EP0198957B1 - Wheel chair for invalids - Google Patents

Wheel chair for invalids Download PDF

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Publication number
EP0198957B1
EP0198957B1 EP85115777A EP85115777A EP0198957B1 EP 0198957 B1 EP0198957 B1 EP 0198957B1 EP 85115777 A EP85115777 A EP 85115777A EP 85115777 A EP85115777 A EP 85115777A EP 0198957 B1 EP0198957 B1 EP 0198957B1
Authority
EP
European Patent Office
Prior art keywords
wheelchair according
rail
spacer
mounting
rails
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
EP85115777A
Other languages
German (de)
French (fr)
Other versions
EP0198957A3 (en
EP0198957A2 (en
Inventor
Günter Meier
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.)
Guenter Meier GmbH
Original Assignee
Guenter Meier GmbH
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Filing date
Publication date
Application filed by Guenter Meier GmbH filed Critical Guenter Meier GmbH
Priority to AT85115777T priority Critical patent/ATE75596T1/en
Publication of EP0198957A2 publication Critical patent/EP0198957A2/en
Publication of EP0198957A3 publication Critical patent/EP0198957A3/en
Application granted granted Critical
Publication of EP0198957B1 publication Critical patent/EP0198957B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A61G5/12—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
    • A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
    • 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
    • A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
    • A61G5/0808—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction
    • A61G5/0816—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction folding side to side, e.g. reducing or expanding the overall width of the wheelchair
    • A61G5/0825—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction folding side to side, e.g. reducing or expanding the overall width of the wheelchair comprising a scissor-type frame, e.g. having pivoting cross bars for enabling folding
    • 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
    • A61G5/125—Rests specially adapted therefor, e.g. for the head or the feet for arms
    • 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
    • Y10S297/04—Wheelchair

Definitions

  • the invention relates to a medical elevator with two articulated struts arranged by crosswise and pivotable about a common, horizontal axis, formed from upright and horizontal spars, on which steerable front wheels and preferably manually drivable larger rear wheels are rotatably arranged and on which upward , backrest spars holding a backrest, depending on the folding movement, can be moved up and down, seat spars carrying a seat surface and a footrest are supported by means of support arms.
  • FIG. 1 designates two side frames of a foldable medical chair (wheelchair), which are constructed identically, but are mirror-inverted in a few individual parts and are arranged in both side areas of the medical chair.
  • articulated struts 3 preferably a total of four articulated struts 3 each arranged in pairs, which are held at a distance from one another by a crosswise horizontal axis and pointing in the direction of travel of the hospital elevator and preferably movable in order to fold the hospital elevator connected to one another by reducing the side frames 1 at a distance from one another and bringing them close together in the non-use position.
  • Each side frame 1 has a rectangular basic shape (side view) and is made in one piece from plastic.
  • each side frame 1 has a front upright support bar 4, an upright guide bar 5 provided at a distance behind it and an upright guide bar 6 arranged at a distance behind it.
  • These three bars 4 to 6 are replaced by two between the bars 4 and 5 and 5 and 6 extending, horizontal spacers 7 are preferably held at the same distance from one another, these spacers 7 running in the upper longitudinal end region of the upright spars 4 to 6 and forming the spar ends 4a to 6a which protrude above these spacers 7.
  • the two guide bars 5, 6 have the same length (height) and the middle guide bar 5 shows at its lower end a horizontal bearing sleeve 8 which runs in the direction of travel and extends beyond the guide bar 5 on both sides, while the rear guide bar 6 at its lower end has one in the direction of travel extending bearing spar 9 holds, which also protrudes on both sides over the guide spar 6 and extends coaxially to the bearing sleeve 8.
  • a horizontal spacer 10 extending in the direction of travel extends between the bearing bar 4 and the guide bar 5, which runs at a distance above the bearing sleeve 8 and connects to the lower end of the shorter bearing bar 4.
  • a horizontal fastening stub 11 which runs in the direction of travel, is attached to the rear guide bar 6 and is shorter in length than the lower, parallel bar 9.
  • the upright bearing and guide bars 4 to 6 and thus the resulting mounting pieces 4a to 6a, the horizontal bearing bar 9 and the horizontal bearing sleeve 8 are formed by tubes, the horizontal spacers 7 and the mounting pieces 11 are also designed as tubes and the horizontal spacer 10 is formed by a full or hollow rod with a circular, angular or rounded corner section.
  • the pipes 4 to 7, 8, 9 and 11 have a circular cross section.
  • two spaced-apart bearing plates 12 are formed with receiving holes, on which a support arm 14 of a front footrest 15 can be detachably fixed.
  • a molded, web-shaped stiffener 16 runs between the bearing bar 4 and the spacer 10 and the spacer and the guide bar 5 and the bearing sleeve 8.
  • All of the aforementioned parts 4 to 12 and 16 are made in one piece from plastic to the side frame 1 in terms of manufacture and, furthermore, web-shaped stiffeners 17 are integrally formed in support of the bearing plates 12 between them and the bearing beam 4, so that the entire side frame 1 forms a unit.
  • Each pair of the two articulated struts 3 is equipped at the lower end of the length with a horizontal bearing tube 18 which extends coaxially between the bearing sleeve 8 and the bearing bar 9 and which pivotably engages in these two parts 8, 9 with a pivot axis, not shown.
  • the upper end of the pairs of articulated struts 3 is fastened to a horizontal seat spar 19 which extends in the direction of travel and which rotatably engages through two bearing sleeves 20, each of which has a guide spar 21 directed downward; one of the guide bars 21 in the middle (5) and the second guide bar 21 in the rear guide bar 6 and these, the seat bar 19 carrying guide bars 21 are vertically displaceable in the guide bars 5, 6 of the side frame 1 and move when folded Side frame 1 via the hinge struts 3 in the guide bars 5, 6 up or down (for the use position in the guide bars 5, 6 and for the folding position out of the guide bars 5, 6) (cf. FIG. 5).
  • These two seat spars 19 each carry a flexible seat 22 in the form of a tarpaulin, a cloth or the like made of leather, synthetic leather, textile, plastic or the like, which automatically takes part in the folding and unfolding.
  • an axle block 23 with a plurality of axle holes 24, which are recessed at a distance from one another (next to and on top of one another) and arranged to accommodate a rear wheel axle 25, is arranged around the guide bar 6, spacer 7 and fastening piece 11;
  • This axle block 23 is divided into two parts and overlaps the frame parts 6, 7, 11 in the joint area from both sides and is fastened to these parts 6, 7, 11 by screws or the like.
  • the larger, preferably manually drivable rear wheel 26 is mounted with its axle 25 in an axle hole 24; Due to the large number of axle holes 24, rear wheels 26 of different sizes can optionally be attached to the axle block 23.
  • each axle block 23 receives an upright backrest spar 27 with its lower end, which is designed at the upper end to form a handle 29 bent against the direction of travel.
  • a backrest 28 is fastened between the two backrest bars 27 and is designed to be flexible in accordance with the seat surface 22.
  • the two front wheels 3o are steerable and smaller than the non-steerable rear wheels 26 and are each rotatably supported in a fork 31; this fork 31 engages with an upright steering axle 32 in a bearing sleeve 33 and is fastened with this bearing sleeve 33 to the side frame 1 at the point of contact between the bearing bar 4 and the spacer 10 by means of screw 34 and by means of a screw attached to the bearing sleeve 33 and resting against the spacer 10 fixed by a screw 35 on the spacer 1o held web 36.
  • In the spacer 1o one or more holes 37 are excluded for the fixing of the web 36, so that front wheels 3o with different webs 36 can be fixed on the side frame 1 in addition to the bearing sleeve fastening.
  • an upright bearing pin 13 is fixed and in this bearing pin 13 a support arm 14 of the footrest 15, preferably the foot plate, is hung with tabs 38.
  • the position of the support arms 14 pointing forward in the direction of travel can be achieved by a support plate 39 extending on the support arm 14 between the tabs 38 and a locking pin 4o, in which the support plate 39 rests on the bearing bar 4 and the locking pin 4o in the bore 41 of the bearing bar 4 is held and engages in a bore 42 of the contact plate 39 (see. Fig. 1,3 and 5).
  • a larger or a smaller side part 43, 44 according to FIGS. 1, 2, 6 to 10 can be detachably attached to the two side frames 1.
  • receiving pieces 45 made of plastic fastened like a clamp, each showing a vertical insertion slot 46, into which the side part 43, 44 is inserted with underside webs 47, so that it runs upright and in extension of the side frame 1.
  • the insertion slots 46 lie outside the side frame outside, so that the seat spars 19 with their upright guide rails 21 can be moved up and down undisturbed on the side parts 43, 44.
  • the side parts 43, 44 are each fixed in position by a rear locking clip 48 provided in the upper end region on the backrest beam 27, this locking clip 48 extending on the inside of the side part and partially engaging around the backrest beam 27.
  • the smaller side part 44 is less in height and length than the side part 43 and has only two webs 47; it extends from the backrest spar 27 forward over the two spars 6 and 5 (see FIG. 1o).
  • the larger side part 43 has three plug-in webs 47 and extends from the backrest spar 27 to the front fastening piece 4a.
  • this side part 43 is equipped with a height-adjustable armrest 49, which engages with two downwardly directed retaining strips 50 in a guide groove 51 of the side part 43 in a height-adjustable manner.
  • the preferably gradual height adjustment of the armrest 49 is carried out by a locking pin 52 which is mounted on the outside of the side part 43 and optionally engages in one of the holes 53 provided in the height direction in a retaining bar 50.
  • the side part 43, 44 with plug-in webs 47 and locking clip 48 is made in one piece from plastic, the guide grooves 51 also being molded in the production in the side part 43.
  • the support arm 14 with tabs 38 and contact plate 39 is also made of plastic.
  • each support arm 14 is divided into two and in the footrest 15 two metallic spars 14a are inserted, which are continuously adjustable in height in the tubular support arm 14 and can be fixed by a clamp 14b (cf. 1 and 5).
  • the side parts 43, 44 are formed by plates with a rectangular basic shape; at the front end of the plate, the side parts 43, 44 are tapered and / or curved from top to bottom and then show a trapezoidal shape.

