EP1878415A2 - Dispositif d'actionnement supplémentaire pour fauteuils roulants manuels - Google Patents

Dispositif d'actionnement supplémentaire pour fauteuils roulants manuels Download PDF

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Publication number
EP1878415A2
EP1878415A2 EP07108017A EP07108017A EP1878415A2 EP 1878415 A2 EP1878415 A2 EP 1878415A2 EP 07108017 A EP07108017 A EP 07108017A EP 07108017 A EP07108017 A EP 07108017A EP 1878415 A2 EP1878415 A2 EP 1878415A2
Authority
EP
European Patent Office
Prior art keywords
wheelchair
drive
drive device
drive wheels
scooter
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
EP07108017A
Other languages
German (de)
English (en)
Other versions
EP1878415A3 (fr
EP1878415B1 (fr
Inventor
Tobias Amann
Matthias Bitzer
Martin Steiner
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
Priority to PL07108017T priority Critical patent/PL1878415T3/pl
Publication of EP1878415A2 publication Critical patent/EP1878415A2/fr
Publication of EP1878415A3 publication Critical patent/EP1878415A3/fr
Application granted granted Critical
Publication of EP1878415B1 publication Critical patent/EP1878415B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A61G5/047—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven by a modular detachable drive system
    • 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
    • A61G5/1078—Parts, details or accessories with shock absorbers or other suspension arrangements between wheels and frame

