EP1074237B1 - Sitzmöbel - Google Patents
Sitzmöbel Download PDFInfo
- Publication number
- EP1074237B1 EP1074237B1 EP00116613A EP00116613A EP1074237B1 EP 1074237 B1 EP1074237 B1 EP 1074237B1 EP 00116613 A EP00116613 A EP 00116613A EP 00116613 A EP00116613 A EP 00116613A EP 1074237 B1 EP1074237 B1 EP 1074237B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chair
- accordance
- rollers
- drive
- electric motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 claims description 18
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
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
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
- A47C7/006—Chair or stool bases with castors
Definitions
- the invention relates to a chair, in particular for the living area, according to the preamble of claim 1.
- the mobile according to the invention Seating furniture around rest, massage and / or TV chairs, as in Living spaces are common. In principle, however, according to the invention Also, such seating furniture be designed to be mobile, in private or public Facilities are offered as seating. So for example, the seating furniture according to the invention can be used in retirement homes or generally in the care sector, e.g. in hospitals.
- a roller, a gear and an electric motor to a drive module which can be mounted as a unit on the seat summarized.
- the assembly of the drive on the seat is thereby considerably simplified.
- each drive module the transmission between the electric motor and a drive axle of the roller arranged, the gearbox each directly are attached to the drive axles of the rollers and in each case an electric motor and summarized a transmission to a compact drive unit are.
- an electric motor and summarized a transmission to a compact drive unit are particularly compact, easy to handle and mountable drive modules, each having an electric motor, a gear and a roller include.
- the gears may e.g. each attached to the drive axles of the rollers become. Conversely, it is also possible to change the roles to one Disconnect output shaft or shaft of gearbox.
- each drive module also includes a support structure which includes the roller and the electric motor and the transmission Drive unit are mounted and via which the drive module on Seating furniture is attached. This allows the drive module separated from the seating is assembled and prepared for assembly, for which then only the support structure is to be attached to the seating, to attach the entire drive module to the seating.
- the carrier structures each have a side part and / or associated with a fitting of the chair, in particular screwed.
- the arrangement of the drive modules in the area the side parts of the chair has the advantage that for the traction drive no components are arranged in the back of the chair have to. This is particularly advantageous for massage chairs where in the back part massaging devices are integrated.
- the drive modules are each designed in this way and attachable to the seating, that the drive modules each in a Side part of the seat integrated and at least the drive units by a padding of the chair are covered.
- the visual appearance of the chair is thus in no way impaired by the drive modules.
- a control unit provided, over which then, if several drivable roles are provided, the electric motors independently operable are.
- the ability to control the electric motors independently allows the rollers to rotate at different speeds drive.
- This drive also used in tracked vehicles allows the mobile seating to turn on the spot and thus in confined spaces to change the direction of travel quickly and easily. Especially can the seating hereby turned in a confined space, so rotated by 180 °.
- control unit with an automatic starting and / or stopping function provided with a user-initiated driving speed change automatically the rotational speeds of the rollers with one predetermined time delay gradually on the user desired value can be brought.
- the also referred to as "soft start” function with respect to startup a disturbing jerky start can be avoided.
- Two rollers are provided, each in one of the rear corner areas of the chair are arranged. At the front corner areas are in In this case, for example, provided conventional furniture roles.
- rollers or the drive modules on the side panels further ahead, e.g. approximately in the middle, to arrange and then to support the seat to provide a support roller at each corner.
- rollers or the drive modules also further inside and thus not be arranged in the area of the side parts.
- each of the four corner areas of the Seat furniture each to arrange a drivable role. If according to the preferred variant of each of these roles with an associated electric motor can be provided by individually controlling the individual Electric motors are created a very agile seating.
- One Another advantage of such "four-wheel drive" is the ability to overcome obstacles such as. Doors, carpet edges and high pile carpets too overcome, as no freely rotatable and easily prone to blocking Furniture casters are needed.
- only a single drivable roller may be provided, e.g. in the central or rear area the chair is centrally located and designed steerable. Also In such an arrangement is a very manoeuvrable mobile seating created. By crossing the role can thereby change direction done in a confined space.
- the rollers can be anywhere be arranged of the chair. It can either only a single Role be driven, or it may be several, in particular two or four, rollers be provided with a drive.
- a single central i. either centered with respect to the longitudinal direction as well as the transverse direction, provided drivable role.
- the seating furniture has four wheels on, which are each arranged in a corner region of the chair, wherein two diagonally opposite rollers, e.g. the front right roller and the rear left roller, each provided with a drive are.
- Each drive module is according to the invention on a side part and / or associated with a fitting of the chair, via a support structure.
- the Beschalg a fitting for adjusting a Footrest or other components of the chair.
- the or each is drivable Roller provided with a suspension, which ensures that the respective role remains in permanent contact with the ground. This way is for optimal traction of the mobile seat ensured.
