ein Beispiel für ein Anbauteil eines Rollstuhls umfaßt ein Rahmenteil 6, das eine vordere und eine hintere Befestigungsvorrichtung 4, 5 miteinander verbindet. Die Befestigungsvorrichtungen sind in zylindrische Aufnahmen 2 und 3 des Rollstuhls einsteckbar und in dieser Stellung verriegelt. Am Rahmen sind eine Armauflage sowie eine flächige Verkleidung befestigt.The armrest 1 shown in Fig. 1 as an example of an attachment part of a wheelchair comprises a frame part 6, the a front and a rear fastening device 4, 5 connects with each other. The fasteners are in cylindrical receptacles 2 and 3 of the wheelchair insertable and locked in this position. There is an armrest on the frame and a flat cladding attached.

    Zum Abbau der Armlehne wird die Verriegelung der vorderen Befestigungsvorrichtung 4 durch Betätigen eines Druckknopfes 10 von Hand gelöst. Die Armlehne wird sodann in Richtung A um ein Schwenkgelenk 22 an der hinteren Befestigungsvorrichtung 5 verschwenkt. Dabei wird die Verriegelung der hinteren Befestigungsvorrichtung betätigt und gelöst.To remove the armrest, lock the front Fastening device 4 by pressing a push button 10 solved by hand. The armrest is then turned in the A direction a pivot joint 22 on the rear fastening device 5 pivoted. This will lock the rear Fastening device actuated and released.

    Die vordere Befestigungsvorrichtung 4 umfaßt gemäß Fig. 2 ein zylindrisches Element, dessen einer Endbereich 29 so gestaltet ist, daß er in eine entsprechende innenzylindrische Aufnahme 3 des Rollstuhls eingesteckt werden kann. Der andere Endbereich 30 ist in ein Ende des den Rahmen 6 bildenden Rohres eingesetzt und durch eine quer verlaufende Schraube oder Niete 31 mit diesem starr verbunden. Ein umlaufender radialer Vorsprung an dem zylindrischen Element bildet einen Anschlag sowohl für das Rahmenrohr als auch für die Aufnahme des Rollstuhls.According to FIG. 2, the front fastening device 4 comprises a cylindrical element, one end portion 29 so is designed so that it is in a corresponding inner cylindrical Recording 3 of the wheelchair can be inserted. The other End region 30 is in one end of the frame 6 Inserted tube and by a transverse screw or rivet 31 rigidly connected to this. A circulating radial projection on the cylindrical element forms one Stop for both the frame tube and the mount of the wheelchair.

    Statt dieser dargestellten Befestigung kann jede geeignete Verbindungsart wie Kleben, Schweißen, form- oder reibschlüssiges Verbinden gewählt werden. Die Befestigungseinrichtung kann sogar ein integraler Bestandteil des Rahmenrohres sein oder mit entsprechenden Außen- bzw. Innengewinden mit diesem verschraubt sein. Desweiteren kann die Außenkontur sowohl des Rahmenrohrs wie auch des zylindrischen Elements beliebig gewählt werden.Instead of this attachment shown, any suitable Connection type such as gluing, welding, form or frictional connection can be selected. The Fastening device can even be an integral part of the frame tube or with corresponding external or Internal threads to be screwed to this. Furthermore can the outer contour of both the frame tube and the cylindrical element can be chosen arbitrarily.

