EP1279391A2 - Véhicule de faible dimension, en particulier fauteuil roulant - Google Patents

Véhicule de faible dimension, en particulier fauteuil roulant Download PDF

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Publication number
EP1279391A2
EP1279391A2 EP02015399A EP02015399A EP1279391A2 EP 1279391 A2 EP1279391 A2 EP 1279391A2 EP 02015399 A EP02015399 A EP 02015399A EP 02015399 A EP02015399 A EP 02015399A EP 1279391 A2 EP1279391 A2 EP 1279391A2
Authority
EP
European Patent Office
Prior art keywords
vehicle according
small vehicle
base body
wheels
fastened
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
EP02015399A
Other languages
German (de)
English (en)
Other versions
EP1279391B1 (fr
EP1279391A3 (fr
Inventor
Bernd Engels
Stefan Lippert
Jörg Sättele
Thomas Birmanns
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.)
Alber GmbH
Original Assignee
Alber 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 Alber GmbH filed Critical Alber GmbH
Publication of EP1279391A2 publication Critical patent/EP1279391A2/fr
Publication of EP1279391A3 publication Critical patent/EP1279391A3/fr
Application granted granted Critical
Publication of EP1279391B1 publication Critical patent/EP1279391B1/fr
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
    • A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • A61G5/041—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven having a specific drive-type
    • A61G5/045—Rear wheel drive
    • 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
    • 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
    • A61G5/0875—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable dismountable, e.g. where the wheelchair can be disassembled for transportation or storage
    • 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
    • A61G5/0883—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable having locking means for maintaining a folded or unfolded condition
    • 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
    • A61G5/1078—Parts, details or accessories with shock absorbers or other suspension arrangements between wheels and frame
    • 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
    • A61G5/1083—Quickly-removable wheels
    • 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
    • A61G2203/00—General characteristics of devices
    • A61G2203/10—General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
    • A61G2203/14—Joysticks

