EP0820749A1 - Fauteuil roulant avec entraínement à moteur - Google Patents

Fauteuil roulant avec entraínement à moteur Download PDF

Info

Publication number
EP0820749A1
EP0820749A1 EP97810500A EP97810500A EP0820749A1 EP 0820749 A1 EP0820749 A1 EP 0820749A1 EP 97810500 A EP97810500 A EP 97810500A EP 97810500 A EP97810500 A EP 97810500A EP 0820749 A1 EP0820749 A1 EP 0820749A1
Authority
EP
European Patent Office
Prior art keywords
drive
wheelchair
wheelchair according
seat
drive wheel
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.)
Withdrawn
Application number
EP97810500A
Other languages
German (de)
English (en)
Inventor
Silvan Mück
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.)
Schweizerische Eidgenossenschaft Vertreten Durch Die Sm Schweizerische Munitions-Unternehmung Der Gruppe Ruestung
Original Assignee
Schweizerische Eidgenossenschaft Vertreten Durch Die Sm Schweizerische Munitions-Unternehmung Der Gruppe Ruestung
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 Schweizerische Eidgenossenschaft Vertreten Durch Die Sm Schweizerische Munitions-Unternehmung Der Gruppe Ruestung filed Critical Schweizerische Eidgenossenschaft Vertreten Durch Die Sm Schweizerische Munitions-Unternehmung Der Gruppe Ruestung
Publication of EP0820749A1 publication Critical patent/EP0820749A1/fr
Withdrawn legal-status Critical Current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
    • A61G5/043—Mid 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
    • A61G5/10—Parts, details or accessories
    • A61G5/1051—Arrangements for steering
    • 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
    • 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
    • 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
    • A61G5/1056—Arrangements for adjusting the seat
    • A61G5/1072—Arrangements for adjusting the seat rotating the whole seat around a vertical axis