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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)
  • Rehabilitation Tools (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)

Abstract

A wheelchair has two foldable side frames, link members which cross one another and are pivotable about a common horizontal axis so as to fold the side frames, front wheels and rear wheels connected with the side frames, a back rest with upwardly extending back supporting members, a seat with seat supporting members which are movable upwardly and downwardly in dependence upon a folding movement, and a foot support with foot support carrying arms, wherein each side frame is provided with guide receivers for the seat supporting members, and with supports for the link members, and wherein a rear wheel axle block and the front support carrying arms are formed as a one-piece element of synthetic plastic material. Such side frames have a lower weight, but are stable nevertheless, and also result in an improved handling of the wheelchair.

Description

Die Erfindung bezieht sich auf einen Krankenfahrstuhl mit zwei durch überkreuz angeordnete und um eine gemeinsame, waagerechte Achse schwenkbare Gelenkstreben zusammenfaltbaren, aus aufrechten und waagerechten Holmen gebildeten Seitenrahmen, an denen lenkbare Vorderräder und vorzugsweise von Hand antreibbare größere Hinterräder drehbar angeordnet und an denen nach oben gerichtete, eine Rückenlehne haltende Rückenlehnenholme, in Abhängigkeit von der Faltbewegung auf- und abbewegbare, eine Sitzfläche tragende Sitzflächenholme und mittels Tragarmen eine Fußstütze gelagert sind.The invention relates to a medical elevator with two articulated struts arranged by crosswise and pivotable about a common, horizontal axis, formed from upright and horizontal spars, on which steerable front wheels and preferably manually drivable larger rear wheels are rotatably arranged and on which upward , backrest spars holding a backrest, depending on the folding movement, can be moved up and down, seat spars carrying a seat surface and a footrest are supported by means of support arms.