Definitions

  • the invention relates to a small vehicle, in particular a wheelchair, the chassis of which has a self-supporting base body.
  • Wheelchairs including those that can be driven by a motor, usually have a frame in which a seat is integrated and on which two drivable wheels and two freely pivotable or optionally motor-steered wheels are directly linked.
  • the drivable wheels can be driven manually via hand rims or by motor.
  • Such wheelchairs are often provided with a folding mechanism which enables the wheelchair frame to be folded up.
  • a wheelchair is known for example from EP 0 790 049 A2.
  • Wheelchairs of the type explained above are particularly suitable for a so-called outdoor operation, i.e. Operation outside closed rooms and especially on uneven paths, for example field or forest paths, is unsuitable.
  • the frame construction described has only a relatively low stability.
  • the direct linkage of the wheels to a tubular frame only allows insufficient suspension for uneven paths, which is usually provided exclusively by appropriate pneumatic tires.
  • the technical problem on which the invention is based is to provide a small vehicle, in particular a wheelchair, which has a stability which is also suitable for outdoor operation and a driving behavior suitable for outdoor operation and at the same time enables it to be dismantled, which makes it possible to transport it in the usual way Passenger cars allowed.
  • the small vehicle according to the invention has a self-supporting base body, on the handlebars are articulated for fastening the wheels and on which a seat device can be fastened.
  • the self-supporting base body takes on the load-bearing function of the chassis in the small vehicle according to the invention.
  • the basic body has sufficient rigidity to be able to perform this load-bearing function.
  • the basic body is monolithic. This means that the base body has a block-like structure that provides sufficient strength, is relatively light and has appropriate fastening points for articulating the handlebars and for receiving the seat device.
  • the base body can be made, for example, from an extruded profile, aluminum or aluminum alloys being possible as materials.
  • the base body can also be made from a suitable plastic or a composite material and from wound sheet metal.
  • the drive wheels preferably have a hub motor. This eliminates the need for a drive train from the chassis to the drive wheels. The torque is generated in the hub motor itself and the fixed part of the hub motor only has to be supported on the corresponding handlebar by a suitable device in order to ensure propulsion.
  • Corresponding electric motors are particularly suitable for driving such a small vehicle.
  • the batteries required for the power supply can be fastened to the base body, preferably also by means of corresponding quick-release devices which allow the batteries to be changed quickly.
  • Connection points for accumulators can be provided on opposite sides of the base body.
  • several connection points can be provided for optional operation with one or more accumulators, which can be fastened centrally to the vehicle axis when operated with an accumulator and which can be fastened symmetrically to the vehicle axis when operated with several accumulators.
  • the seat device of the small vehicle preferably has a seat, a seat back and a footrest and two armrests and forms a complete unit.
  • This unit can, preferably also by means of a quick-release device, be attached to and detached from the base body.
  • the seat device can be designed to be foldable. Thanks to the modular design of the small vehicle, the seat can be made particularly ergonomic, so that seat shells can also be used for the severely disabled.
  • the seat device can be arranged rotatably, so that one Rotation of the seat by 180 ° from a rear-wheel drive vehicle to a front-wheel drive vehicle.
  • the handlebars for receiving the freely swiveling wheels are preferably designed as spring-mounted double links. This makes it possible to ensure that the caster of the freely pivotable wheels remains essentially constant over the entire spring travel, in particular when the freely pivotable wheels are articulated on the handlebars by means of a thru-axle running vertically to the ground. If the suspension travel is limited, the front links can also be designed as single links.
  • the handlebars provided for receiving the drive wheels are preferably designed as trailing arms which are supported on the base body via a spring / damper unit.
  • a small vehicle designed as a wheelchair of the type described above has excellent stability and enables the wheels to be spring-loaded, which permits operation even on uneven paths.
  • the structure of this wheelchair allows it to be disassembled into individual assemblies, which enables the wheelchair to be transported in the trunk of a commercially available car.
  • the individual wheels and the accumulators can also be easily stowed away and the seat device can also be brought into a space-saving flat shape by means of a corresponding folding mechanism.
  • the base body can be attached to the attachment points of the drive wheels and / or Seat device and / or the accumulators have interfaces for electrical lines.
  • a control panel can be provided on an armrest of the seat device.
  • each hub motor having a separate control unit if hub motors are used. In this case there is no need for lines for control signals.
  • accumulators that are attached to the base body, all that then has to be provided is a current transmission to the hub motors.
  • the accumulators are also housed in the wheel hubs of the drive wheels and a wireless signal transmission of the control commands is provided, the need for electrical lines between the chassis and the wheels is completely eliminated.
  • a base body 10 is provided in the form of an extruded profile 11 made of an aluminum alloy.
  • the extruded profile 11 is closed at its two longitudinal ends by means of appropriately screwed end plates 12.
  • Stiffening elements (not shown) or other assemblies, for example switching devices, etc. (not shown) can be arranged in the essentially hollow interior of the base body 10.
  • a receiving device 14 is provided which serves for the easily releasable fastening of a seat device 50 by means of a quick-release device, not shown in any more detail.
  • the seat device 50 has frame profiles which, together with a covering or upholstery, not shown, result in a seat 51, a seat back 52, a footrest 53 and a strut 54 for fastening a control panel 60. It is understood that armrests (not shown) can be provided on both sides.
  • the seat device for example a seat surface and a backrest, optionally with corresponding side parts, as a self-supporting structure with corresponding connecting elements to the base body or a corresponding seat frame.
  • the seat device is provided with a folding mechanism, which allows the detached from the base body 10 Folding the seat device 50 so that it results in an easily transportable, essentially flat element.
  • the base body 10 On the base body 10, two front links 20 and two rear links 30 are articulated, in each case on the left and right side, as seen in the direction of travel.
  • the rear link 30 are designed as trailing arms, which are supported on the base body 10 via a spring / damper arrangement 31.
  • the front links 20 are designed as double links, which are coupled to one another via a spring / damper mechanism (not shown) arranged in the interior of the base body 10.
  • Two drive wheels 35 are articulated to the rear links 30 by means of horizontally running plug-in axles 36 and quick release devices (not shown in more detail).
  • Two freely pivotable front wheels 25 are articulated on the front links 20 by means of vertically arranged plug-in axles 26 and also quick-release devices (not shown).
  • the position of the axis of rotation 27 of the front wheel 25 is offset relative to the position of the thru axle 26 in the installed state, so that there is a caster that always aligns the front wheels 25 in the direction of travel when driving straight ahead.
  • the wheelchair is controlled by a separate actuation of the two driven rear wheels 35, the drive preferably being effected via hub motors, not shown, which are designed as electric motors, and the steering commands being entered via the control panel 60.
  • the front link 20, designed as a double link, is designed such that the caster of the front wheel 25 remains essentially constant over the entire available travel.
  • One or more accumulators 70 can be attached to the base body 10 by means of quick-release devices be hung up.
  • the quick-release devices for fastening the batteries 70 have interfaces for electrical lines which provide an electrical connection of the batteries 70 to the hub motors.
  • a protective device in the form of a protective bracket 80 can be attached to the base body 10, preferably in a removable manner.
  • a climbing aid 28 is provided on the front wheels 25.
  • the climbing aid 28 is designed in pairs per front wheel 25 and is spring-loaded on both sides of each front wheel 25 so that it assumes the position shown in FIG. 6 in the normal operating state.
  • the climbing aid 28 can be pivoted about its pivot axis 29 by a certain path in the direction of rotation of the wheel indicated by the arrow A in FIGS. 6 and 7.
  • the climbing aid 28 When the wheelchair approaches the front edge 90 of a curb 90, the climbing aid 28 is initially in the uppermost pivot position, which is predetermined by the spring force. As soon as the climbing aid 28 comes into contact with the curb 90, the climbing aid 28 pivots in the direction of rotation of the front wheel 25 as a result of the propulsive force provided by the drive wheels. This raises the front wheel 25 until it comes into contact with the curb in a suitable position that it can overcome the step given by the curb 90 with further forward movement.
  • the direct articulation of the climbing aids 28 on the freely pivotable front wheels 25 ensures that the climbing aids 28 are always in a suitable orientation to an obstacle, in particular when approaching a curb or another step at an angle. It however, it goes without saying that the climbing aids can also be articulated directly on the base body.
  • the seat device 50, the accumulators 70, the rear wheels 35 and the front wheels 25 can be removed by means of simple quick-release fasteners, the seat device 50 being able to be correspondingly folded or folded after removal.
  • the fact that it can be dismantled also ensures that the individual components have a relatively low weight, so that the components can be easily stowed away.
  • the provision of quick-release fasteners means that the wheelchair can be dismantled easily, even by technically unskilled people, without any tools.
  • the wheelchair is easy to dismantle, due to its construction according to the invention, it is suitable for also being used outdoors. It combines the comfort of four spring-loaded wheels and the stability required for outdoor use with the lightness and portability of an ordinary indoor wheelchair.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Health & Medical Sciences (AREA)
  • Handcart (AREA)
  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Prostheses (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
EP02015399A 2001-07-26 2002-07-11 Fauteuil roulant Expired - Lifetime EP1279391B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10136369 2001-07-26
DE10136369A DE10136369C2 (de) 2001-07-26 2001-07-26 Kleinfahrzeug,insbesondere Rollstuhl

