EP1047366B1 - Dispositif de levage et de deploiement pour un fauteuil roulant, et fauteuil roulant ainsi equipe - Google Patents

Dispositif de levage et de deploiement pour un fauteuil roulant, et fauteuil roulant ainsi equipe Download PDF

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Publication number
EP1047366B1
EP1047366B1 EP99904765A EP99904765A EP1047366B1 EP 1047366 B1 EP1047366 B1 EP 1047366B1 EP 99904765 A EP99904765 A EP 99904765A EP 99904765 A EP99904765 A EP 99904765A EP 1047366 B1 EP1047366 B1 EP 1047366B1
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EP
European Patent Office
Prior art keywords
platform
lifting
wheelchair
telescopic
extending
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
EP99904765A
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German (de)
English (en)
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EP1047366A1 (fr
Inventor
Christian Wengert
Anton Wengert
Volker Wengert
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Individual
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Individual
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Publication of EP1047366A1 publication Critical patent/EP1047366A1/fr
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Publication of EP1047366B1 publication Critical patent/EP1047366B1/fr
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/06—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps
    • A61G5/061—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps for climbing stairs
    • 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
    • A61G5/104—Devices for lifting or tilting the whole wheelchair

Definitions

  • the invention relates to a lifting / extending device for a wheelchair and a wheelchair.
  • the invention has for its object a lifting / extending device for To develop a wheelchair and a wheelchair with improved practicality.
  • the subclaims relate to advantageous developments and features of the directed lifting / extending device.
  • a wheelchair designated overall by 2 is on the overall designated 4 Lifting / extending device attached and is in the raised state.
  • the structure of the wheelchair is known per se and contains a frame 6, which the Seat with backrest 8 and a footrest 10 includes. Next to the frame 6 large wheels 12 and front support wheels 14 stored.
  • An adapter frame 16 is attached to the frame 6 of the wheelchair 2, which in turn is attached to a telescopic platform 18 which is longitudinally displaceable on an upper platform 20 is.
  • a drive is used to move the telescopic platform 18 relative to the upper platform 20 22 with a control line 24.
  • the upper platform 20 is on a lower platform 26 by means of a scissor lifting device attached with scissor levers 28, 30 raised or lowered.
  • the scissors lever 28 (on both sides of the platforms) are articulated at the rear end (according to FIG. 1 on the left) of the upper platform; the scissor levers 30 are articulated at the left end of the sub-platform 26.
  • To the The scissor lifting device is driven by a spindle 32 which is driven by a pinion Electric motor 34 is driven in rotation, to which a control line 36 is connected.
  • the sub-platform 26 has support rollers 38 so that they roll on a floor 40 can.
  • a drive wheel 42 is provided which is resilient can be pressed down so that unevenness in the floor is compensated for.
  • An electric motor 44 for driving the drive wheel 42 has a control line 46.
  • the front end of the telescopic platform 18 is angled downward and points at the end a feeler roller 48, which is located approximately at the same height as the underside the wheels 12 and the support wheels 14 and which cooperates with a switch 50 which is actuated as soon as the feeler roller 48 hits an obstacle.
  • the switch 50 is with a Line 52 connected.
  • the lines 24, 36, 46 and 52 are connected to an operating unit 52, the one Contains control unit and by means of which the individual drives can be actuated.
  • the operating unit 52 is accommodated in a suitable location on the device 4 Battery.
  • Fig. 2 shows the lifting / extending device in a perspective view with omission of details.
  • the sub-platform 26 with the support rollers 38 has side longitudinal members and cross members on, the movable ends of the scissor levers 28 being guided in the side longitudinal members are.
  • the upper platform 20 also has side members 54 and cross members 56, the movable ones Ends of the scissors lever 30 are guided in the side members 54.
  • the drive of the device according to FIG. 2 is modified compared to that of FIG. 1.