Definitions

  • the invention relates to an auxiliary drive device for manual wheelchairs, which is also called wheelchair scooter in the trade.
  • Such a wheelchair scooter serves to be detachably connected to a wheelchair, in particular a manually driven wheelchair, in order to drive this wheelchair.
  • a known wheelchair scooter marketed under the name "RollAid” is shown in FIG.
  • a conventional wheelchair with two front pivoting wheels 2003, also called castors, and two large rear wheels 2004, to which the wheelchair scooter can be connected, is shown in a partially sectional view in FIG.
  • the left rear running wheel seen in the direction of travel is omitted for the purpose of better illustration of fastening means.
  • the known wheelchair scooter 1000 has a drive wheel 1001 which can be driven by means of a drive motor 1002.
  • the motor 1002 is designed as an electric motor, which is supplied with power during operation by a rechargeable battery (rechargeable battery) 1003.
  • the drive wheel 1001 can be pivoted together with the drive motor 1002 via a steering column 1004 and a handlebar 1005 with respect to the wheelchair scooter housing to perform steering movements.
  • the known wheelchair scooter 1000 has first holding means 1006 and second holding means 1007 and centering bevels 1008, which are in pairs and on both sides the wheelchair scooter are arranged. Furthermore, the wheelchair scooter 1000 has at its end opposite the drive wheel 1001 via two small rollers 1009, of which in FIG. 13 only one roller is shown.
  • the wheelchair scooter 1000 on the drive wheel 1001 and the two rollers 1009 are moved.
  • the wheelchair 2000 is driven from behind over the wheelchair scooter 1000, whereby the steering column 1004 opposite end of the wheelchair scooter between the footrests 2001 of the wheelchair 2000 passes.
  • the wheelchair scooter 1000 is centered over the centering ramps 1008 in cooperation with crossbars 2002 of the wheelchair 2000 opposite the wheelchair 2000.
  • the second holding means 1007 of the wheelchair scooter 1000 engage in corresponding holding elements of the wheelchair 2000.
  • a pivotable holding mechanism which is secured to the wheelchair 2000, in cooperation with run-up slopes 1007A of the second support means 1007, causes the rear end of the wheelchair scooter 1000 to be raised with the casters 1009 in the ready-to-use state of the wheelchair scooter 1000 on the wheelchair 2000 opposite the floor surface is.
  • the wheelchair scooter 1000 is thus held in the ready-docked state at its rear end to a holding element of the wheelchair 2000 (not shown) and rests with its drive wheel 1001 on the running surface.
  • the centering bevels 1008 are such that the front end of the wheelchair when performing the docking process is raised so far that the two front pivotable wheels 2003 are lifted off the ground in fully docked condition.
  • the drive wheel 1001 is used as the drive and steering wheel.
  • This drive wheel 1001 is connected via a rigid axle with the steering mechanism and the drive components, the engine 1002 and a transmission. Wheel and drive are on top of each other in an escape. As a result, only a very small wheel diameter can be used.
  • the driving force is transmitted in the known wheelchair scooter 1000 via a chain drive from the transmission to the drive wheel 1001.
  • the drive unit builds relatively narrow due to the superimposed arrangement, it is very high despite the small wheel diameter of the drive wheel 1001.
  • the large height of the drive including the drive wheel reduces the possibility of mounting.
  • the cultivation of the known wheelchair scooter 1000 is thus possible only with wheelchairs with a large seat height.
  • the small diameter of the drive wheel 1001 also severely limits the ability to overcome obstacles.
  • such a small drive wheel requires high speeds with correspondingly small torques.
  • a generic auxiliary drive device with two drive wheels is from the DE 43 25 092 A1 known.
  • the invention has for its object to provide a wheelchair scooter, which is improved in its properties in view of the technical problems set out above.
  • the auxiliary drive device according to the invention which is designed to be connected to a wheelchair and to pull the wheelchair in this docked state, has a drive motor, a steering device and fastener for docking to a wheelchair.
  • the auxiliary drive device according to the invention has two drive wheels.
  • By providing two drive wheels a symmetrical construction of the drive is possible.
  • This symmetrical design reduces the overall height of the drive.
  • the wheels may extend laterally beyond the drive motor or other components, so that despite a low overall height, a large wheel diameter is possible. Due to the large wheel diameter higher obstacles can be overcome.
  • the low height which is made possible by the provision of two drive wheels through the possible compact design, which optimally utilizes the existing installation space in the wheelchair behind the footrests holding legrests, also allows for attachment to wheelchairs with relatively low seat height.
  • the two drive wheels are mounted oscillating about a pendulum axis.
  • the pendulum bearing of the drive wheels improves traction on slightly level ground and when turning. It allows the same torques to be transmitted to the road.