Definitions

  • the present invention relates to a wheelchair according to the preamble of claim 1.
  • the wheelchair should over easily Drive away ground surveys such as thresholds, paragraphs, etc. can, without third parties having to support and / or lift it.
  • a slightly disabled wheelchair user is also said to be can use this as a stand-up aid; Components of the Wheelchairs must not make it difficult to get up and sit down.
  • the realized construction should also be largely maintenance-free be; the individual components should be standard parts can have, which can be exchanged by any mechanic are.
  • the vibratory drive means mentioned in the claim are pressed onto the floor by the spring damping device and result in good power transmission even with bumps, so that door thresholds and other obstacles easily are run over.
  • the floor bumps balancing, oscillating drive means in the area the center of gravity, i.e. preferably in the lot below of the center of gravity are movable and the associated Swing axes viewed in the direction of travel, in front of the support column the seat of the chair are arranged.
  • This configuration also has the advantage of being caused by obstacles Bumps due to the relatively long pendulum travel of the drives, have only a minor impact on the driver and the drive wheels climb over the respective obstacle "caterpillar-like".
  • the wheelchair according to the invention provides i.a. even older ones slightly disabled people the necessary mobility in the familiar, not specially adapted environment, which is necessary is to reduce stays at home or at least in time to delay.
  • the wheelchair according to claim 2 ensures an improved Friction of the drive wheels and allows safe Overcoming major obstacles.
  • the speed control according to claim 3 results in synchronous operation a straight ahead ride; individual control enables Cornering at appropriate speeds.
  • Disengaging the drive wheels or lifting them off the floor area allows easy maneuvering of the wheelchair by hand, for example pushing by nursing staff inside the house, cf. Claim 4.
  • a rotatable seat according to claim 5 results in another Increased comfort and ensures turning on site. - This can use in quasi-stationary workplaces allow by disabled people.
  • a wheelchair can be claimed 7 can be used as a stand-up aid; the deep location the center of gravity prevents it from falling over, or a Roll over.
  • the embodiment according to claim 8 is advantageous it makes getting in and out easier.
  • the embodiment according to claim 9 ensures the use of individual control elements adapted to the disability.
  • a joystick according to claim 10 is particularly convenient.
  • a wheelchair such as that of an elderly person used in its familiar environment is in 1 with 1.
  • a backrest 2 is like an office chair attached to a padded seat 3; as well Armrests 4 over supports 5 with spring clips 6.
  • the support column 9 is in a warehouse 10 guided with sealing flange on top; another camp is located in a support tube 11.
  • a small drive motor in front of the support tube 11 is a small drive motor in a horizontal position 14 flanged to a gear 15 for direct current operation.
  • a gear 15 for direct current operation.
  • a 5-armed base 16 with five rotatable bearing yokes 17, which rollers 18 with Pick up roller axles 19.
  • a differential 23 is arranged on the drive support 22, from this protrude drive shafts 24 on both sides, which Wear drive wheels 25.
  • control connections 26 in the form of Plugs attached, which with any actuators are connectable.
  • the base is viewed from above 16 with trunnions 17 'to see which rotates the bearing yokes 17 lead.
  • the center of the base 16 is here marked with A.
  • the one for moving in the azimuth direction provided drive motor 14, is here with the gear 15, which is partially drawn in a sectional view see.
  • Stored web 32 serves as a bearing for the two gears 30 and 33; the direction of movement - counterclockwise - is marked with an arrow and also refers to the chair above.
  • the gearbox 45 has a gear attachment 39 with four hexagon socket screws on.
  • FIG. 4 shows again the groove bearings 37 and shoulder bearings 37 ' Parts 24a and 24b, this time in a sectional view with their engagement in the worm wheel 35, which on a wedged to also known compensation housing 46 is.
  • the robust design of the wheelchair 1 also allows it Outdoor use. All storage locations are oversized and therefore almost maintenance-free. The wheelchair could therefore without major constructive changes to a "city business" be adjusted.
  • the differential 23 can be replaced by two traction motors which are via an electronic synchronization control and an electronically controlled limited slip differential with each other are coupled.
  • height-adjustable drive shafts could also be used 24 are provided with corresponding drive wheels 25 the wheelchair in the manner of a stair cart optimally accessible by stairs to design.
  • Individually height-adjustable are also conceivable Rollers 18, which, controlled by a level sensor, extend if the wheelchair threatens to tip over.
  • the wheelchair described mainly serves the elderly, who stay in their "own four walls” for as long as possible and want to use the usual infrastructure. It is advisable therefore, the seat is also electromechanical and / or to be hydraulically adjustable in height.
  • the second variant of a wheelchair 1, FIG. 5, in turn has a backrest 2 and a seat 3 over a molded body 7.
  • the armrests 4 with supports 5 and spring clips 6 ' are also designed similar to FIG. 1.
  • the wheelchair 1 In the direction of travel viewed on the right side, the wheelchair 1 has a joystick 50 in the manner of a joy stick, which on a Remote 51 is arranged with displays.
  • control connections 26 Below the control panel 51 control connections 26 are provided, which in FIG shown electrically with control electronics 65 are connected.
  • a resiliently designed Support column 9 On the molded body 7, flanged centrally, is a resiliently designed Support column 9. Located on both sides of the support column 9 itself clamping plates 62, which fix horizontal tubes 57 and Components of a frame for a footrest are. Below of the clamping plates 62 there are two accumulators 12 ' which are stored on a support 13 'with an integrated charger are. A charging connection is arranged in front of an accumulator 12 ' 64 with controller, which in turn periodically over any Mains cable is fed for recharging. In the lower part of the Support column 9, the pin-like part 9 'is provided with a flange and stored in a base 16. The base 16 points also five rollers 18 on roller axes 19 on rotatable Bearing yokes 17 on.
  • the worm gears 27 'and 27 " are single drives designed and with their traction motors 28 'and 28 "each on one Trailing arm swing arm 70 mounted.
  • FIG. 6 Here is in addition to FIG. 5 a backrest setting 2 ′ can be seen; likewise the formal design of the armrests 4, which are adaptable via clamping plates 53. On the front support 5 is a remote bracket 52, which is also is adjustable.
  • the construction of the footrest can be seen in more detail.
  • FIG. 6 shows the outer shape of the trailing arm rocker 70 with their bearings and the swing axis 71, as well a gas spring cylinder 72, the top of a bearing 75, is pivotally attached to the base 16 and over his Gas spring piston 73 on a lower bearing 74 on the worm gear 27 "which engages with the Trailing arm swing arm 70 is connected.
  • a drive motor 28 On the worm gear 27 "a drive motor 28" is flanged on.
  • the functional parts 70 to 75 form a kind of semi-trailing arm and a height compensation h allow, the pivoting or swinging movement accordingly the direction of the two arrows and the End positions of the drive wheel 25 and the traction motor 28 " are shown in dash-dotted lines.
  • FIG. 7 reveals further details, where - for drawing reasons - the seat 3, or the chair 1 are not shown. You can also use the articulated design of the tube 57 to 58 'formed Recognize frame; additionally a strut 63.
  • FIGS. 6 and 7 shows that the wheelchair 1 has a very stable driving behavior must have and due to its low center of gravity is safe from tipping over, even with unevenness.
  • the swinging Independent wheel drive gives very good traction; of the Contact pressure of the drive wheels 25 can be selected by the Gas spring 72-73 can be predetermined.
  • the two drive motors 28 ′, 28 ′′ run toward one another synchronous. Changes in the present embodiment the control electronics controlled by the position of the joystick 50 65, through appropriate connections and not drawn electrical lines the speed of the drive motors 28 'and 28 "so that a curve is made optionally with a large or small radius, i.e. It is a Possible to turn on site.
  • FIGS. 8 to 10 differs from the second variant Fig. 5 to Fig. 7 essential through their two wishbone rocker arms 80, which are in swing axes 71 'are stored.
  • the other components are equal; are only due to the concentric training of the drive systems, planetary gear 81 instead of Worm gear kicked.
  • Figures 8 and 10 impressively show the high stability of the wheelchair 1. However, they are disadvantageous resulting relatively large curve radii, so that this type of construction rather as a wheelchair for outdoor use is cheap.
  • the fourth variant, Fig. 11, 12 has a central wishbone support 90, Fig. 11, on which four joint members 91st attack which is the lead of the suspension of the two Worm gear 27 "serve.
  • Fig. 11 with a floor survey E shows the Operation of the device.
  • FIG. 12 shows a partial sectional view in the longitudinal axis, that four lifting cylinders 92 are provided, which the Lift or swivel drive wheels 25 vertically can.
  • the suspension is opposite the second and third variants the drives in their deflection very limited, which the Use of the wheelchair for special applications, for example suggested for sports purposes.
  • a folding device 54 provided that the two spring clips 6 'adjustable between two clamping plates 53 fixed and on a hinge 55 is mounted below the seat 3.
  • Fig. 13 is also in dash-dotted lines Armrest 4 shown with its supports 5 in the folded state. This position of the armrest 4 allows this relatively easy entry and exit even of severely disabled people People.
  • the folding device is fixed by a locking screw 56 with a lock known per se.
  • the foot plate 61, Fig. 6, 7, 9, 10 and 12 can be on her Adjust the frame so that it can be used as a stand-up aid serves.
  • the deep focus in all embodiments prevents overturning, i.e. the footplate 61 lies flat on the floor while the wheelchair is with its rear wheels stand out slightly from the ground thus with the ideal inclination to stand up the wheelchair user sets.
  • the wheelchair user himself by shifting his weight in Direction of travel, or with the help of a caregiver, initiate the required tilting movement.
  • the exemplary embodiments can of course also be used their construction elements and their characteristics with each other combine, so that individually the needs and disabilities customized wheelchairs created on a modular basis can be.
  • the drives can be easily disengage so that the wheelchairs are maneuverable, for example by nursing staff - comparisons Lift cylinder 92, FIGS. 11 and 12.