  • On vertical brackets 58 are provided at the rear (left) end of the upper platform 20, which carry an electromotive drive 60, one hidden in the figure, with an internal thread provided sleeve rotates, which is attached to the sub-platform 26 with a Threaded spindle 62 combs.
  • the telescopic platform 18 is displaceably guided on the upper platform 20.
  • the telescopic platform 18 also has longitudinal members 66 connected via cross members 64 and is longitudinally displaceable by means of the drive 22.
  • the battery 68 is also shown schematically in FIG. 2 shown for power supply.
  • Fig. 3 shows the device of Fig. 2 in the non-raised state.
  • FIG. 4 shows a front view of the arrangement according to FIG. 1 with the lifting / extending device fully lowered with further details of the device.
  • an adapter frame 16 is attached to the frame 6 of the wheelchair 2 (FIG. 1) which consists of adapters 68 rigidly connected to the frame 6, on which the legs of longitudinal beams 70 which are T-shaped in cross section.
  • Adjustable lifting / extending device. 4 shows more precisely that on the telescopic platform 18 trained cross member 64, which connect the longitudinal member 66.
  • Each of the side members carries two brackets 72, in which a shaft 74 is mounted, the has eccentric discs 76 outside the consoles (see also FIG. 5).
  • the longitudinal beams 66 of the telescopic platform are double C-shaped in cross section Guided rails that form the longitudinal beams 54 of the upper platform. In the lower half the longitudinal beam 54, the upper ends of the scissors lever 30 are guided.
  • the longitudinal members 78 of the sub-platform are C-shaped in cross section and guide the lower ones Ends of the scissors levers 28.
  • FIG. 5 shows a top view of the telescopic platform 18.
  • the longitudinal beams end 66 in front areas 80 which can be seen in FIG. 1, bent downwards are and end in the support rollers or tracer rollers 48.
  • the cross member 64 carry the Consoles 72, in which the shafts 74 are mounted, the middle with actuators 82 are provided and end outside the brackets in the eccentric discs 76.
  • To the Brackets 72 are mounted on brackets guide rails 84 leading to the front End of the telescopic platform are bent towards each other and in the vertical direction have a small distance from the cross members 64. Under supervision, they overlap Guide rails 84 the eccentric discs 76.
  • the outer distance of the guide rails corresponds to the inner distance between the adapters 68 of the adapter frame 16, or the vertical webs of the longitudinal beams 70.
  • FIG. 6a shows a side view of the longitudinal beams 66 with the brackets 72 and the eccentric discs 76 and the horizontal base of the T-shaped side member 70 of the adapter frame 16.
  • the longitudinal beam 70 has a distance from it in the vertical direction
  • the eccentric disks 76 are twisted, so that the side member 76 is raised and abuts the side member 70 fixed to the wheelchair.
  • FIG. 7 shows cross sections of some of the components explained, namely the adapter 68 Longitudinal beam 70, the longitudinal beam 66 of the telescopic platform, the telescopic platform, 5, in the angled areas 80 of the side members 66 with the at the end of the feeler rollers 48 ends, the cross-sectionally double-C-shaped side member 54 of the upper platform and the C-shaped longitudinal member 78 of the lower platform.
  • the wheelchair provided with the adapter frame 16 can be used in the usual way. To attach the lifting / extending device, it is fully retracted (lowest possible level; Telescopic frame retracted). The wheelchair user then drives with the Wheelchair backwards (Fig. 5) from right to left on the device.
  • the vertical webs of the C-shaped longitudinal beams 70 on the outer sides of the guide rails 84 and the inner horizontal webs under the guide rails so that the wheelchair moves in a well-defined orientation to the device via the device until a stop is reached which is formed by a component protruding from the upper platform can be or through the brackets 58 of Fig. 3.
  • the wheelchair can be operated as usual with the device attached to it.
  • the drive wheel 42 can be used for propulsion by means of the Operating unit 52 is operated.
  • a mechanism is released that the drive wheel 40 presses down into contact with the floor, so that a secure frictional connection between drive wheel 42 on the ground.
  • the wheelchair first drives as far towards Obstacle that the footrest 10 or one or both of the feeler rollers 48 abuts the obstacle. Then the upper platform is driven by the scissor mechanism raised. Then the sub-platform 26 is moved forward with the aid of the drive 42, 44, until it comes up to the step.