  • the provision of a differential allows smooth steering, d. H. a steering that can be operated with little effort.
  • the differential causes the two drive wheels, for example, when cornering, to move at different speeds to each other and possibly even rotate in opposite directions to each other.
  • the two drive wheels are preferably driven by a worm gear and the pendulum axis runs preferably in a plane perpendicular to the axis of rotation of the two drive wheels.
  • the drive motor is preferably rigidly connected to the drive wheels. This means that the drive motor oscillates around the pendulum axis together with the drive wheels.
  • the entire drive unit comprising a drive motor, drive wheels and a drive train provided between the drive motor and the drive wheels, which can be designed optionally with or without a reduction or transmission gear, is preferably suspended resiliently. Corresponding spring elements on the one hand cause suspension and damping of shocks perpendicular to the axis of rotation of the drive wheels and on the other hand, either cumulatively or alternatively, ensure that the drive wheels from a deflected position return to a central position, for example, when the drive wheels are raised.
  • one or more leaf springs, coil springs or elastomeric elements may be provided.
  • the drive motor is preferably an electric motor designed as a brush motor.
  • the auxiliary drive device according to the invention preferably has an electromagnetic brake.
  • Fig. 1 shows a preferred embodiment of an auxiliary drive device for manual wheelchairs (wheelchair scooter) according to the invention in a state in which the system is switched off
  • Fig. 2 shows the wheelchair scooter according to Fig. 1 in a state in which the system is turned on.
  • the wheelchair scooter is movable on two drive wheels 1, 2 and two rollers 3, 4.
  • the drive wheels 1, 2 can be driven by a drive motor 5 and directed by a steering column 6 and a handlebar 7.
  • the steering rod 7 is fastened to a pivotable operating unit 100.
  • the drive motor 5 is designed as an electric motor and is powered by a rechargeable battery (accumulator) 8 with power.
  • the operating unit 100 has two operating levers 101, 102 designed as a rocker, which actuates, for example, with the index finger and / or the thumb of an operator to cause a forward and / or reverse movement can be.
  • control unit On the control unit also provided a push button for issuing a Hubsignals, a light switch, which can also be designed as a push button, two push-button for uncoupling the wheelchair scooter from a wheelchair (will be explained in detail below), a rotary potentiometer, by turning a default setting of the driving speed allows and can be switched on and off by pressing, a display with an LED (light emitting diode) indicator to indicate the state of charge of the battery 8 and an immobilizer to secure the vehicle against unauthorized use.
  • a push button for issuing a Hubsignals
  • a light switch which can also be designed as a push button, two push-button for uncoupling the wheelchair scooter from a wheelchair (will be explained in detail below)
  • a rotary potentiometer by turning a default setting of the driving speed allows and can be switched on and off by pressing
  • a display with an LED (light emitting diode) indicator to indicate the state of charge of the battery 8 and an immobilizer to secure the vehicle against unauthorized
  • the battery 8 receiving part of the wheelchair scooter which also includes the elements for attachment of the wheelchair scooter to a wheelchair and is hereinafter referred to as fastening part 200, opposite to that part of the wheelchair scooter, which the drive wheels 1, 2nd and the drive motor 5 includes and is hereinafter referred to as drive part 300, lowered.
  • the wheelchair scooter In this switched-off state, which is also referred to below as idle state, the wheelchair scooter can be pushed by unlocking a brake provided on the drive by an operator, for example, for storage at his storage place or for mounting to a wheelchair to a point from which the wheelchair can be connected to the wheelchair scooter.
  • the rechargeable battery (accumulator) 8 can be easily removed and replaced with a handle from its corresponding holder.
  • a charge socket provided on the housing of the battery 8 also allows charging of the accumulator outside of the wheelchair scooter. For example, a fully charged battery 8 can always be kept ready while another battery 8 is in use.
  • the easy dismantling of the wheelchair scooter by removing the steering column 6 and removing the rechargeable battery 8 also allows easy transport of the wheelchair scooter.
  • FIG. 2 shows the wheelchair scooter of FIG. 1 in the operating condition, but without docked wheelchair. It can be seen that in this operating state, the fastening part 200 is raised relative to the drive part 300. If one selects for this positional shift with respect to the position shown in FIG. 1, the fastening part 200 as a reference system, so in FIG. 2, the drive part 300 is lowered relative to the fastening part 200. The meaning of this operating position is explained below in connection with the docking of the wheelchair scooter on a wheelchair and with the driving operation of the composite between wheelchair scooter and wheelchair.