    Im zylindrischen Element ist ein Verriegelungshebel 7 auf einer quer verlaufenden Achse 8 dreh- bzw. schwenkbar gelagert. Der Verriegelungshebel weist an seinem unteren Ende einen Verriegelungshaken 14 auf, der in einer der Verriegelungsstellung entsprechenden Stellung seitlich über den Außenumfang des zylindrischen Elements hinaus vorsteht und in dieser Stellung bei in die Aufnahme eingesetzter Armlehne in eine Öffnung in der Aufnahme 3 bzw. an der Unterkante der Aufnahme eingreift und ein Herausziehen der Armlehne aus der Aufnahme verhindert. In der Entriegelungsstellung befindet sich der Haken 14 innerhalb des zylindrischen Elements und behindert so nicht das Einführen desselben in die Aufnahme des Rollstuhls.
    Zusätzlich ist der untere vordere Bereich 13 des Hakens 14 leicht abgeschrägt, so daß der Haken das Einführen der Armlehne in die Aufnahme führt und erleichtert und der Haken dabei gleichzeitig in Richtung der Entriegelungsstellung bzw. in den zylindrischen Teil gedrückt wird.    In the cylindrical element, a locking lever 7 is rotatably or pivotably mounted on a transverse axis 8. The locking lever has at its lower end a locking hook 14 which, in a position corresponding to the locking position, projects laterally beyond the outer circumference of the cylindrical element and in this position when the armrest is inserted into an opening in the opening 3 or at the lower edge engages the receptacle and prevents the armrest from being pulled out of the receptacle. In the unlocked position, the hook 14 is located within the cylindrical element and does not hinder its insertion into the wheelchair receptacle.
    In addition, the lower front region 13 of the hook 14 is slightly chamfered, so that the hook guides and facilitates the insertion of the armrest into the receptacle and the hook is pressed simultaneously in the direction of the unlocking position or into the cylindrical part.

    Das obere Ende 11 des Verriegelungshebels 7 greift in eine Nut oder Ausnehmung 11 ein, die in einem Drucknopf 10 ausgebildet ist und mit diesem ein Betätigungselement bildet. Der Druckknopf ist in eine quer verlaufende Bohrung 9 der Befestigungsvorrichtung eingesetzt und darin geführt. Im Inneren des Druckknopfes 10 befindet sich eine Spiralfeder 12, die den Drucknopf so vorbelastet, daß dieser aus der Bohrung 9 im zylindrischen Element bzw. im Rahmenrohr vorsteht. Gleichzeitig wird durch die Spiralfeder der Verriegelungshebel bei Nichtbetätigung des Druckknopfes in die Verriegelungsstellung vorbelastet. Durch Drücken des Knopfes gegen die Wirkung der Feder 12 wird der Verriegelungshebel 14 mit einer Innenfläche der Nut bzw. Ausnehmung 11 in Berührung gebracht und dabei innerhalb eines bestimmten Winkelbereichs um die Achse 8 in die Entriegelungsstellung verschwenkt.The upper end 11 of the locking lever 7 engages in one Groove or recess 11 in a push button 10th is formed and forms an actuating element with this. The push button is in a transverse bore 9 of the Fastening device used and guided therein. in the There is a coil spring inside the push button 10 12, which preloaded the push button so that it from the Bore 9 in the cylindrical element or in the frame tube protrudes. At the same time the Locking lever when the push button is not pressed in preloaded the locking position. By pressing the Button against the action of the spring 12 is the Locking lever 14 with an inner surface of the groove or Recess 11 brought into contact and within a certain angular range around the axis 8 in the Unlocked position pivoted.

    Statt der beschriebenen Verriegelungseinrichtung mit einem schwenkbaren Haken, der durch einen Druckknopf betätigt wird, kann jeder andere geeignete von Hand lösbare formschlüssige Verriegelungsmechanismus zur Verriegelung der Befestigungsvorrichtung mit der Aufnahme, beispielsweise eine federbelastete Kugel, die in eine Bohrung gedrückt wird oder ein an einem elastischen Metallstreifen befestigter Zapfen, der in eine Bohrung eingreift, in der ersten Befestigungsvorrichtung verwendet werden.Instead of the locking device described with a swiveling hook, which is operated by a push button, can be any other suitable hand-releasable positive Locking mechanism for locking the Fastening device with the receptacle, for example a spring-loaded ball that is pressed into a hole or a pin attached to an elastic metal strip, which engages in a hole in the first Fastening device can be used.