  • the drive of the drive wheel 42 is designed so that the under Pressure on the drive wheel 42 standing on the ground when the electric motor is not actuated 44 holds sub-platform 26 in place.
  • the entire Unit of electric motor 44 and drive wheel 42 pivotable under the force of a torsion spring be mounted on the sub-platform and a separate electric motor can be provided, who swings back the electric motor 44 with the drive wheel 42 when not in use that there is no contact with the ground.
  • a separate electric motor can be provided, who swings back the electric motor 44 with the drive wheel 42 when not in use that there is no contact with the ground.
  • this electric motor not shown, is in a separate control element is provided for the control unit 52.
  • the telescopic platform 18 When the sub-platform is in contact with the floor level, the telescopic platform 18 is then connected extended by the drive 22 and lowered so far that the feeler roller 48 touches with the increased floor space. This is sensed by means of the switch 50. The telescopic platform 18 is now extended further, due to the contact between the feeler roller 48 and the raised floor ensures that the entire assembly cannot tip forward. When the telescopic platform 18 is extended sufficiently is, the wheels 12 come to rest on the raised floor. It goes without saying that an electronic control is provided which ensures that the telescopic platform 18 without touching the feeler roller 48 can only be extended so far that the arrangement certainly does not tip forward.
  • the telescopic platform 18 can continue to extend the sub-platform 26 can be raised by actuating the drive for the scissor mechanism and after moving completely vertically towards the upper platform 20, the lower platform and the upper platform together by actuating the drive 22 into the telescopic platform retracted so that the wheelchair is fully retracted can continue on the raised ground.
  • the device can also be used advantageously can, if a wheelchair user has an elevated object, for example in a kitchen that wants to reach.
  • the device can be modified in a variety of ways.
  • the scissor lift mechanism can be replaced by other lifting mechanisms.
  • the electric drives can be replaced by hydraulic drives, these hydraulic drives from the wheelchair user or the wheelchair user can be operated by means of a pump, etc. It. Not only can a telescopically extendable platform be provided, but it can several platforms can be nested telescopically.
  • the lock The wheelchair and the device can also be used in other suitable ways respectively.
  • the lifting / extending device can be an integral part of the wheelchair.
  • At the The front end of the telescopic platform can have a sensor device for distance sensing an obstacle or a floor.
  • FIG. 8 Another preferred embodiment of the device is shown in FIG. 8.
  • the scissors levers 28, 30 (the retracted position is shown in broken lines) on the Sub-platform 26 attached such that they are movable relative to the sub-platform as a whole or are movable.
  • the extended additional side members form 90, at their free ends with support rollers or support feet, not shown can be provided, an additional support that prevents the sub-platform 26 tilts when the wheelchair 2 (Fig. 1) is fully extended.
  • the drive for the Displacement of the additional side members is not shown.
  • the movability of the lifting mechanism relative to the sub-platform can also thereby allowing each of the scissor levers on the longitudinal beams 78 of the sub-platform is mounted by means of a block which is in threaded engagement with an electric motor driven spindle.
  • This embodiment has the advantage that the wheelchair 2 can be extended very far relative to the sub-platform, even if that has to be overcome Obstacle cannot be reached through the additional side members.
  • the additional side members 90 can also be provided to enlarge the support base.
  • a further support beam (not shown) can be extended is at its front end approximately at the level of the lowest point of the Wheels 12 (Fig. 1) of the wheelchair 2 support roller located.
  • Such a support beam can be used as additional anti-tipper.
  • the device can be equipped with load sensors that provide relief 1 of the support rollers on the left and then a further extension of the Wheelchair, especially if the feeler roller 48 or the aforementioned support roller is still not supported on the top of the step to be overcome.