  • the wheelchair 600 has two large wheels 601, which (not shown) may be provided with gripping rings over which the Person sitting in a wheelchair can drive the wheelchair by hand, as well as two freely rotatable small wheels 602, which are articulated by means of appropriate handlebars with a large trailer and castors called.
  • the wheelchair also has handles 603, over which the wheelchair, possibly with a person sitting in the wheelchair, can be pushed by an assistant.
  • the wheelchair has one or more cross braces 610. Such cross braces are a common technical solution by means of which foldable wheelchairs are effectively stiffened in the running condition.
  • the wheelchair 600 also has hinged footrests 604 (see, for example, in FIG. 4) which are attached to swing-away or removable legrests and are not shown in FIG. 3 for purposes of clarity.
  • FIGS. 4 and 6 are enlarged cut-outs to more fully illustrate the docking and mounting elements, with Figure 5 corresponding to Figure 4 and Figure 7 to Figure 6.
  • the wheelchair scooter has pairwise front fasteners 210, of which, due to the perspective view, e.g. in the figures 2 and 3 only one is shown.
  • Each of the two front fastening elements 210 has a centering bevel 211 and a hook 212, resulting in a J-shaped cross section.
  • the centering bevel 211 serves to center the wheelchair scooter in cooperation with the cross struts 610 of the wheelchair 600 with respect to the wheelchair 600 when assembling the wheelchair and the wheelchair scooter.
  • the centering bevels 211 are inclined both with respect to an imaginary plane that runs vertically through the central axis running in the direction of travel of the wheelchair, for example the folding plane of a foldable wheelchair, and with respect to the running surface on which the wheelchair is moving.
  • the inclination relative to the imaginary vertical median plane of the wheelchair which substantially corresponds to the inclination of the cross struts, causes the centering of the wheelchair scooter with respect to the wheelchair 600
  • the inclination relative to the running surface has the consequence that in the course of assembly the small wheels ( Castors) 602 be lifted off the running surface or from the ground.
  • the hooks 212 surround the cross struts 610 of the wheelchair 600.
  • front fasteners 210 may be provided in different sizes and replaceable to allow the wheelchair scooter to be assembled with different wheelchairs 600 that may have cross struts of varying thickness.
  • the wheelchair scooter has rear fastening elements 220, which are likewise designed in pairs.
  • the rear fastening elements 220 each have an insertion ramp 221 and a hook element 222.
  • a stroke locking device 700 is attached on the wheelchair 600.
  • This stroke locking device 700 allows docking of the wheelchair scooter on any standard wheelchair. It is designed specifically for the wheelchair scooter and designed with respect to their mounting options on the wheelchair 600 so, for example, by variable fasteners with holes at different distances and the like that it can be attached to a variety of different wheelchairs.
  • the stroke locking device has a pivotable lifting element 710 with a lifting rod 711.
  • the lifting element 710 is designed so that during the docking process in the course of bringing together wheelchair 600 and wheelchair scooter, the lifting rod 711 engages with the insertion ramp 221. This causes a pivoting of the lifting element 710 about a pivot axis which passes through the bearing points 712, 713 of the lifting element 710.
  • the lifting element 710 is here brought from a substantially horizontal position, as shown in Figures 4 to 7, in an approximately vertical position, as shown in Figures 8 and 9. During this pivotal movement, which in the view according to the figures 4 to 9 in the prime sense, the attachment part 200 of the wheelchair scooter is raised, so that the rollers 3, 4 lose contact with the running surface or underlay. This state is shown in FIGS. 8 and 9.
  • a lever arranged on the lifting locking device 700 surrounds Locking hook 720 (see Fig. 5), the locking rod 711 and thereby causes the lifting element 710 is held in this end position.
  • a lifting magnet 230 is provided on the fastening part 200, above the rollers 3, 4 and arranged between them.
  • the latch hook 720 is pivoted to release the lift rod 711, and the lift member 710, which is a pivotal bracket, is released from its operative position as shown in FIGS. 8 and 9, i. from the approximately vertical position, pivoted back into the approximately horizontal position according to Figures 4 to 7.
  • the rear part of the fastening part 200 is lowered and released, the rollers 3, 4 again put on the running surface or support.
  • the person sitting in the wheelchair can now preselect a speed via the corresponding switch on the operating unit 100 and initiate a forward or reverse drive with the actuating levers 101, 102.
  • the steering takes place via the handlebar 7. Steering direction and steering movement thus arise intuitively.