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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)
EP97810500A 1996-07-22 1997-07-17 Fauteuil roulant avec entraínement à moteur Withdrawn EP0820749A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH1825/96 1996-07-22
CH182596 1996-07-22
CH1111/97 1997-05-12
CH111197 1997-05-12

Publications (1)

Publication Number Publication Date
EP0820749A1 true EP0820749A1 (fr) 1998-01-28

Family

ID=25686691

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97810500A Withdrawn EP0820749A1 (fr) 1996-07-22 1997-07-17 Fauteuil roulant avec entraínement à moteur

Country Status (1)

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EP (1) EP0820749A1 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000004857A1 (fr) 1998-07-21 2000-02-03 Sks Rehab Ag Fauteuil roulant
EP1074237A2 (fr) * 1999-08-06 2001-02-07 Himolla Polstermöbel GmbH Fauteuil
DE102007062406A1 (de) * 2007-12-20 2009-07-16 Herbert Burdich Gehhilfe mit Antriebsmodul
DE19983619B4 (de) * 1998-10-06 2009-10-01 Sunny Brook & Women's College Health Sciences Centre, North York Motorisierter Rollstuhl
US8720616B2 (en) 2004-12-01 2014-05-13 Borringia Industrie Ag Wheeled object of the type adapted to be operated by a walking person
US10335330B2 (en) 2017-03-02 2019-07-02 Travelsys4u Ltd. Motor-driven chair steered by seat rotation
US20200237589A1 (en) * 2019-01-29 2020-07-30 Lg Electronics Inc. Electric wheelchair
US20210146528A1 (en) * 2019-11-18 2021-05-20 Lg Electronics Inc. Robot
DE102020108095A1 (de) 2020-03-24 2021-09-30 Schaeffler Technologies AG & Co. KG Fahrzeugantriebseinheit und Fahrzeug mit einer Fahrzeugantriebseinheit
SE2130273A1 (en) * 2021-10-11 2023-04-12 Mercado Medic Ab A personal movable chair and a method for controlling said chair
CN118141622A (zh) * 2024-05-09 2024-06-07 福佑康智能医疗科技(昆山)有限公司 多功能折叠轮椅