Publications (3)

Publication Number Publication Date
EP1279391A2 true EP1279391A2 (fr) 2003-01-29
EP1279391A3 EP1279391A3 (fr) 2003-10-08
EP1279391B1 EP1279391B1 (fr) 2006-10-04

Family

ID=7693133

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02015399A Expired - Lifetime EP1279391B1 (fr) 2001-07-26 2002-07-11 Fauteuil roulant

Country Status (8)

Country Link
US (1) US20030122332A1 (fr)
EP (1) EP1279391B1 (fr)
AT (1) ATE341300T1 (fr)
CA (1) CA2394417A1 (fr)
DE (2) DE10136369C2 (fr)
DK (1) DK1279391T3 (fr)
ES (1) ES2273952T3 (fr)
NO (1) NO318350B1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7040429B2 (en) 2001-10-10 2006-05-09 Invacare Corporation Wheelchair suspension
US8297388B2 (en) 2007-01-12 2012-10-30 Invacare International Sarl Wheelchair with suspension arms
ITPD20110170A1 (it) * 2011-05-25 2012-11-26 Rinaldi Fabio Sedia a rotelle per disabili pieghevole e divisibile
US9603762B2 (en) 2007-02-08 2017-03-28 Invacare Corporation Wheelchair suspension
US9700470B2 (en) 2012-02-15 2017-07-11 Invacare Corporation Wheelchair suspension
FR3046980A1 (fr) * 2016-01-21 2017-07-28 Franck Andre-Marie Guigan Dispositif d'aide au franchissement d'obstacle pour vehicule
US9827823B2 (en) 2007-02-14 2017-11-28 Invacare Corporation Stability control system
US9925100B2 (en) 2002-10-25 2018-03-27 Invacare Corporation Suspension for wheeled vehicles
US9987177B2 (en) 2000-10-27 2018-06-05 Invacare Corporation Obstacle traversing wheelchair
US11096845B2 (en) 2009-10-09 2021-08-24 Invacare Corporation Wheelchair suspension
US11213441B2 (en) 2002-10-25 2022-01-04 Invacare Corporation Suspension for wheeled vehicles
US11903887B2 (en) 2020-02-25 2024-02-20 Invacare Corporation Wheelchair and suspension systems