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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)
  • Invalid Beds And Related Equipment (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Escalators And Moving Walkways (AREA)

Claims (13)

  1. Dispositif de levage/déploiement pour un fauteuil roulant (2), comportant
    une plate-forme inférieure (26) susceptible d'être posée sur le sol,
    une plate-forme supérieure (20) montée sur la plate-forme inférieure au moyen d'un système de levage (28, 30),
    un entraínement de levage (32, 34, 60, 62) pour le système de levage,
    une plate-forme télescopique (18) déployable approximativement horizontalement hors de la plate-forme supérieure, et un système de fixation (16 ; 76) pour fixer la plate-forme télescopique sur la face inférieure du fauteuil roulant,
    le dispositif de levage/déploiement (4) susceptible d'être fixé sur la face inférieure du fauteuil roulant pouvant être reçu au-dessous du fauteuil roulant situé sur le sol par ses propres roues (12 ; 14) lorsque le système de levage est complètement rétracté et que la plate-forme télescopique est complètement rétractée,
    caractérisé en ce que
    la plate-forme inférieure (26) est susceptible de rouler sur le sol et en ce qu'il est prévu un entraínement de roulement (42, 44) pour la plate-forme inférieure.
  2. Dispositif de levage/déploiement selon la revendication 1, caractérisé en ce que la plate-forme inférieure (26) comprend à ses quatre coins une roue de soutien respective (38), et en ce que l'entraínement de roulement est formé par une roue d'entraínement entraínée en rotation.
  3. Dispositif de levage/déploiement selon la revendication 2; caractérisé en ce que la roue d'entraínement (42) entraínée en rotation est susceptible d'être sortie vers le bas hors de la plate-forme inférieure (26) en pouvant s'effacer élastiquement.
  4. Dispositif de levage/déploiement selon l'une des revendications 1 à 3, caractérisé en ce que le dispositif de levage est réalisé sous forme de dispositif de levage à parallélogramme articulé dont l'un des leviers (30) est monté à l'extrémité arrière de la plate-forme inférieure (26) et guidé dans la plate-forme supérieure (20) et dont l'autre levier (28) est monté à l'extrémité arrière de la plate-forme supérieure et guidé dans la plate-forme inférieure.
  5. Dispositif de levage/déploiement selon l'une des revendications 1 à 4, caractérisé en ce qu'il est prévu un entraínement (22) pour déployer et rétracter la plate-forme télescopique (18) par rapport à la plate-forme supérieure (20), et en ce qu'à l'extrémité avant de la plate-forme télescopique (18) est prévu un détecteur (48, 50) pour détecter un obstacle.
  6. Dispositif de levage/déploiement selon l'une des revendications 1 à 5, caractérisé en ce qu'un rouleau tâteur palpeur (48) est agencé à l'extrémité avant de la plate-forme télescopique (18), dont la hauteur de roulement correspond approximativement à celle des roues (12, 14) d'un fauteuil roulant situé sur la plate-forme télescopique.
  7. Dispositif de levage/déploiement selon l'une des revendications 1 à 6, caractérisé en ce qu'il est prévu au moins un rail de guidage (84) sur la plate-forme télescopique (18) pour un appui et un guidage d'éléments adaptateurs (68, 70), susceptibles d'être fixés sur la face inférieure du fauteuil roulant (2), lors d'un roulement du fauteuil roulant (2) par l'intermédiaire du dispositif (4) dressé sur le sol et complètement rétracté.
  8. Dispositif de levage/déploiement selon l'une des revendications 1 à 7, caractérisé en ce qu'il est prévu une butée (58) pour limiter le mouvement du fauteuil roulant (2) par l'intermédiaire du dispositif dressé sur le sol et complètement rétracté.
  9. Dispositif de levage/déploiement selon l'une des revendications 1 à 8, caractérisé en ce qu'il est prévu un cadre adaptateur (16) susceptible d'être monté rigidement sur le fauteuil roulant (2), et en ce que le système de fixation (16 ; 76) est réalisé de telle sorte que le dispositif (4) complètement rétracté et dressé sur le sol est soulevé lors d'une fixation de la plate-forme télescopique (18) sur le cadre adaptateur.
  10. Dispositif de levage/déploiement selon les revendications 1 et 5, caractérisé en ce que les entraínements (44, 34, 22) pour la plate-forme inférieure (26), le système de levage (28, 30) et la plate-forme télescopique (18) sont manipulables par l'utilisateur du fauteuil roulant au moyen d'une unité de manipulation.
  11. Dispositif de levage/déploiement pour un fauteuil roulant (2), comportant
    une plate-forme inférieure (26) susceptible d'être posée sur le sol,
    une plate-forme supérieure (20) montée sur la plate-forme inférieure au moyen d'un système de levage (28, 30),
    un entraínement de levage (32, 34, 60, 62) pour le système de levage,
    une plate-forme télescopique (18) déployable approximativement horizontalement hors de la plate-forme supérieure, et un système de fixation (16 ; 76) pour fixer la plate-forme télescopique sur la face inférieure du fauteuil roulant,
    le dispositif de levage/déploiement (4) susceptible d'être fixé sur la face inférieure du fauteuil roulant pouvant être reçu au-dessous du fauteuil roulant situé sur le sol par ses propres roues (12 ; 14) lorsque le système de levage est complètement rétracté et que la plate-forme télescopique est complètement rétractée,
    caractérisé en ce que
    le système de levage (28, 30) est agencé sur la plate-forme inférieure (26) avec faculté de translation dans l'ensemble approximativement parallèlement à la direction de la mobilité de déploiement de la plate-forme télescopique (18).
  12. Dispositif de levage/déploiement selon la revendication 11, caractérisé en ce que des longerons supplémentaires (90) sont mobiles en translation sur des longerons (78) de la plate-forme inférieure (26) au moyen d'un entraínement, et en ce que le système de levage (28, 30) est monté sur les longerons supplémentaires.
  13. Fauteuil roulant caractérisé en ce que le fauteuil roulant (2) est pourvu d'un dispositif de levage/déploiement (4) selon l'une des revendications 1 à 12.
EP99904765A 1998-01-13 1999-01-12 Dispositif de levage et de deploiement pour un fauteuil roulant, et fauteuil roulant ainsi equipe Expired - Lifetime EP1047366B1 (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DE19800957 1998-01-13
DE19800957 1998-01-13
DE19817757 1998-04-21
DE19817757 1998-04-21
DE19855178 1998-11-30
DE19855178A DE19855178A1 (de) 1998-01-13 1998-11-30 Hub-/Ausfahrvorrichtung für einen Rollstuhl, sowie Rollstuhl
PCT/EP1999/000123 WO1999036023A1 (fr) 1998-01-13 1999-01-12 Dispositif de levage et de deploiement pour un fauteuil roulant, et fauteuil roulant ainsi equipe