Aus der US-PS 4 082 348 ist ein derartig aufgebauter Krankenfahrstuhl bekannt geworden, der aus einer Metallkonstruktion besteht und dadurch zwar stabil ist, aber ein hohes Gewicht hat, was den Transport und die Handhabung erschwert.From US Pat. No. 4,082,348, a medical elevator constructed in this way has become known, which consists of a metal construction and is therefore stable, but has a high weight, which makes transportation and handling difficult.

Weiterhin sind bei diesem bekannten Krankenfahrstuhl seine beiden Seitenrahmen aus miteinander durch Schweißen verbundenen, zum Teil ineinandergesteckten und durch zusätzliche Mittel gegeneinander fixierbaren Metallrohren und -buchsen gebildet, die in der Herstellung aufwendig und teuer sind und eben als wesentliche, tragende Bestandteile des Krankenfahrstuhles das hohe Gewicht bestimmen.Furthermore, in this known medical elevator, its two side frames are made of metal pipes and sockets which are connected to one another by welding, partially nested and can be fixed against one another by additional means, which are complex and expensive to manufacture and, as essential, load-bearing components of the medical elevator, are of great weight determine.

Ausgehend von diesem Stand der Technik ist es Aufgabe der Erfindung, einen Krankenfahrstuhl mit einfach und kostengünstig herstellbaren, gewichtsmäßig leichten und in sich stabilen Seitenrahmen zu schaffen, die gleichzeitig sichere Führungs-, Lager- und Befestigungsstellen für die zugehörigen Krankenfahrstuhlteile ergeben.Based on this prior art, it is an object of the invention to provide a medical elevator with simple and inexpensive to produce, light weight and stable side frame, which at the same time provide safe management, storage and mounting points for the associated parts of the elevator.

Diese Aufgabe wird erfindungsgemäß durch die kennzeichnenden Merkmale des Patentanspruches 1 gelöst.This object is achieved by the characterizing features of claim 1.

Weitere Merkmale der Erfindung sind aus den Unteransprüchen 2 bis 15 zu entnehmen. Der Gegenstand der Erfindung erstreckt sich nicht nur auf die Merkmale der einzelnen Ansprüche, sondern auch auf deren Kombination.Further features of the invention can be found in subclaims 2 to 15. The object of the invention extends not only to the features of the individual claims, but also to their combination.

Der erfindungsgemäße Krankenfahrstuhl zeigt folgende Vorteile:

  • 1. Der gesamte Fahrstuhl besteht zum überwiegenden Teil aus Kunststoff, so daß dadurch eine große Gewichtsersparnis gegenüber herkömmlichen Fahrstühlen erzielt und dadurch die Handhabung, der Fahrkomfort und der Transport wesentlich verbessert worden ist,
  • 2. die beiden Seitenrahmen sind jeweils aus Kunststoff hergestellt und haben dabei gleichzeitig Führungs- und Lageraufnahmen sowie Befestigungsteile für die Sitzflächenholme, den Hinterrad-Achsblock, die Fußstütze, die Vorderräder und die Seitenteile herstellungsmäßig erhalten,
  • 3. die Seitenrahmen sind in ihren Holmen zum größten Teil rohrförmig ausgebildet, was eine gute Stabilität ergibt,
  • 4. die in Abhängigkeit von der Faltbewegung auf- und abbewegbaren Sitzflächenholme greifen mit senkrechten Führungsholmen aus Metall in die rohrförmigen Führungsholme der Seitenrahmen ein, so daß dadurch eine zusätzliche Stabilisierung der Seitenrahmen erreicht wird,
  • 5. die Seitenteile sind von einfach herstellbaren und stabilen Kunststoffteilen gebildet, die sich durch angeformte Steck- und Rastmittel schnell und sicher an Aufnahmestücken aus Kunststoff an den Seitenrahmen und an den Rückenlehnenholmen festlegen und lösen lassen,
  • 6. weiterhin haben die Seitenteile höhenverstellbare Armstützen, die mit Halteleisten in eingeformte Nuten der Seitenteile eingreifen und durch ein Rastmittel in der eingestellten Höhenlage arretierbar sind,
  • 7. außerdem sind die Kunststoffteile des Krankenfahrstuhles verschiedenfarbig ausführbar, so daß dadurch die kalte metallische Ausführung des Krankenfahrstuhles nicht mehr vorhanden ist, sondern die farbige Gestaltung einen Behinderten mehr anspricht und nicht mehr den Charakter eines Rollstuhles hat und dadurch die Antipathie bei Behinderten abbaut.
The medical elevator according to the invention has the following advantages:
  • 1. The entire elevator consists predominantly of plastic, so that a great weight saving compared to conventional elevators is achieved and the handling, driving comfort and transport have been significantly improved,
  • 2. the two side frames are each made of plastic and at the same time have guide and bearing mounts and fastening parts for the seat pillars, the rear wheel axle block, the footrest, the front wheels and the side parts in terms of manufacture,
  • 3. the side frames are largely tubular in their spars, which gives good stability,
  • 4. The seat upright, which can be moved up and down as a function of the folding movement, engage the tubular guide uprights with vertical guide rails made of metal the side frame, so that additional stabilization of the side frame is achieved,
  • 5. the side parts are made of easy-to-manufacture and stable plastic parts which can be quickly and securely attached and detached to plastic receptacles on the side frame and on the backrest bars by means of molded plug-in and locking means,
  • 6. Furthermore, the side parts have height-adjustable armrests, which engage with molded strips in the grooves of the side parts and can be locked in the set height by means of a latching means,
  • 7. In addition, the plastic parts of the hospital elevator can be executed in different colors, so that the cold metallic version of the hospital elevator is no longer available, but the colored design appeals to a disabled person and no longer has the character of a wheelchair and thereby reduces the antipathy of disabled people.

Anhand der Zeichnungen wird nachfolgend ein Ausführungsbeispiel gemäß der Erfindung näher erläutert. Es zeigt.