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2978053A (en) * 1957-10-21 1961-04-04 Arthur O Schmidt Driving and steering apparatus for wheel chairs
US3023825A (en) * 1958-11-17 1962-03-06 Rabjohn Rodney Robert Power operated wheel chair
FR2383822A1 (fr) * 1977-03-14 1978-10-13 Sentralinst For Ind Forskning Chariot inferieur
AT384734B (de) * 1986-02-26 1987-12-28 Berger Meinhard Dr Stuhl, insbesondere fuer koerperbehinderte
EP0338689A2 (fr) * 1988-03-30 1989-10-25 Alan Salisbury Lamburn Chariot
DE9012191U1 (de) * 1990-08-24 1990-10-25 MEYRA Wilhelm Meyer GmbH & Co KG, 4925 Kalletal Rollstuhl
GB2249287A (en) * 1990-11-01 1992-05-06 Nicholas Ewart Edmund Wheelchair.
US5183133A (en) * 1991-03-13 1993-02-02 Canadian Aging & Rehabilitation Product Development Corporation Motor-driven chair
US5445233A (en) * 1994-08-04 1995-08-29 Fernie; Geoffrey R. Multi-directional motorized wheelchair

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2978053A (en) * 1957-10-21 1961-04-04 Arthur O Schmidt Driving and steering apparatus for wheel chairs
US3023825A (en) * 1958-11-17 1962-03-06 Rabjohn Rodney Robert Power operated wheel chair
FR2383822A1 (fr) * 1977-03-14 1978-10-13 Sentralinst For Ind Forskning Chariot inferieur
AT384734B (de) * 1986-02-26 1987-12-28 Berger Meinhard Dr Stuhl, insbesondere fuer koerperbehinderte
EP0338689A2 (fr) * 1988-03-30 1989-10-25 Alan Salisbury Lamburn Chariot
DE9012191U1 (de) * 1990-08-24 1990-10-25 MEYRA Wilhelm Meyer GmbH & Co KG, 4925 Kalletal Rollstuhl
GB2249287A (en) * 1990-11-01 1992-05-06 Nicholas Ewart Edmund Wheelchair.
US5183133A (en) * 1991-03-13 1993-02-02 Canadian Aging & Rehabilitation Product Development Corporation Motor-driven chair
US5445233A (en) * 1994-08-04 1995-08-29 Fernie; Geoffrey R. Multi-directional motorized wheelchair

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000004857A1 (fr) 1998-07-21 2000-02-03 Sks Rehab Ag Fauteuil roulant
DE19983619B4 (de) * 1998-10-06 2009-10-01 Sunny Brook & Women's College Health Sciences Centre, North York Motorisierter Rollstuhl
EP1074237A2 (fr) * 1999-08-06 2001-02-07 Himolla Polstermöbel GmbH Fauteuil
DE19937257A1 (de) * 1999-08-06 2001-02-15 Himolla Polstermoebel Werk Sitzmöbel
EP1074237A3 (fr) * 1999-08-06 2002-08-21 Himolla Polstermöbel GmbH Fauteuil
US8720616B2 (en) 2004-12-01 2014-05-13 Borringia Industrie Ag Wheeled object of the type adapted to be operated by a walking person
DE102007062406B4 (de) * 2007-12-20 2010-04-15 Herbert Burdich Gehhilfe mit Antriebsmodul
DE102007062406A1 (de) * 2007-12-20 2009-07-16 Herbert Burdich Gehhilfe mit Antriebsmodul
US10335330B2 (en) 2017-03-02 2019-07-02 Travelsys4u Ltd. Motor-driven chair steered by seat rotation
US20200237589A1 (en) * 2019-01-29 2020-07-30 Lg Electronics Inc. Electric wheelchair
US20210146528A1 (en) * 2019-11-18 2021-05-20 Lg Electronics Inc. Robot
US11623341B2 (en) * 2019-11-18 2023-04-11 Lg Electronics Inc. Robotic wheelchair
DE102020108095A1 (de) 2020-03-24 2021-09-30 Schaeffler Technologies AG & Co. KG Fahrzeugantriebseinheit und Fahrzeug mit einer Fahrzeugantriebseinheit
SE2130273A1 (en) * 2021-10-11 2023-04-12 Mercado Medic Ab A personal movable chair and a method for controlling said chair
CN118141622A (zh) * 2024-05-09 2024-06-07 福佑康智能医疗科技(昆山)有限公司 多功能折叠轮椅

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