  • the drive part 300 can be changed relative to the fastening part 200 in its position. This is possible not only in the undocked state of the wheelchair scooter, as shown in Figs. 1 and 2, but also in the docked state. Also in this state, the driving part 300 can be raised. This has the consequence that the small drive wheels (Castoren) 602 lower and get back into contact with the running surface or the ground. The drive part 300 can also be raised so far that the drive wheels 1, 2 are completely raised from the ground. In this position, although the wheelchair scooter is docked, the wheelchair can easily be driven and controlled manually via the large wheels 601. Unlike the prior art described in the introduction, the rolling resistance of the electric drive does not have to be overcome here.
  • the wheelchair user must therefore in the event that he wants to move the wheelchair manually on the large wheels 601 or pushing handles, not the wheelchair scooter again, but can only the drive wheels 1, 2 of the wheelchair scooter and thereby completely lift off the ground and thus achieved the same maneuverability and ease of maneuverability of the manual wheelchair 600 without wheelchair scooter, although it is still connected to the wheelchair 600. If the wheelchair user so wishes, he can also remove the steering column 6. This allows, for example, a closer approach to a table.
  • Fig. 10 shows in a partially sectioned view in which the steering column 6 shown only as a fragment and essential parts of the fastening part 200 are omitted for the purpose of better illustration, the Fig. 1 corresponding position in which the drive member 300 and thus the Drive wheels 1, 2 are raised in the docked to a wheelchair state of the wheelchair scooter or in which the mounting portion 200 of the wheelchair scooter is lowered in the undocked state.
  • This position corresponds to the idle state, ie the state in which the wheelchair scooter is switched off. It is also the maximum raised position of the drive wheels 1, 2.
  • Fig. 11 corresponds to Fig. 10, but unlike Fig. 10 shows the operating condition, i. the state in which the small wheels (Castoren) 602 of the wheelchair 600 are lifted from the ground or the running surface in the docked state, or in other words, in the undocked state of the fastening part 200 is raised, as shown in Fig. 2, so that Docking process can take place.
  • This position corresponds to the operating condition, i. the condition in which the wheelchair scooter pulls the docked wheelchair. It is also the maximum lowered position of the drive wheels 1, 2.
  • the drive part 300 including the drive wheels 1, 2 of the drive motor 5 and the steering column 6 and the components connected thereto are movably mounted relative to the attachment part 200 via a linear column guide 320, which extends substantially vertically.
  • the rotational movement generated by the gear motor 321 is converted into a linear movement via an additional gear with a push rod 322 and a push rod gear 323.
  • the push rod 322 is at top dead center of the additional gear.
  • the two bearing axes of the push rod 322 and the axis of rotation of the push rod gear 323 are in this case in a common plane. This means that no moments due to external load on the geared motor 321 act.
  • the push rod is at fully or maximally lowered drive wheels, ie the position shown in Fig. 2, in the bottom dead center of the additional gear. Also in this position No moments due to external load acting on the geared motor 321.
  • FIGS. 10 and 11 i. the maximum raised or maximum lowered position of the drive wheels is detected by mechanical limit switches 324, 325. These give on reaching the respective end position corresponding signals to a control device (not shown), which serves to control the lifting device.
  • the drive wheels 1, 2 are arranged with the interposition of the differential 70 parallel to each other.
  • the differential 70 is shown schematically in Figs. 16 and 17 and has two large bevel gears 71A, 71B and two bevel gears 72A, 72B.
  • the small bevel gears 72A, 72B are mounted in a large helical gear 61 of the worm gear 60.
  • the large bevel gears 71A, 71B of the differential 70 are rotatably connected to the drive shafts 73A, 73B of the drive wheels 1, 2 connected.
  • the helical gear 61 of the worm gear is driven by a worm wheel (not shown) connected to the drive motor 5.
  • the drive motor 5 is an electric motor designed as a brush motor. Also connected to the drive is an electromechanical brake 15.
  • the entire drive unit is mounted pendulum about a pendulum axis 180.
  • the pendulum axis 180 extends in a plane which is perpendicular to the axis of rotation of the drive wheels 1, 2.
  • pivoted when bumps occur the entire drive unit with the electromagnetic brake 15, the drive motor 5 and the drive wheels 1, 2 about the rotation axis 180th
  • FIGS. 14 and 15 also schematically indicate a spring element 190, which acts to bring the drive wheels 1, 2 from a deflected position according to FIG. 14 back into the center position according to FIG. 15.
  • This spring element 190 or a further spring element may also be provided to prevent possible noises during strong or frequent oscillating movements of the two suspended on a rigid-axle construction, d. H. in their relative position to a fixed drive wheels 1, 2 or dampen when driving on cobblestones or to prevent.