Publications (2)

Publication Number Publication Date
EP1047366A1 EP1047366A1 (fr) 2000-11-02
EP1047366B1 true EP1047366B1 (fr) 2003-12-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP99904765A Expired - Lifetime EP1047366B1 (fr) 1998-01-13 1999-01-12 Dispositif de levage et de deploiement pour un fauteuil roulant, et fauteuil roulant ainsi equipe

Country Status (4)

Country Link
EP (1) EP1047366B1 (fr)
AT (1) ATE256447T1 (fr)
DE (2) DE19855178A1 (fr)
WO (1) WO1999036023A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104973485A (zh) * 2014-04-04 2015-10-14 陈立元 方便老弱病残上下楼装置

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10255516B4 (de) * 2002-11-27 2006-02-09 Bernd Schneider Stationäre Hebevorrichtung, insbesondere für Rollstühle und fahrbare Transporthilfen und Verfahren zur Überwindung eines treppenartigen Hindernisses
DE10348155A1 (de) * 2002-12-10 2004-07-01 Bemotec Gmbh Hubeinheit, insbesondere für Rollstuhlfahrer
DE10342500A1 (de) * 2003-09-12 2005-04-07 Losch Airport Equipment Gmbh Transportwagen zum Transport eines Krankenrollstuhls über Treppenstufen
FR2915875A1 (fr) * 2007-05-10 2008-11-14 Aquainov Sarl Fauteuil pour une personne a mobilite reduite
IL184390A (en) 2007-07-03 2014-09-30 Afikim Electric Vehicles Mobility scooter
DE102010054329B4 (de) * 2010-12-13 2014-02-06 Rudolf Rosenberger Motorischer Treppensteiger, insbesondere für schwere Lasten
CN102283750B (zh) * 2011-08-16 2013-08-21 上海电机学院 多功能休闲轮椅
GB2545166A (en) * 2015-11-26 2017-06-14 Mcgilligan Martin Wheelchair lifting apparatus
CN109009734B (zh) * 2018-06-19 2023-05-05 浙江机电职业技术学院 一种上下路沿轮椅及其上下路沿方法
CN113208825A (zh) * 2021-05-13 2021-08-06 湖南应用技术学院 一种快拼快拆式举升升降轮椅

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3230179A1 (de) * 1982-08-13 1984-02-16 Michael 8731 Elfershausen Fenn Rollstuhl
US5230522A (en) * 1991-06-25 1993-07-27 Gehlsen Paul R Apparatus for moving a wheelchair over stepped obstacles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104973485A (zh) * 2014-04-04 2015-10-14 陈立元 方便老弱病残上下楼装置

Also Published As

Publication number Publication date
DE19855178A1 (de) 1999-08-26
WO1999036023A1 (fr) 1999-07-22
ATE256447T1 (de) 2004-01-15
DE59908106D1 (de) 2004-01-29
EP1047366A1 (fr) 2000-11-02

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