EP0903138A1 - Fauteuil roulant - Google Patents

Fauteuil roulant Download PDF

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Publication number
EP0903138A1
EP0903138A1 EP97810689A EP97810689A EP0903138A1 EP 0903138 A1 EP0903138 A1 EP 0903138A1 EP 97810689 A EP97810689 A EP 97810689A EP 97810689 A EP97810689 A EP 97810689A EP 0903138 A1 EP0903138 A1 EP 0903138A1
Authority
EP
European Patent Office
Prior art keywords
wheelchair
wheels
gear
carrier
handwheel
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
EP97810689A
Other languages
German (de)
English (en)
Other versions
EP0903138B1 (fr
Inventor
Andreas Jutzeler
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.)
Jesag
Original Assignee
Jesag
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 Jesag filed Critical Jesag
Priority to DE59709861T priority Critical patent/DE59709861D1/de
Priority to EP97810689A priority patent/EP0903138B1/fr
Priority to AT97810689T priority patent/ATE237294T1/de
Publication of EP0903138A1 publication Critical patent/EP0903138A1/fr
Application granted granted Critical
Publication of EP0903138B1 publication Critical patent/EP0903138B1/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
    • A61G5/06—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
    • A61G5/063—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 with eccentrically mounted wheels
    • A61G5/065—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 with eccentrically mounted wheels with three or more wheels mounted on a rotary cross member, e.g. spiders or spoked wheels with small wheels at the end of the spokes
    • 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
    • A61G5/02—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person
    • A61G5/021—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person having particular propulsion mechanisms
    • A61G5/023—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person having particular propulsion mechanisms acting directly on hubs or axis
    • 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
    • A61G5/02—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person
    • A61G5/024—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs propelled by the patient or disabled person having particular operating means
    • A61G5/026—Cranks or hand wheels