Fig. 1
eine perspektivische Seitenansicht eines faltbaren Krankenfahrstuhles,
Fig. 2
eine Stirnansicht desselben Krankenfahrstuhles, jedoch ohne Hinterräder, Sitzfläche und Rückenlehne,
Fig. 3
eine Seitenansicht eines einteiligen Seitenrahmens des Krankenfahrstuhles,
Fig. 4
eine Rückansicht des Seitenrahmens nach Fig. 3,
Fig. 5
eine Seitenansicht des Seitenrahmens mit abgenommenem Vorderrad und abgenommener Fußstütze,
Fig. 6
eine Seitenansicht des Seitenrahmens mit abnehmbarem Seitenteil und daran höhenverstellbar gelagerter Armstütze,
Fig. 7
eine Draufsicht auf das am Seitenrahmen gehaltene Seitenteil ohne Armstütze,
Fig. 8
eine Seitenansicht im teilweisen Schnitt des Seitenteiles mit Armstütze,
Fig. 9
eine Seitenansicht des oberen Endbereiches des Seitenrahmens mit Aufnahmen für eine Steckverbindung des Seitenteiles,
Fig. 10
eine Seitenansicht des Seitenrahmens mit Seitenteil in abgeänderter Ausführung.
An exemplary embodiment according to the invention is explained in more detail below with reference to the drawings. It shows.
Fig. 1
a perspective side view of a foldable medical elevator,
Fig. 2
a front view of the same hospital elevator, but without rear wheels, seat and backrest,
Fig. 3
a side view of a one-piece side frame of the medical elevator,
Fig. 4
3 shows a rear view of the side frame according to FIG. 3,
Fig. 5
a side view of the side frame with the front wheel and footrest removed,
Fig. 6
a side view of the side frame with detachable side part and armrest mounted thereon with adjustable height,
Fig. 7
a plan view of the side part held on the side frame without armrest,
Fig. 8
a side view in partial section of the side part with armrest,
Fig. 9
a side view of the upper end region of the side frame with receptacles for a plug connection of the side part,
Fig. 10
a side view of the side frame with side part in a modified version.

Mit 1 sind zwei Seitenrahmen eines faltbaren Krankenfahrstuhles (Rollstuhles) bezeichnet, die identisch aufgebaut, jedoch in wenigen Einzelteilen spiegelbildlich ausgeführt und in beiden Seitenbereichen des Krankenfahrstuhles angeordnet sind.1 designates two side frames of a foldable medical chair (wheelchair), which are constructed identically, but are mirror-inverted in a few individual parts and are arranged in both side areas of the medical chair.

Diese beiden Seitenrahmen 1 sind durch überkreuz verlaufende, um eine gemeinsame waagerechte und in Fahrtrichtung des Krankenfahrstuhles zeigende Achse 2 schwenkbar miteinander verbundene Gelenkstreben 3, vorzugsweise insgesamt vier und jeweils paarweise angeordnete Gelenkstreben 3, in der Gebrauchsstellung im Abstand zueinander gehalten und zum Zusammenfalten des Krankenfahrstuhles beweglich miteinander verbunden, indem die Seitenrahmen 1 im Abstand zueinander verringert und in der Nichtgebrauchsstellung dicht aneinander gebracht werden.These two side frames 1 are held together by articulated struts 3, preferably a total of four articulated struts 3 each arranged in pairs, which are held at a distance from one another by a crosswise horizontal axis and pointing in the direction of travel of the hospital elevator and preferably movable in order to fold the hospital elevator connected to one another by reducing the side frames 1 at a distance from one another and bringing them close together in the non-use position.

Jeder Seitenrahmen 1 hat eine rechteckige Grundform (Seitenansicht) und ist einteilig aus Kunststoff hergestellt.Each side frame 1 has a rectangular basic shape (side view) and is made in one piece from plastic.

In Fahrtrichtung des Krankenfahrstuhles gesehen hat jeder Seitenrahmen 1 einen vorderen aufrechten Lagerholm 4, einen im Abstand dahinter vorgesehenen, aufrechten Führungsholm 5 und einen im Abstand dahinter angeordneten aufrechten Führungsholm 6. Diese drei Holme 4 bis 6 werden durch zwei zwischen den Holmen 4 und 5 sowie 5 und 6 verlaufende, waagerechte Abstandshalter 7 im vorzugsweise gleich großen Abstand zueinander gehalten, wobei diese Abstandshalter 7 im oberen Längenendbereich der aufrechten Holme 4 bis 6 verlaufen und die nach oben über diese Abstandshalter 7 hinausragenden Holmenden Befestigungssutzen 4a bis 6a bilden. Die beiden Führungsholme 5,6 haben gleiche Länge (Höhe) und der mittlere Führungsholm 5 zeigt an seinem unteren Ende eine waagerechte, in Fahrtrichtung verlaufende und über den Führungsholm 5 beidseitig hinauslaufende Lagerhülse 8, während der hintere Führungsholm 6 an seinem unteren Ende einen in Fahrtrichtung verlaufenden Lagerholm 9 hält, der ebenfalls nach beiden Seiten über den Führungsholm 6 hinausragt und zu der Lagerhülse 8 koaxial verläuft.Viewed in the direction of travel of the patient's elevator, each side frame 1 has a front upright support bar 4, an upright guide bar 5 provided at a distance behind it and an upright guide bar 6 arranged at a distance behind it. These three bars 4 to 6 are replaced by two between the bars 4 and 5 and 5 and 6 extending, horizontal spacers 7 are preferably held at the same distance from one another, these spacers 7 running in the upper longitudinal end region of the upright spars 4 to 6 and forming the spar ends 4a to 6a which protrude above these spacers 7. The two guide bars 5, 6 have the same length (height) and the middle guide bar 5 shows at its lower end a horizontal bearing sleeve 8 which runs in the direction of travel and extends beyond the guide bar 5 on both sides, while the rear guide bar 6 at its lower end has one in the direction of travel extending bearing spar 9 holds, which also protrudes on both sides over the guide spar 6 and extends coaxially to the bearing sleeve 8.

Zwischen dem Lagerholm 4 und dem Führungsholm 5 erstreckt sich ein waagerechter, in Fahrtrichtung verlaufender Abstandshalter 10, der mit Abstand oberhalb der Lagerhülse 8 verläuft und an das untere Ende des kürzer ausgebildeten Lagerholmes 4 anschließt.A horizontal spacer 10 extending in the direction of travel extends between the bearing bar 4 and the guide bar 5, which runs at a distance above the bearing sleeve 8 and connects to the lower end of the shorter bearing bar 4.