    Die hintere Befestigungsvorrichtung 5 umfaßt gemäß Fig. 3 zwei mit einer Schwenkachse 22 gelenkig miteinander verbundene zylindrische Elemente 15 und 28. Im Element 28 ist die hintere Verriegelungseinrichtung 7-14 in einem hohlzylindrischen Teil aufgenommen. Das damit gelenkig verbundene Element bzw. Gelenkstück 15 ist wie das zylindrische Element der vorderen Befestigungsvorrichtung mit dem Rahmenrohr 6 starr verbunden. Es kann demnach wie dieses auf geeignete Weise mit dem Rahmenrohr verschraubt, vernietet, verschweißt usw. sein.
    Das zylindrische Element 28 ist wie das zylindrische Element der vorderen Befestigungsvorrichtung in eine innenzylindrische Aufnahme 2 der Sitzeinrichtung einsteckbar und weist ebenfalls einen umlaufenden Absatz auf, der als Anschlag dient.    According to FIG. 3, the rear fastening device 5 comprises two cylindrical elements 15 and 28 which are articulated with one another with a pivot axis 22. The rear locking device 7-14 is accommodated in a hollow cylindrical part in the element 28. The element or joint piece 15 connected in an articulated manner is rigidly connected to the frame tube 6 like the cylindrical element of the front fastening device. It can accordingly be screwed, riveted, welded, etc. to the frame tube in a suitable manner.
    Like the cylindrical element of the front fastening device, the cylindrical element 28 can be inserted into an inner cylindrical receptacle 2 of the seat device and also has a circumferential shoulder which serves as a stop.

    Die Verriegelungseinrichtung 7-14 umfaßt einen Verriegelungshebel 19, der auf einer quer verlaufenden Achse 21 dreh- bzw. schwenkbar gelagert ist. Der Verriegelungshebel weist an seinem unteren Ende einen Verriegelungshaken 24 auf, der in einer der Verriegelungsstellung entsprechenden Stellung seitlich über den Außenumfang des zylindrischen Elements 28 hinaus vorsteht und bei in die Aufnahme eingesetzter Armlehne in eine Öffnung in der Aufnahme 2 bzw. an der Unterkante der Aufnahme eingreift und ein Herausziehen der Armlehne aus der Aufnahme verhindert. In der Entriegelungsstellung befindet sich der Haken 19 innerhalb des zylindrischen Elements 28 und behindert so nicht das Einführen desselben in die Aufnahme des Rollstuhls.
    Zusätzlich kann der untere vordere Bereich des Hakens 24 leicht abgeschrägt sein, so daß der Haken das Einführen der Armlehne in die Aufnahme erleichtert und der Haken dabei gleichzeitig in den zylindrischen Teil gedrückt wird.     The locking device 7-14 comprises a locking lever 19 which is rotatably or pivotably mounted on a transverse axis 21. The locking lever has at its lower end a locking hook 24 which, in a position corresponding to the locking position, projects laterally beyond the outer circumference of the cylindrical element 28 and, when the armrest is inserted into the receptacle, into an opening in the receptacle 2 or on the lower edge of the receptacle engages and prevents the armrest from being pulled out of the holder. In the unlocked position, the hook 19 is located within the cylindrical element 28 and thus does not hinder its insertion into the wheelchair receptacle.
    In addition, the lower front region of the hook 24 can be slightly beveled, so that the hook facilitates the insertion of the armrest into the receptacle and the hook is pressed into the cylindrical part at the same time.

    Im oberen Teil des Verriegelungshebels 19 ist eine Spiralfeder 20 so in eine Bohrung des Hebels 19 eingesetzt, daß sie den Hebel ständig in Richtung der Verriegelungsstellung vorbelastet bzw. drückt. An Stelle einer Druckfeder kann aber auch eine auf geeignete Weise angebrachte Zugfeder verwendet werden.In the upper part of the locking lever 19 is one Coil spring 20 inserted into a hole in the lever 19 that the lever is always in the direction of Locked position preloaded or pushes. Instead of a compression spring can also be used in a suitable manner attached tension spring can be used.