Definitions

  • the invention relates to a wheelchair with a seat for one Person carrying frame, on the left and right at least one set of a plurality of wheels is arranged, which on the circumference of a rotatable about an axis Carrier are arranged.
  • Such wheelchairs which are already known in different designs are particularly suitable for overcoming obstacles. If one the wheels on an obstacle, for example a sidewalk edge or a stair step, the carrier rotates about its axis, so that the neighboring wheel is supported on the ground and the one on the obstacle Wheel is lifted off the ground.
  • British Patents 719,048 and 2 098 144 show wheelchairs of the type mentioned with three and respectively four wheels per set.
  • a major disadvantage of such wheelchairs is in that - unlike conventional wheelchairs with one each relative big wheel per side and a handwheel firmly connected to it - not can be moved by the disabled person himself using muscle power. Rather, such a wheelchair must be pushed by an assistant or powered by a motor.
  • this object is achieved in that left and on the right a handwheel is rotatably mounted, with means for transmission a torque exerted by the user on at least one the wheels interact.
  • a set preferably comprises three wheels.
  • the invention comprise the means for transmitting the torque a gear wheel connected to the handwheel in a rotationally fixed manner.
  • the Means for transmitting the torque according to a preferred embodiment the invention at least one planetary gear. So the drive conditions easily adapted to the person using the wheelchair can, the planetary gear is according to a particularly preferred embodiment interchangeably arranged on one of the wheels.
  • the invention provided means for connecting the carrier to the handwheel be.
  • Figure 1 shows a side view of a first embodiment of the inventive Wheelchair.
  • the frame 38 bearing the seat 38 is designated by 1.
  • On both sides of the seat is a set of three wheels 2 on one Carrier 3 rotatable about an axis 4.
  • the latter is only in Figure 1 shown in dashed lines because it is behind the wheels 2.
  • a handwheel 5 enables it allows the user to move the wheelchair like conventional ones Wheelchairs with two large wheels are known.
  • a gear 6 with the handwheel 5 non-rotatably connected. With this gear 6 meshes on the axis of the wheel 2 arranged further gear 7.
  • the wheelchair has a height adjustable Support device, which essentially consists of at least one adjustment mechanism 9, 31 and a support wheel 10. The task of the adjustment mechanism will be explained later.
  • Can on the back of the wheelchair Handles 11 can be arranged for an assistant pushing the wheelchair.
  • Corresponding operating levers 13 can also be used for the auxiliary person be provided.
  • the wheelchair can still have a sun roof 14 wear on the, for example if the wheelchair with an electric Drive is equipped, solar cells 15 arranged for charging a battery 16 could be.
  • each wheel 2 can even have a gear 8 with a side other gear ratio.
  • one of the gears have a gear ratio that covered about the same distance with a turn of the handwheel like a conventional wheelchair.
  • a second and a third gear can be designed so that less than the aforementioned or more distance per rotation of the handwheel becomes. This enables the user to adjust his wheelchair to the circumstances to adapt to the route to be traveled and its power conditions.
  • a gearbox - switchable in stages or continuously - can also be used with multiple gear ratios or variable Gear ratio can be used.
  • the transmission 8 is preferred designed as a planetary gear.
  • Figure 2 shows a side view of the wheelchair when overcoming one Level 18.
  • Such an operation is usually done in the following three phases expire.
  • the user becomes the one at the lower level 17 Guide the wheelchair backwards to level 18 until the corresponding one Wheel 2 touches this or is in front of it.
  • the later described coupling of the carrier 3 released so that it is about Axle 4 can rotate, causing another of the wheels 2 with the ground on the higher level 19 comes into contact and occupies the position shown in Figure 2.
  • the wheelchair can be used with relatively little effort be led entirely to the higher level 19.
  • the one just described Operation can be accomplished with even less effort if it is first with the wheels on one side and then with the wheels the other side.
  • the jockey wheels under actuation of the adjustment mechanism 9, 31 have been brought to the higher level 19 the wheelchair is in the operating position shown in FIG. 3.
  • the wheelchair can also be in the operating position shown in FIG. 3 operate.
  • the carrier is preferably released so that it can rotate freely.
  • This operating position is particularly important when driving on uneven terrain advantageous because there are always two wheels 2 in on each side Stand in contact with the floor and the seat when driving over bumps 38 raises and lowers less than the amount of bumps. With larger ones Bumps will rotate instead of the wheel in question, as described above in connection with Figure 2.
  • a Another advantage of this operating position is that the wheels 2 a lower ground pressure is exerted than in the operating position shown in FIG. 1, which is particularly beneficial on soft surfaces.
  • This Operating position in which the carrier is freely rotatable is also very suitable good for climbing entire stairs with the help of an assistant. By turning the handwheels, the disabled person can bring up the person to be brought up by the assistant Reduce strength.
  • FIG 4 is a partially sectioned view of the drive axle 20 shown.
  • the central drive axle 20 is at one end rotatably connected to the handwheel 5 and the gear 6.
  • a brake disc 21 is also arranged rotatably.
  • a brake 22 acting on the brake disc 21 is through an operating lever 12 or 13 operable.
  • the brake disc can be on your To be provided with a toothing circumference, with one by one Electric motor 23 driven pinion 24 is engaged.
  • the main advantage of an engine is that its torque acts not only on the wheels 2, but when overcoming obstacles also supports the rotation of the carrier 3.
  • the carrier carrying the wheels 2 3 is rotatably connected to a tube 25, which in turn is connected to bearings 26 is rotatably mounted in a sleeve 27 which is firmly connected to the frame 1.
  • the drive shaft 20 is rotatable in further bearings 28 added.
  • Couplings 29 and 30 together as follows.
  • the clutch 29 consists essentially from a movable cam mounted on the frame 1, which with on the face of the tube 25 existing grooves are engaged can. In this state, the carrier 3 is non-rotatable with the wheelset connected to the frame, for example in the operating position shown in Figure 1.
  • the clutch 30 can be, for example, a disk clutch be with which the carrier 3 can be connected to the drive shaft 20.
  • the Clutches 29 and 30 can be actuated by operating lever 12, namely preferably such that one operated by the right hand of the user Lever affects and affects a clutch on the left side of the wheelchair vice versa.
  • operating levers also be executed differently than shown in the drawings can.
  • multiple functions can be performed with a single lever be controllable by being rotatable and pivotable.
  • the levers can also be constructed so that it is different from the disabled person can be operated with the hands, for example with the knees or the elbows.
  • the operating levers or the couplings can also be designed that the couplings in both engaged and disengaged Lockable condition.
  • the wheelchair is equipped with a backstop (not shown), which an unwanted rolling back of the wheelchair when releasing the handwheel prevented.
  • This backstop can, for example, on the brake disc 21 arranged or integrated in the transmission 8. With another operating lever the user can cancel the effect of the backstop.
  • the Wheelchair is raised, of course, it requires a certain amount of strength. If the User does not have enough strength to do the operation on both sides at the same time to perform, he can lift one side at a time, taking of course the wheelchair tilts to the side temporarily.
  • the adjusting mechanism 9 can be actuated to the position of the support wheels 10 the changed ground clearance adapt.
  • the adjustment mechanism can include a spindle 31 which, as indicated in Figures 1 to 3, can be operated with a handwheel. Alternatively the adjustment mechanism can also be shown as in FIG Eccentric mechanism 32 may be formed.
  • the same Figure 5 also shows that a wheel set 33 can be provided instead of a single support wheel 10, which works similarly to the set consisting of wheels 2.
  • FIG 6 an alternative embodiment of the wheel set is strong shown schematically simplified.
  • the wheels 2 are so large that they overlap each other, which of course they are in a row Layers must be arranged.
  • the gear connected to the handwheel 5 6 is designed in this case as an internal gear, which has the advantage that the gear 8 does not have to reverse the direction of rotation of the gears 7.
  • the Advantages of this embodiment are in particular that the Wheelchair moves up and down less when turning the carrier and that that Handwheel cannot line up with obstacles.
  • FIG. 7 shows an example of a schematic and highly simplified with the embodiment 8 to be used according to FIG. 1.
  • gear 7 Driving To recognize gear 6.
  • gear 7 the actual gear is in shape a removable and replaceable planetary gear set.
  • Whose wheel 34 has the internal toothing has an outside hexagonal shape so that it is not rotatable in the gear 7.
  • the inside diameter of the wheel 34 and the diameter of the sun gear 35 determine the gear ratio, the planet gears 36 cause the reversal of the Direction of rotation.
  • the axis 37 has a triangular cross section, thus the torque from the sun gear 35 to the wheel 2 is transmitted.
  • the gearbox can be fitted with a cover with a bayonet lock to be introverted.