An den hinteren Führungsholm 6 setzt sich in Verlängerung des Abstandshalters 7 ein waagerechter, in Fahrtrichtung verlaufender Befestigungsstutzen 11 an, der in seiner Länge kürzer als der untere, parallel dazu verlaufende Lagerholm 9 ist.In the extension of the spacer 7, a horizontal fastening stub 11, which runs in the direction of travel, is attached to the rear guide bar 6 and is shorter in length than the lower, parallel bar 9.

Die aufrechten Lager- und Führungsholme 4 bis 6 und somit die daraus entstandenen Befestigungsstutzen 4a bis 6a, der waagerechte Lagerholm 9 und die waagerechte Lagerhülse 8 sind von Rohren gebildet, die waagerechten Abstandshalter 7 und der Befestigungsstutzen 11 sind ebenfalls als Rohre ausgeführt und der waagerechte Abstandshalter 10 ist von einem vollen oder hohlen Stab mit kreisförmigem, eckigem oder eckseitigabgerundetem Querschnitt gebildet. Die Rohre 4 bis 7,8,9 und 11 haben kreisförmigen Querschnitt. An der Außenseite des aufrechten Lagerholmes 4 sind zwei im Abstand übereinander angeordnete Lagerplatten 12 mit Aufnahmelöchem angeformt, an denen ein Tragarm 14 einer vorderseitigen Fußstütze 15 lösbar festlegbar ist. Zwischen dem Lagerholm 4 und dem Abstandshalter 10 und dem Abstandshalter und dem Führungsholm 5 sowie der Lagerhülse 8 verläuft jeweils eine angeformte, stegförmige Aussteifung 16.The upright bearing and guide bars 4 to 6 and thus the resulting mounting pieces 4a to 6a, the horizontal bearing bar 9 and the horizontal bearing sleeve 8 are formed by tubes, the horizontal spacers 7 and the mounting pieces 11 are also designed as tubes and the horizontal spacer 10 is formed by a full or hollow rod with a circular, angular or rounded corner section. The pipes 4 to 7, 8, 9 and 11 have a circular cross section. On the outside of the upright support bar 4, two spaced-apart bearing plates 12 are formed with receiving holes, on which a support arm 14 of a front footrest 15 can be detachably fixed. A molded, web-shaped stiffener 16 runs between the bearing bar 4 and the spacer 10 and the spacer and the guide bar 5 and the bearing sleeve 8.

Alle vorgenannten Teile 4 bis 12 und 16 sind einteilig aus Kunststoff zu dem Seitenrahmen 1 herstellungsmäßig verbunden und des weiteren sind zur Unterstützung der Lagerplatten 12 zwischen diesen und dem Lagerholm 4 stegförmige Aussteifungen 17 herstellungsmäßig angeformt, so daß der gesamte Seitenrahmen 1 eine Einheit bildet.All of the aforementioned parts 4 to 12 and 16 are made in one piece from plastic to the side frame 1 in terms of manufacture and, furthermore, web-shaped stiffeners 17 are integrally formed in support of the bearing plates 12 between them and the bearing beam 4, so that the entire side frame 1 forms a unit.

Jedes Paar der beiden Gelenkstreben 3 ist am unteren Längenende mit einem waagerechten Lagerrohr 18 ausgestattet, welches zwischen Lagerhülse 8 und Lagerholm 9 koaxial verläuft und mit einer nicht dargestellten Schwenkachse in diese beiden Teile 8,9 schwenkbar eingreift.Each pair of the two articulated struts 3 is equipped at the lower end of the length with a horizontal bearing tube 18 which extends coaxially between the bearing sleeve 8 and the bearing bar 9 and which pivotably engages in these two parts 8, 9 with a pivot axis, not shown.

Das obere Ende der Gelenkstrebenpaare 3 ist an einem waagerechten, in Fahrtrichtung verlaufenden Sitzflächenholm 19 befestigt, der durch zwei Lagerhülsen 20 drehbar greift, welche jeweils einen nach unten gerichteten Führungsholm 21 aufweisen; der eine Führungsholm 21 faßt dabei in den mittleren (5) und der zweite Führungsholm 21 in den hinteren Führungsholm 6 ein und diese, den Sitzflächenholm 19 tragenden Führungsholme 21 sind höhenverschiebbar in den Führungsholmen 5,6 des Seitenrahmens 1 geführt und bewegen sich beim Zusammenfalten der Seitenrahmen 1 über die Gelenkstreben 3 in den Führungsholmen 5,6 nach oben oder nach unten (für die Gebrauchsstellung in die Führungsholme 5,6 und für die Zusammenfaltstellung aus den Führungsholmen 5,6 heraus) (vgl. Fig. 5).The upper end of the pairs of articulated struts 3 is fastened to a horizontal seat spar 19 which extends in the direction of travel and which rotatably engages through two bearing sleeves 20, each of which has a guide spar 21 directed downward; one of the guide bars 21 in the middle (5) and the second guide bar 21 in the rear guide bar 6 and these, the seat bar 19 carrying guide bars 21 are vertically displaceable in the guide bars 5, 6 of the side frame 1 and move when folded Side frame 1 via the hinge struts 3 in the guide bars 5, 6 up or down (for the use position in the guide bars 5, 6 and for the folding position out of the guide bars 5, 6) (cf. FIG. 5).

Diese beiden Sitzflächenholme 19 tragen jeweils eine flexible Sitzfläche 22 in Form einer Plane, eines Tuches oder dergleichen aus Leder, Kunstleder, Textil, Kunststoff oder dergleichen, welche die Zusammen- und Auseinanderfaltung automatisch mitmacht.These two seat spars 19 each carry a flexible seat 22 in the form of a tarpaulin, a cloth or the like made of leather, synthetic leather, textile, plastic or the like, which automatically takes part in the folding and unfolding.