    Am oberen Ende des Verriegelungshebels 19 ist eine Kontaktfläche 26 vorgesehen, die beim Verschwenken der Befestigungsvorrichtung um die Schwenkachse 22 mit einer Betätigungsfläche 25 in Berührung bringbar ist, die sich an dem Gelenkstück 15 befindet und somit zusammen mit diesem verschwenkbar ist und ab einem bestimmten Schwenkwinkel den Verriegelungshebel 19 von der Verriegelungsstellung in die Entriegelungsstellung verschwenkt.
    In dieser Stellung kann die Armlehne aus der Aufnahme abgenommen werden    At the upper end of the locking lever 19, a contact surface 26 is provided, which can be brought into contact with an actuating surface 25 when the fastening device is pivoted about the pivot axis 22, which is located on the joint piece 15 and thus can be pivoted together with the latter and from a certain pivoting angle Locking lever 19 pivoted from the locking position into the unlocking position.
    In this position, the armrest can be removed from the holder

    In der gezeigten Ausführungsform ist die Betätigungsfläche 25 Bestandteil des Gelenkstücks 15 und als ebene Fläche ausgebildet. Die Betätigungsfläche kann aber auch als Kurvenfläche ausgebildet sein, die kontinuierlich in Anlage mit einer Kontaktfläche des Verriegelungshebels 19 steht und diesen bei der Verschwenkung des Rahmens um die Schwenkachse 22 in die Entriegelungsstellung bewegt.
    Ebenso ist es denkbar, daß die Schwenkachse sowie die Betätigungsfläche oder -kontur senkrecht angeordnet sind und die Entriegelung der Verriegelungseinrichtung der hinteren Befestigungsvorrichtung bei seitlicher Verschwenkung der Armlehne erfolgt. In weiteren, nicht dargestellten Abwandlungen kann die von Hand zu lösende Verriegelungseinrichtung am hinteren Ende des Anbauteils vorgesehen werden, während die beim Verschwenken betätigte Verriegelungseinrichtung am vorderen Ende vorgesehen ist. Die Befestigungsvorrichtungen können gemäß Fig. 1 auch seitlich zueinander versetzt sein. Wird als Anbauteil beispielsweise eine Beinstütze befestigt, können die Aufnahmen bzw. die entsprechenden Befestigungsvorrichtungen auch übereinander angeordnet sein.    In the embodiment shown, the actuating surface 25 is part of the joint piece 15 and is designed as a flat surface. However, the actuating surface can also be designed as a curved surface, which is continuously in contact with a contact surface of the locking lever 19 and moves this into the unlocking position when the frame is pivoted about the pivot axis 22.
    It is also conceivable that the pivot axis and the actuating surface or contour are arranged vertically and that the locking device of the rear fastening device is unlocked when the armrest is pivoted sideways. In further modifications, not shown, the locking device to be released by hand can be provided at the rear end of the attachment, while the locking device actuated when pivoting is provided at the front end. 1 can also be laterally offset from one another. If, for example, a legrest is attached as an attachment, the receptacles or the corresponding attachment devices can also be arranged one above the other.

    Claims (6)