Landscapes

  • 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)
  • Developing Agents For Electrophotography (AREA)
  • Prostheses (AREA)
EP97810689A 1997-09-19 1997-09-19 Fauteuil roulant Expired - Lifetime EP0903138B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE59709861T DE59709861D1 (de) 1997-09-19 1997-09-19 Rollstuhl
EP97810689A EP0903138B1 (fr) 1997-09-19 1997-09-19 Fauteuil roulant
AT97810689T ATE237294T1 (de) 1997-09-19 1997-09-19 Rollstuhl

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97810689A EP0903138B1 (fr) 1997-09-19 1997-09-19 Fauteuil roulant

Publications (2)

Publication Number Publication Date
EP0903138A1 true EP0903138A1 (fr) 1999-03-24
EP0903138B1 EP0903138B1 (fr) 2003-04-16

Family

ID=8230397

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97810689A Expired - Lifetime EP0903138B1 (fr) 1997-09-19 1997-09-19 Fauteuil roulant

Country Status (3)

Country Link
EP (1) EP0903138B1 (fr)
AT (1) ATE237294T1 (fr)
DE (1) DE59709861D1 (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004037632A1 (fr) * 2002-10-22 2004-05-06 Janusz Karpinski Engin
WO2008024008A2 (fr) * 2006-08-21 2008-02-28 MONZÓ GOMEZ, Peregrin Mécanisme convertisseur du mouvement de basculement (pousser-tirer) en un mouvement rotatif unidirectionnel d'un axe de sortie
US7780179B2 (en) 2004-07-16 2010-08-24 Andrew Ramon Brown Drive system for a human powered vehicle
CN101953738A (zh) * 2010-05-17 2011-01-26 成都云杉科技有限公司 无障碍副轮轮椅
CN101543448B (zh) * 2009-05-04 2011-06-08 谢传坤 一种可上下楼梯和平路行走的两用电动轮椅
WO2012035341A1 (fr) * 2010-09-15 2012-03-22 13.17 Designs Limited Ensemble roues pour chariot
CN102614056A (zh) * 2012-05-04 2012-08-01 北京互邦之家爬楼车技术开发有限公司 一种电动爬楼轮椅
GB2494662A (en) * 2011-09-14 2013-03-20 13 17 Designs Ltd Wheel assembly for a handcart
CN103784275A (zh) * 2014-02-25 2014-05-14 王战友 上下楼梯轮椅用复合轮
WO2014162029A1 (fr) * 2013-04-03 2014-10-09 Barión Roberto Arnoldo Châssis autopropulsé pour le passage de dénivellations
WO2016110317A1 (fr) 2015-01-05 2016-07-14 Jst Multidrive Ag Unité de déplacement
CN105919739A (zh) * 2016-06-12 2016-09-07 浙江工业大学 便携登阶轮椅
CN107049625B (zh) * 2017-04-28 2018-12-04 广西大学 楼梯地面两用轮椅
RU2774466C1 (ru) * 2022-02-28 2022-06-21 Николай Петрович Дядченко Шасси кресла-коляски