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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)
  • Automatic Cycles, And Cycles In General (AREA)
  • Escalators And Moving Walkways (AREA)
  • Handcart (AREA)
  • Lock And Its Accessories (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
  • Regulating Braking Force (AREA)
EP07108017A 2006-07-14 2007-05-11 Dispositif d'actionnement supplémentaire pour fauteuils roulants manuels Active EP1878415B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07108017T PL1878415T3 (pl) 2006-07-14 2007-05-11 Dodatkowe urządzenie napędowe do manualnych wózków inwalidzkich

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006032844A DE102006032844B4 (de) 2006-07-14 2006-07-14 Zusatzantriebsvorrichtung für manuelle Rollstühle

Publications (3)

Publication Number Publication Date
EP1878415A2 true EP1878415A2 (fr) 2008-01-16
EP1878415A3 EP1878415A3 (fr) 2008-06-18
EP1878415B1 EP1878415B1 (fr) 2009-02-25

Family

ID=38526965

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07108017A Active EP1878415B1 (fr) 2006-07-14 2007-05-11 Dispositif d'actionnement supplémentaire pour fauteuils roulants manuels

Country Status (7)

Country Link
EP (1) EP1878415B1 (fr)
AT (1) ATE423535T1 (fr)
DE (2) DE102006032844B4 (fr)
DK (1) DK1878415T3 (fr)
ES (1) ES2321456T3 (fr)
NO (1) NO20072943L (fr)
PL (1) PL1878415T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900016526A1 (it) * 2019-09-17 2021-03-17 Klaxon Mobility Gmbh Carrozzina a spinta assistita per disabili e apparecchiatura di assistenza alla spinta per carrozzine per disabili

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016100662B4 (de) 2016-01-15 2024-12-05 Otto Bock Mobility Solutions Gmbh Elektrorollstuhl
PL239163B1 (pl) * 2018-10-15 2021-11-08 Krawczyk Milosz Sposób mocowania zespołu napędowego do wózka inwalidzkiego i zespół napędowy do wózka inwalidzkiego
AT525292B1 (de) * 2021-07-19 2023-09-15 Rudolf Fux Verbinderer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3200157A1 (de) * 1981-08-05 1983-02-24 Sigrid 6393 Wehrheim Osterland "rollstuhl-zuggeraet"
DE4325092A1 (de) * 1993-07-27 1995-02-02 Sasse Maschinen Apparatebau Gm An einen Rollstuhl ankuppelbares Zugfahrzeug
US5445233A (en) * 1994-08-04 1995-08-29 Fernie; Geoffrey R. Multi-directional motorized wheelchair
DE19935506B4 (de) * 1999-07-28 2009-07-09 Georg Binnen Elektromotorisch angetriebenes Zuggerät für Rollstühle
JP2003019165A (ja) * 2001-07-09 2003-01-21 Suruga Seiki Kk 人力駆動式車いすの後付け用駆動装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900016526A1 (it) * 2019-09-17 2021-03-17 Klaxon Mobility Gmbh Carrozzina a spinta assistita per disabili e apparecchiatura di assistenza alla spinta per carrozzine per disabili

Also Published As

Publication number Publication date
DE102006032844A1 (de) 2008-01-17
EP1878415A3 (fr) 2008-06-18
DE102006032844B4 (de) 2008-08-14
PL1878415T3 (pl) 2009-09-30
DE502007000462D1 (de) 2009-04-09
ATE423535T1 (de) 2009-03-15
ES2321456T3 (es) 2009-06-05
DK1878415T3 (da) 2009-06-22
NO20072943L (no) 2008-01-15
EP1878415B1 (fr) 2009-02-25

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