    Anbauteil, insbesondere Armlehne zur lösbaren Befestigung an einer Sitzeinrichtung, insbesondere einem Rollstuhl, mit
       einer ersten und einer zweiten Befestigungsvorrichtung (5,4), die mittels eines Rahmens (6) miteinander verbundenen sind und die jeweils eine Verriegelungseinrichtung (19-23, 7-14) zur formschlüssigen lösbaren Verriegelung des Anbauteils an geeigneten Aufnahmen (3,2) der Sitzeinrichtung aufweisen, wobei die Verriegelungseinrichtung (7-14) der zweiten Befestigungsvorrichtung (4) von Hand lösbar ist und die Verriegelungseinrichtung (19-23) der ersten Befestigungsvorrichtung (5) durch Verschwenken des Rahmens (6) um eine vorzugsweise horizontale Schwenkachse (22) lösbar ist.    Attachment, in particular armrest for releasable attachment to a seat device, in particular a wheelchair, with
    a first and a second fastening device (5, 4) which are connected to one another by means of a frame (6) and each have a locking device (19-23, 7-14) for the form-fitting, releasable locking of the attachment to suitable receptacles (3, 2) of the seat device, the locking device (7-14) of the second fastening device (4) being detachable by hand and the locking device (19-23) of the first fastening device (5) by pivoting the frame (6) about a preferably horizontal pivot axis (22 ) is solvable.         Anbauteil gemäß Anspruch 1, wobei die Verriegelungseinrichtung (19-23) der ersten Befestigungsvorrichtung (5) einen an einer Achse (21) schwenkbar gelagerten ersten Verriegelungshebel (19) umfaßt, dessen eines Ende einen Verriegelungsabschnitt (24) aufweist und dessen anderes Ende bei der Schwenkbewegung des Rahmens (6) um die Schwenkachse (22) mit einer Fläche (25) eines Gelenkstücks (15) zusammenwirkt, wobei der Verriegelungshebel (19) um die Achse (21) in eine Entriegelungsstellung verschwenkbar ist.Attachment according to claim 1, wherein the Locking device (19-23) of the first Fastening device (5) on one axis (21) comprises pivotably mounted first locking lever (19), one end of which has a locking section (24) and the other end when the frame pivots (6) around the pivot axis (22) with a surface (25) Joint piece (15) cooperates, the locking lever (19) around the axis (21) in an unlocked position is pivotable. Anbauteil gemäß Anspruch 1 oder 2, wobei die Verriegelungseinrichtung (7-14) der zweiten Befestigungsvorrichtung (4) einen an einer Achse (8) schwenkbar gelagerten zweiten Verriegelungshebel (7) umfaßt, dessen eines Ende einen Verriegelungsabschnitt (14) aufweist und dessen anderes Ende mit einem von Hand betätigbaren Betätigungselement (10,11) zusammenwirkt und dabei um die Achse (8) in eine Entriegelungsstellung verschwenkbar ist.Attachment according to claim 1 or 2, wherein the Locking device (7-14) of the second Fastening device (4) on one axis (8) includes pivotably mounted second locking lever (7), one end of which has a locking section (14) and the other end with a hand-operated Actuating element (10, 11) interacts and thereby around the Axis (8) is pivotable into an unlocking position. Anbauteil gemäß Anspruch 2 oder 3, wobei der Verriegelungshebel (19,7) der ersten und/oder der zweiten Verriegelungseinrichtung mittels einer Feder (20,12) in eine Verriegelungsstellung vorbelastet ist.Attachment according to claim 2 or 3, wherein the Locking lever (19.7) of the first and / or the second Locking device by means of a spring (20, 12) in a Locked position is preloaded. Anbauteil gemäß einem der vorstehenden Ansprüche, wobei die zweite Befestigungseinrichtung (4) ein Element aufweist, in dem die zweite Verriegelungseinrichtung (7-14) aufgenommen ist und dessen einer Endbereich (30) mit dem Rahmen (6) verbunden ist und dessen anderer Endbereich (29) in eine zylindrische Aufnahme der Sitzeinrichtung einsteckbar ist.Attachment according to one of the preceding claims, wherein the second fastening device (4) has an element, in which the second locking device (7-14) is added and of which one end region (30) with the frame (6) is connected and its other end region (29) into one cylindrical receptacle of the seat device can be inserted. Anbauteil gemäß einem der vorstehenden Ansprüche, wobei die erste Befestigungseinrichtung (5) zwei mit der Schwenkachse (22) gelenkig miteinander verbundene Elemente (15,28) aufweist, wobei in einem der Elemente die Verriegelungseinrichtung (7-14) aufgenommen ist und dieses Element (28) in eine zylindrische Aufnahme der Sitzeinrichtung einsteckbar ist und wobei das andere Element (15) mit dem Rahmen (6) verbunden ist.Attachment according to one of the preceding claims, wherein the first fastening device (5) two with the Swivel axis (22) articulated elements (15,28), where in one of the elements Locking device (7-14) is included and this Element (28) in a cylindrical receptacle Seat device is insertable and being the other element (15) is connected to the frame (6).
    EP96115926A 1996-10-04 1996-10-04 Accessory for detachable fixation to seat assemblies Expired - Lifetime EP0834298B1 (en)