Im hinteren oberen Eckbereich des Seitenrahmens 1 ist um dessen Führungsholm 6, Abstandshalter 7 und Befestigungsstutzen 11 ein Achsblock 23 mit mehreren im Abstand zueinander (neben- und übereinander) ausgenommenen Achslöchem 24 für die Aufnahme einer Hinterradachse 25 angeordnet; dieser Achsblock 23 ist zweigeteilt und übergreift von beiden Seiten die Rahmenteile 6,7,11 im Stoßbereich und ist durch Schrauben oder dergleichen um diese Teile 6,7,11 befestigt. In einem Achsloch 24 ist das größere, vorzugsweise von Hand antreibbare Hinterrad 26 mit seiner Achse 25 gelagert; durch die Vielzahl der Achslöcher 24 können wahlweise unterschiedlich große Hinterräder 26 am Achsblock 23 angebracht werden.In the rear upper corner area of the side frame 1, an axle block 23 with a plurality of axle holes 24, which are recessed at a distance from one another (next to and on top of one another) and arranged to accommodate a rear wheel axle 25, is arranged around the guide bar 6, spacer 7 and fastening piece 11; This axle block 23 is divided into two parts and overlaps the frame parts 6, 7, 11 in the joint area from both sides and is fastened to these parts 6, 7, 11 by screws or the like. The larger, preferably manually drivable rear wheel 26 is mounted with its axle 25 in an axle hole 24; Due to the large number of axle holes 24, rear wheels 26 of different sizes can optionally be attached to the axle block 23.

Weiterhin nimmt jeder Achsblock 23 einen aufrechten Rückenlehnenholm 27 mit seinem unteren Ende auf, der am oberen Ende zu einem entgegen der Fahrtrichtung abgebogenen Griff 29 ausgebildet ist. Zwischen beiden Rückenlehnenholmen 27 ist eine Rückenlehne 28 befestigt, die entsprechend der Sitzfläche 22 flexibel ausgebildet ist.Furthermore, each axle block 23 receives an upright backrest spar 27 with its lower end, which is designed at the upper end to form a handle 29 bent against the direction of travel. A backrest 28 is fastened between the two backrest bars 27 and is designed to be flexible in accordance with the seat surface 22.

Die beiden Vorderräder 3o sind lenkbar und kleiner als die nicht lenkbaren Hinterräder 26 ausgebildet und jeweils in einer Gabel 31 drehbar gelagert; diese Gabel 31 greift mit einer aufrechten Lenkachse 32 in eine Lagerhülse 33 ein und ist mit dieser Lagerhülse 33 am Seitenrahmen 1 im Stoßpunkt zwischen Lagerholm 4 und Abstandshalter 1o mittels Schraube 34 befestigt sowie durch einen an der Lagerhülse 33 angebrachten und an dem Abstandshalter 1o anliegenden, durch eine Schraube 35 am Abstandshalter 1o gehaltenen Steg 36 fixiert. Im Abstandshalter 1o sind für die Festlegung des Steges 36 ein oder mehrere Löcher 37 ausgenommen, so daß Vorderräder 3o mit unterschiedlichen Stegen 36 an dem Seitenrahmen 1 zusätzlich zu der Lagerhülsenbefestigung standsicher festgesetzt werden können.The two front wheels 3o are steerable and smaller than the non-steerable rear wheels 26 and are each rotatably supported in a fork 31; this fork 31 engages with an upright steering axle 32 in a bearing sleeve 33 and is fastened with this bearing sleeve 33 to the side frame 1 at the point of contact between the bearing bar 4 and the spacer 10 by means of screw 34 and by means of a screw attached to the bearing sleeve 33 and resting against the spacer 10 fixed by a screw 35 on the spacer 1o held web 36. In the spacer 1o one or more holes 37 are excluded for the fixing of the web 36, so that front wheels 3o with different webs 36 can be fixed on the side frame 1 in addition to the bearing sleeve fastening.

In den beiden Lagerplatten 12 jedes Seitenrahmens 1 ist jeweils ein aufrechter Lagerzapfen 13 festgelegt und in diesen Lagerzapfen 13 wird ein Tragarm 14 der Fußstütze 15, vorzugsweise Fußplatte, mit Laschen 38 eingehängt. Die nach vorn in Fahrtrichtung zeigende Stellung der Tragarme 14 läßt sich durch eine am Tragarm 14 zwischen den Laschen 38 erstreckende Anlageplatte 39 und einen Rastbolzen 4o erreichen, in dem die Anlageplatte 39 an dem Lagerholm 4 anliegt und der Rastzapfen 4o in der Bohrung 41 des Lagerholmes 4 gehalten ist und in eine Bohrung 42 der Anlageplatte 39 eingreift (vergl. Fig. 1,3 und 5).In each of the two bearing plates 12 of each side frame 1, an upright bearing pin 13 is fixed and in this bearing pin 13 a support arm 14 of the footrest 15, preferably the foot plate, is hung with tabs 38. The position of the support arms 14 pointing forward in the direction of travel can be achieved by a support plate 39 extending on the support arm 14 between the tabs 38 and a locking pin 4o, in which the support plate 39 rests on the bearing bar 4 and the locking pin 4o in the bore 41 of the bearing bar 4 is held and engages in a bore 42 of the contact plate 39 (see. Fig. 1,3 and 5).