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005060186B8 (de) * 2005-12-14 2007-10-25 Spatkowski-Fitense, Karin Treppengängiger Rollstuhl

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB719048A (en) 1952-02-01 1954-11-24 Karl Adolf Hartmann Improvements in and relating to invalid chairs or like vehicles
US2931449A (en) * 1958-11-12 1960-04-05 Kentucky Res Foundation Occupant-controlled, self-propelled, obstruction-climbing vehicle
US3049364A (en) * 1961-04-07 1962-08-14 Eugene O Clay Stair climbing wheel chair
US3283839A (en) * 1965-03-02 1966-11-08 Ronald K Brown Stair-climbing wheel chair
US3580344A (en) * 1968-12-24 1971-05-25 Johnnie E Floyd Stair-negotiating wheel chair or an irregular-terrain-negotiating vehicle
GB2098144A (en) 1981-03-17 1982-11-17 Tobex Motivated Chair Co Ltd Stair vehicle
US4512588A (en) * 1983-04-15 1985-04-23 Cox Kenneth R Stair climbing wheel chair

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB719048A (en) 1952-02-01 1954-11-24 Karl Adolf Hartmann Improvements in and relating to invalid chairs or like vehicles
US2931449A (en) * 1958-11-12 1960-04-05 Kentucky Res Foundation Occupant-controlled, self-propelled, obstruction-climbing vehicle
US3049364A (en) * 1961-04-07 1962-08-14 Eugene O Clay Stair climbing wheel chair
US3283839A (en) * 1965-03-02 1966-11-08 Ronald K Brown Stair-climbing wheel chair
US3580344A (en) * 1968-12-24 1971-05-25 Johnnie E Floyd Stair-negotiating wheel chair or an irregular-terrain-negotiating vehicle
GB2098144A (en) 1981-03-17 1982-11-17 Tobex Motivated Chair Co Ltd Stair vehicle
US4512588A (en) * 1983-04-15 1985-04-23 Cox Kenneth R Stair climbing wheel chair

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004037632A1 (fr) * 2002-10-22 2004-05-06 Janusz Karpinski Engin
US7780179B2 (en) 2004-07-16 2010-08-24 Andrew Ramon Brown Drive system for a human powered vehicle
WO2008024008A2 (fr) * 2006-08-21 2008-02-28 MONZÓ GOMEZ, Peregrin Mécanisme convertisseur du mouvement de basculement (pousser-tirer) en un mouvement rotatif unidirectionnel d'un axe de sortie
WO2008024008A3 (fr) * 2006-08-21 2008-05-02 Monzo Gomez Peregrin Mécanisme convertisseur du mouvement de basculement (pousser-tirer) en un mouvement rotatif unidirectionnel d'un axe de sortie
CN101543448B (zh) * 2009-05-04 2011-06-08 谢传坤 一种可上下楼梯和平路行走的两用电动轮椅
CN101953738A (zh) * 2010-05-17 2011-01-26 成都云杉科技有限公司 无障碍副轮轮椅
WO2012035341A1 (fr) * 2010-09-15 2012-03-22 13.17 Designs Limited Ensemble roues pour chariot
GB2494662A (en) * 2011-09-14 2013-03-20 13 17 Designs Ltd Wheel assembly for a handcart
CN102614056A (zh) * 2012-05-04 2012-08-01 北京互邦之家爬楼车技术开发有限公司 一种电动爬楼轮椅
WO2014162029A1 (fr) * 2013-04-03 2014-10-09 Barión Roberto Arnoldo Châssis autopropulsé pour le passage de dénivellations
CN103784275A (zh) * 2014-02-25 2014-05-14 王战友 上下楼梯轮椅用复合轮
WO2016110317A1 (fr) 2015-01-05 2016-07-14 Jst Multidrive Ag Unité de déplacement
CN105919739A (zh) * 2016-06-12 2016-09-07 浙江工业大学 便携登阶轮椅
CN107049625B (zh) * 2017-04-28 2018-12-04 广西大学 楼梯地面两用轮椅
RU2774466C1 (ru) * 2022-02-28 2022-06-21 Николай Петрович Дядченко Шасси кресла-коляски
RU2785233C1 (ru) * 2022-09-07 2022-12-05 Николай Петрович Дядченко Колесное транспортное средство

Also Published As

Publication number Publication date
DE59709861D1 (de) 2003-05-22
EP0903138B1 (fr) 2003-04-16
ATE237294T1 (de) 2003-05-15

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