    Priority Applications (6)

    Application Number Priority Date Filing Date Title
    EP96115926A EP0834298B1 (en) 1996-10-04 1996-10-04 Accessory for detachable fixation to seat assemblies
    DE59610458T DE59610458D1 (en) 1996-10-04 1996-10-04 Attachment for detachable attachment to seating
    AT96115926T ATE240708T1 (en) 1996-10-04 1996-10-04 ATTACHMENT FOR DETACHABLE FASTENING TO SEATING EQUIPMENT
    DK96115926T DK0834298T3 (en) 1996-10-04 1996-10-04 Accessory part for detachable fastening on seating devices
    NO970202A NO970202L (en) 1996-10-04 1997-01-16 Mounting part for detachable fastening on a seating device
    TW086110908A TW342332B (en) 1996-10-04 1997-07-30 Attachment detachably mounted to a seat

    Applications Claiming Priority (1)

    Application Number Priority Date Filing Date Title
    EP96115926A EP0834298B1 (en) 1996-10-04 1996-10-04 Accessory for detachable fixation to seat assemblies

    Publications (2)

    Publication Number Publication Date
    EP0834298A1 true EP0834298A1 (en) 1998-04-08
    EP0834298B1 EP0834298B1 (en) 2003-05-21

    Family

    ID=8223267

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP96115926A Expired - Lifetime EP0834298B1 (en) 1996-10-04 1996-10-04 Accessory for detachable fixation to seat assemblies

    Country Status (6)

    Country Link
    EP (1) EP0834298B1 (en)
    AT (1) ATE240708T1 (en)
    DE (1) DE59610458D1 (en)
    DK (1) DK0834298T3 (en)
    NO (1) NO970202L (en)
    TW (1) TW342332B (en)

    Cited By (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    CN103800147A (en) * 2012-11-14 2014-05-21 镇江艾康医疗器械有限公司 Improved detachable armrest of wheelchair
    CN106691726A (en) * 2015-08-20 2017-05-24 吉芮医疗器械（上海）有限公司 Wheelchair armrest locking device

    Citations (4)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    GB2047528A (en) * 1979-04-03 1980-12-03 Vessa Ltd Wheelchair having a detachable armrest
    US4768797A (en) * 1987-01-28 1988-09-06 Everest & Jennings Folding wheelchair having adjustable wheels and armrests
    US5462380A (en) * 1994-11-10 1995-10-31 Labac Systems, Inc. Detent
    US5544940A (en) * 1994-12-12 1996-08-13 Quickie Designs Inc. Pivotal rear latch assembly for an armrest apparatus for a wheelchair

    Patent Citations (4)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    GB2047528A (en) * 1979-04-03 1980-12-03 Vessa Ltd Wheelchair having a detachable armrest
    US4768797A (en) * 1987-01-28 1988-09-06 Everest & Jennings Folding wheelchair having adjustable wheels and armrests
    US5462380A (en) * 1994-11-10 1995-10-31 Labac Systems, Inc. Detent
    US5544940A (en) * 1994-12-12 1996-08-13 Quickie Designs Inc. Pivotal rear latch assembly for an armrest apparatus for a wheelchair

    Cited By (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    CN103800147A (en) * 2012-11-14 2014-05-21 镇江艾康医疗器械有限公司 Improved detachable armrest of wheelchair
    CN106691726A (en) * 2015-08-20 2017-05-24 吉芮医疗器械（上海）有限公司 Wheelchair armrest locking device
    CN106691726B (en) * 2015-08-20 2019-01-22 吉芮医疗器械（上海）有限公司 Wheelchair vehicle handrail locking device

    Also Published As

    Publication number Publication date
    EP0834298B1 (en) 2003-05-21
    DE59610458D1 (en) 2003-06-26
    TW342332B (en) 1998-10-11
    NO970202L (en) 1998-04-06
    DK0834298T3 (en) 2003-09-15
    NO970202D0 (en) 1997-01-16
    ATE240708T1 (en) 2003-06-15

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