An den beiden Seitenrahmen 1 kann wahlweise ein größeres oder ein kleines Seitenteil 43,44 gemäß Fig. 1,2,6 bis 1o abnehmbar befestigt werden. Für die Befestigung der Seitenteile 43,44 sind um die Befestigungsstutzen 4a,5a,6a Aufnahmestücke 45 aus Kunststoff schellenartig befestigt, die jeweils einen senkrechten Einsteckschlitz 46 zeigen, in die das Seitenteil 43,44 mit untenseitigen Steckstegen 47 eingesteckt wird, so daß es stehend und in Verlängerung der Seitenrahmen 1 nach oben hin verläuft. Die Einsteckschlitze 46 liegen außerhalb der Seitenrahmen-Außenseite, so daß die Sitzflächenholme 19 mit ihren aufrechten Führungsholmen 21 innen an den Seitenteilen 43,44 ungestört auf- und abbewegt werden können. Weiterhin werden die Seitenteile 43,44 jeweils durch eine rückseitige, im oberen Endbereich vorgesehene Rastschelle 48 am Rückenlehnenholm 27 lagefixiert, wobei diese Rastschelle 48 an der Seitenteil-Innenseite sich erstreckt und den Rückenlehnenholm 27 teilweise rastend umgreift.A larger or a smaller side part 43, 44 according to FIGS. 1, 2, 6 to 10 can be detachably attached to the two side frames 1. For the attachment of the side parts 43,44 around the mounting piece 4a, 5a, 6a receiving pieces 45 made of plastic fastened like a clamp, each showing a vertical insertion slot 46, into which the side part 43, 44 is inserted with underside webs 47, so that it runs upright and in extension of the side frame 1. The insertion slots 46 lie outside the side frame outside, so that the seat spars 19 with their upright guide rails 21 can be moved up and down undisturbed on the side parts 43, 44. Furthermore, the side parts 43, 44 are each fixed in position by a rear locking clip 48 provided in the upper end region on the backrest beam 27, this locking clip 48 extending on the inside of the side part and partially engaging around the backrest beam 27.

Das kleinere Seitenteil 44 ist in der Höhe und Länge geringer als das Seitenteil 43 ausgeführt und weist nur zwei Steckstege 47 aus; es erstreckt sich vom Rückenlehnenholm 27 aus nach vorn über die beiden Holme 6 und 5 (vergl. Fig. 1o). Das größere Seitenteil 43 hat drei Steckstege 47 und verläuft vom Rückenlehnenholm 27 aus bis zum vorderen Befestigungsstutzen 4a.The smaller side part 44 is less in height and length than the side part 43 and has only two webs 47; it extends from the backrest spar 27 forward over the two spars 6 and 5 (see FIG. 1o). The larger side part 43 has three plug-in webs 47 and extends from the backrest spar 27 to the front fastening piece 4a.

Weiterhin ist dieses Seitenteil 43 mit einer höhenverstellbaren Armstütze 49 ausgestattet, die mit zwei nach unten gerichteten Halteleisten 5o in jeweils eine Führungsnut 51 des Seitenteiles 43 höhenverstellbar eingreift.Furthermore, this side part 43 is equipped with a height-adjustable armrest 49, which engages with two downwardly directed retaining strips 50 in a guide groove 51 of the side part 43 in a height-adjustable manner.

Die vorzugsweise stufenweise Höhenverstellung der Armstütze 49 wird durch einen Rastbolzen 52 vorgenommen, der an der Außenseite des Seitenteiles 43 lagert und wahlweise in eines der in Höhenrichtung in einer Halteleiste 5o vorgesehenen Löcher 53 einrastet.The preferably gradual height adjustment of the armrest 49 is carried out by a locking pin 52 which is mounted on the outside of the side part 43 and optionally engages in one of the holes 53 provided in the height direction in a retaining bar 50.

Das Seitenteil 43,44 mit Steckstegen 47 und Rastschelle 48 ist einteilig aus Kunststoff hergestellt, wobei im Seitenteil 43 auch die Führungsnuten 51 herstellungsmäßig eingeformt sind.The side part 43, 44 with plug-in webs 47 and locking clip 48 is made in one piece from plastic, the guide grooves 51 also being molded in the production in the side part 43.

Der Tragarm 14 mit Laschen 38 und Anlageplatte 39 besteht ebenfalls aus Kunststoff. Um eine Höheneinstellung der ebenfalls aus Kunststoff hergestellten Fußstütze 15 vornehmen zu können, ist jeder Tragarm 14 zweigeteilt und in die Fußstütze 15 sind zwei metallische Holme 14a eingesetzt, die in den rohrförmigen Tragarm 14 stufenlos höhenverschiebbar einfassen und durch eine Schelle 14b fixierbar sind (vergl. Fig. 1 und 5).The support arm 14 with tabs 38 and contact plate 39 is also made of plastic. In order to be able to adjust the height of the footrest 15, which is also made of plastic, each support arm 14 is divided into two and in the footrest 15 two metallic spars 14a are inserted, which are continuously adjustable in height in the tubular support arm 14 and can be fixed by a clamp 14b (cf. 1 and 5).

Die Seitenteile 43,44 sind von Platten mit rechteckiger Grundform gebildet; am vorderen Plattenende sind die Seitenteile 43,44 schräg und/oder bogenförmig verlaufend von oben nach unten hin verjüngt und zeigen dann etwa eine Trapezform.The side parts 43, 44 are formed by plates with a rectangular basic shape; at the front end of the plate, the side parts 43, 44 are tapered and / or curved from top to bottom and then show a trapezoidal shape.

Claims (15)

  1. Invalid wheelchair with two side frames (1) constituted by upright and horizontal rails which can be collapsed by crosswise,swivelling articulated struts (3) about a common, horizontal axis (2), steerable front wheels (30) and preferably hand-driven larger rear wheels (26) being rotatably arranged on said side frames (1), and mounted on said side frames (1) are upwardly directed backrest rails (27) holding a backrest (28), seat base rails (19) carrying a seat base (22) and movable up and down in response to the folding movement, and a footrest (15) by means of support arms (14),
    characterised in that each side frame (1) comprises one front, upright mounting rail (4) with mounting points (12) for the footrest support arm (14),

    one middle and one rear upright guide rail (5, 6) as guide locators for guide rails (21) of the height-adjustable seat base rails (19),

    two upper spacers (7) which keep the three rails (4, 5, 6) spaced apart behind one another,

    one rear attachment connector (11) running down from the rear guide rail (6) and extending the two spacers (7), said connector forming with the rear guide rail (6) and the spacer (7) a mounting point for a rear wheel axle unit (23),

    one bottom spacer (10) running between the mounting rail (4) and the middle guide rail (5),

    one bearing bush (8) situated at the lower end of the middle guide rail (5)

    and one mounting rail (9) running at the lower end of the rear guide rail (6) coaxial with the bearing bush (8),