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7066290B2 (en) 2001-10-19 2006-06-27 Invacare Corp. Wheelchair suspension having pivotal motor mount
US6663122B1 (en) * 2002-07-18 2003-12-16 Wan-Hsing Lin Stroller frame
TWM247200U (en) * 2003-09-10 2004-10-21 Univ Nat Chunghsing Height adjustment structure for seat of electric wheelchair
DE102004015603B3 (de) * 2004-03-30 2005-04-14 Otto Bock Healthcare Gmbh Zerlegbarer Elektrorollstuhl
NZ540127A (en) * 2005-05-18 2008-03-28 Metalform Dannevirke Ltd Wheel chair with seat lowerable to floor level, and able to raise to high level, with enhanced stability and centre of gravity location
US7413045B2 (en) * 2005-11-30 2008-08-19 Karma Medical Products Co., Ltd. Battery quick-release structure for an electric mobility scooter
EP1792750A1 (fr) * 2005-12-05 2007-06-06 Invacare International Sàrl Dispositif de support de roue amovible pour chaise roulante
DE202019100213U1 (de) * 2019-01-15 2019-01-31 Ciar S.P.A. Sessel
CN111803292B (zh) * 2020-06-17 2024-07-05 杭州树仁科技有限公司 一种行动不便病人用爬梯机
CN111803293B (zh) * 2020-06-17 2024-07-05 杭州树仁科技有限公司 一种具有刹车功能的运动不便病人用爬梯机

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EP0790049A2 (fr) 1996-02-14 1997-08-20 Yamaha Hatsudoki Kabushiki Kaisha Fauteuil roulant

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Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9987177B2 (en) 2000-10-27 2018-06-05 Invacare Corporation Obstacle traversing wheelchair
US7040429B2 (en) 2001-10-10 2006-05-09 Invacare Corporation Wheelchair suspension
US10512572B2 (en) 2002-10-25 2019-12-24 Invacare Corporation Suspension for wheeled vehicles
US11213441B2 (en) 2002-10-25 2022-01-04 Invacare Corporation Suspension for wheeled vehicles
US9925100B2 (en) 2002-10-25 2018-03-27 Invacare Corporation Suspension for wheeled vehicles
US8297388B2 (en) 2007-01-12 2012-10-30 Invacare International Sarl Wheelchair with suspension arms
US11819464B2 (en) 2007-02-08 2023-11-21 Invacare Corporation Wheelchair suspension
US9603762B2 (en) 2007-02-08 2017-03-28 Invacare Corporation Wheelchair suspension
US11464687B2 (en) 2007-02-08 2022-10-11 Invacare Coporation Wheelchair suspension
US10265229B2 (en) 2007-02-08 2019-04-23 Invacare Corporation Wheelchair suspension
US10912690B2 (en) 2007-02-08 2021-02-09 Invacare Corporation Wheelchair suspension
US9827823B2 (en) 2007-02-14 2017-11-28 Invacare Corporation Stability control system
US10532626B2 (en) 2007-02-14 2020-01-14 Invacare Corporation Stability control system
US11097589B2 (en) 2007-02-14 2021-08-24 Invacare Corporation Stability control system
US11535078B2 (en) 2007-02-14 2022-12-27 Invacare Corporation Stability control system
US11096845B2 (en) 2009-10-09 2021-08-24 Invacare Corporation Wheelchair suspension
US11857470B2 (en) 2009-10-09 2024-01-02 Invacare Corporation Wheelchair suspension
US12453665B2 (en) 2009-10-09 2025-10-28 Invacare Corporation Wheelchair suspension
ITPD20110170A1 (it) * 2011-05-25 2012-11-26 Rinaldi Fabio Sedia a rotelle per disabili pieghevole e divisibile
US10434019B2 (en) 2012-02-15 2019-10-08 Invacare Corporation Wheelchair suspension
US11234875B2 (en) 2012-02-15 2022-02-01 Invacare Corporation Wheelchair suspension
US9700470B2 (en) 2012-02-15 2017-07-11 Invacare Corporation Wheelchair suspension
FR3046980A1 (fr) * 2016-01-21 2017-07-28 Franck Andre-Marie Guigan Dispositif d'aide au franchissement d'obstacle pour vehicule
US11903887B2 (en) 2020-02-25 2024-02-20 Invacare Corporation Wheelchair and suspension systems

Also Published As

Publication number Publication date
DE50208316D1 (de) 2006-11-16
DE10136369A1 (de) 2003-02-20
NO20023548D0 (no) 2002-07-25
CA2394417A1 (fr) 2003-01-26
DE10136369C2 (de) 2003-05-28
EP1279391B1 (fr) 2006-10-04
NO20023548L (no) 2003-01-27
EP1279391A3 (fr) 2003-10-08
NO318350B1 (no) 2005-03-07
US20030122332A1 (en) 2003-07-03
ES2273952T3 (es) 2007-05-16
ATE341300T1 (de) 2006-10-15
DK1279391T3 (da) 2007-01-29

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