    and the rails (4, 5, 6, 9), the spacers (7), the bearing bush (8) and the attachment connector (11) are made of plastic tubing, the spacer (10) of a plastic bar and the plastic mounting points (12) for the footrest support arm (14, 15) are joined to the one-piece side frame (1).
  2. Invalid wheelchair according to claim 1, characterised in that the front, upright mounting rail (4) is shorter in height than the two guide rails (5, 6) which are of equal length and the bottom spacer (10) runs above the bearing bush (8) and is contiguous with the lower end of the mounting rail (4).
  3. Invalid wheelchair according to claim 1, characterised in that the ends of the mounting and guide rails (4, 5, 6) which protrude upwards past the spacers (7) form attachment connectors (4a, 5a, 6a).
  4. Invalid wheelchair according to claim 1, characterised in that the bearing bush (8) extends both sides of the middle guide rail (5) and the mounting rail (9) projects like a sleeve past the guide rail (6) in the direction of the bearing bush (8) and is longer at the rear than the upper attachment connector (11).
  5. Invalid wheelchair according to claims 1 to 4, characterised in that the rails (4, 5, 6, 9), spacers (7), bearing bush (8) and attachment connector (11) are formed from plastic tubing of circular cross-section and the spacer (10) is a plastic hollow or solid bar with a preferably angular cross-section rounded at the corners.
  6. Invalid wheelchair according to claim 1, characterised in that as mounting points for the footrest support arm (14), plates (12) with locating holes for upright journal pins (13) are incorporated on the outside of the mounting rail (4) and between the mounting rail (4) and spacer (10) and the spacer (10) and mounting rail (5), as well as between the mounting plates (12) and the mounting rail (4) there are incorporated web-like stiffeners (16, 17).
  7. Invalid wheelchair according to one of claims 3 to 6, characterised in that in the area of impact between the spacer (7) and the mounting rail (6) and attachment connector (6a) and attachment connector (11) is fixed a rear wheel axle unit (23) which has a plurality of axle holes (24) for selectively arranging a rear wheel axle (25) and receives the bottom end of an upright backrest rail (27).
  8. Invalid wheelchair according to one of claims 1 to 7, characterised in that the front wheel (30) is rotatably mounted in a fork (31) and engages with an upright steering pin (32) in a bearing sleeve (33) and said bearing sleeve (33) is stably secured in the area of impact between the mounting rail (4) and spacer (10) by means of a screw (34) and an attachment link (36) attached to the bearing sleeve (33), resting against the spacer (10) and fixed in place by a screw (35).
  9. Invalid wheelchair according to one of claims 6 to 8, characterised in that the footrest support arm (14) is suspended by lugs (38) in the journal pins (13) of the plates (12) and is secured by a locking bolt (40) which is arranged on the mounting rail (4),engages in a hole (42) of a contact plate (39) provided on the support arm (14), and the support arm (14) is made of plastic and keeps a metal arm (14a) carrying the plastic footrest (15) adjustable in height.
  10. Invalid wheelchair according to claims 1 to 9, characterised in that held on each side frame (1) is a removable plate-shaped side member (43, 44).
  11. Invalid wheelchair according to claim 10, characterised in that a sleeve-type locating element (45) made of plastic is attached around each of the attachment connectors (4a, 5a, 6a) of the side frame (1), said elements each having a vertical insertion slot into which the side member (43, 44) detachably engages by push-in connectors (47) incorporated on its bottom edge.
  12. Invalid wheelchair according to claim 10 and 11, characterised in that the insertion slots (46) of the locating elements (45) are arranged externally to the outside of the frame (1) and receive the side element (43, 44) in a upwardly extending, external lengthening of the frame.
  13. Invalid wheelchair according to claims 10 to 12, characterised in that each side element (43, 44) has a locking sleeve (48) incorporated in the upper portion of its rear edge, by means of which it is detachably held on the backrest rail (27).
  14. Invalid wheelchair according to claims 10 to 13, characterised in that the side element (43) is furnished with a height-adjustable armrest (49) which slidably engages by downwardly directed retaining bars (50) in guide grooves (51) formed in the side element (43) and whose height can be locked in position stepwise by a locking bolt (52) held on the side element (43) and engaging in one hole (53) of a row of holes in a retaining bar (50).
  15. Invalid wheelchair according to claims 1 to 14, characterised in that each seat base rail (19) is held rotatably in two bearing sleeves (20) and is held movably up and down on the inside of the side elements (43, 44) by height-adjustable guide rails (21) attached to said bearing sleeves (20), downwardly directed and engaging in frame-stabilising manner in the guide rails (5, 6) of the side frame (1) in correspondence with the folding movement.
EP85115777A 1985-04-23 1985-12-11 Wheel chair for invalids Expired - Lifetime EP0198957B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85115777T ATE75596T1 (en) 1985-04-23 1985-12-11 ELEVATOR.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3514572 1985-04-23
DE19853514572 DE3514572A1 (en) 1985-04-23 1985-04-23 MEDICAL ELEVATOR

Publications (3)

Publication Number Publication Date
EP0198957A2 EP0198957A2 (en) 1986-10-29
EP0198957A3 EP0198957A3 (en) 1987-11-11
EP0198957B1 true EP0198957B1 (en) 1992-05-06

Family

ID=6268854

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85115777A Expired - Lifetime EP0198957B1 (en) 1985-04-23 1985-12-11 Wheel chair for invalids

Country Status (4)

Country Link
US (1) US4676519A (en)
EP (1) EP0198957B1 (en)
AT (1) ATE75596T1 (en)
DE (2) DE3514572A1 (en)

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JP6267429B2 (en) * 2013-03-15 2018-01-24 株式会社松永製作所 Wheelchair side guard mounting structure and wheelchair
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CN104274286A (en) * 2014-09-27 2015-01-14 吴玲玲 Foldable wheelchair
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Also Published As

Publication number Publication date
EP0198957A3 (en) 1987-11-11
EP0198957A2 (en) 1986-10-29
ATE75596T1 (en) 1992-05-15
DE3514572A1 (en) 1986-10-30
DE3585999D1 (en) 1992-06-11
US4676519A (en) 1987-06-30

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