- Another preferred embodiment proposes between each a drive motor and the drive roller to provide a slip clutch, which serves as overload and transport protection. Damage to the Drive unit, in particular of the engine, in overload conditions or for example then when the seating is moved by the user by hand can be safely avoided in this way.
- the drive rollers can always be driven with the same Driven rotation, but operated at different speeds become.
- the drive rollers rotate so in the same direction, but at different speeds, in extreme cases a drive roller is stationary when driving a sharp left turn, e.g. the or each left drive roller.
- a mobile armchair with a seat part 25, a back part 27 as well two side parts 26.
- a back padding 27a and a seat padding 25a are shown.
- the Armchair a swing-out footrest 29, taking the clarity half of all equipment such as fittings for adjusting the footrest 29 and other components of the chair in Fig. 1 are not shown.
- the armchair can be a functional piece of furniture that fits with you various functions such as Massage facilities, heating facilities etc. is equipped.
- a drive module which is essentially a drive unit 14, 18 and a by means of the drive unit 14, 18 drivable Roller 12 includes.
- the drive unit 14, 18 comprises an electric motor and a transmission, wherein the transmission directly to the drive axle 16 of the Roll 12 is attached.
- the drive module further comprises a support structure, of which in Fig. 1 is a plate-shaped support member 22 can be seen. About the plate-shaped support member 22, which screwed to the side part 26 of the chair is, the drive module is attached to the chair. The drive unit 14, 18 is attached to a further support element which in Fig. 1 is not shown and which in turn with the carrier element 22 is connected.
- the composite drive module can thus as a unit simply by screwing the plate-shaped support member 22 are mounted with the side part 26 on the chair.
- a in Fig. 1 only dashed lines indicated supply line 15th the electric motor 14 is connected to an accumulator unit 32 which is in communication with a control unit 28.
- the accumulator unit 32 and the control unit 28 are in a cavity of the chair below the seat part 25 is arranged.
- Fig. 1 On the side part 26 is shown in Fig. 1 only schematically illustrated operating part 48 attached, which may be integrated, for example, in the armrest can.
- the control unit 48 is shown by a dashed line in Fig. 1 Line 49 is connected to the control unit 28.
- At the control panel 48 it can be e.g. to act as a separate device for driving, For example, as a control lever in the form of a so-called. "Joystick" or is designed as provided with directional keys keyboard.
- the operation for driving in an existing control panel - over the other functions of the chair, such as a Massage device are actuated - to integrate.
- the Controls for driving in a separate module provided be that can be coupled with the existing keypad, for example by is plugged into the existing control panel.
- the electric motors 14 of the drive modules are independent of each other via the control unit 48 and the control unit 28 controllable.
- Dependent on of the size and polarity of the applied to the electric motors 14 Voltages can be straight ahead in the forward direction or backward direction can be arbitrary with the armchair can be driven tight or wide bends, and the armchair can open the point to be rotated, as described in the introduction to the description has been. If steerable rollers are used, then the Control of the steering means provided for steering the rollers also via the control unit 28.
- FIG. 3 the rear right corner region of an armchair is shown, wherein on the left rear corner area of the chair, not shown, a structurally identical Drive module is arranged. You can see them made of wood right side part 26 and a structural element 34 made of plastic, on attached to the fabric cover and / or the padding of the side part 26 becomes. Furthermore, in Fig. 3, the back part 27 of the chair is indicated.
- the plate-shaped support member 22 of the support structure is from the inside the side part 26 of the chair screwed. With the plate-shaped carrier element 22 again a U-shaped bent support member 24 is screwed, wherein the screw in Fig. 3 by the shaft of the one Connecting screws 36 is indicated.
- a roller or an impeller 12 is arranged, whose or in Fig. 3rd not shown drive axle in corresponding recesses of Carrier elements 22, 24 is mounted so that the roller 12 supported on both sides is.
- the transmission 18 of the drive unit is at least one point over a Screw 39 with a cylindrical projection 44 of the U-shaped support element 24 bolted. Furthermore, the transmission 18 is directly on the drive shaft of the roller 12 plugged and is supported on a for Drive axis coaxial cylindrical projection 46 of the support element 24th from.
- the cylindrical electric motor 14 is set directly on the transmission 18, so that the transmission 18 and the electric motor 14 is a very compact Form drive unit.
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)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Massaging Devices (AREA)
- Seats For Vehicles (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Description
- Fig. 1
- eine schematisierte Seitenansicht eines Sitzmöbels gemäß einer Ausführungsform der Erfindung,
- Fig. 2
- eine Rückansicht des Sitzmöbels von Fig. 1, und
- Fig. 3
- schematisch ein an einem Sitzmöbel montiertes Antriebsmodul gemäß der Erfindung.
- 12
- Rolle
- 14
- Elektromotor
- 15
- Versorgungsleitung
- 16
- Antriebsachse
- 18
- Getriebe
- 22
- Trägerelement
- 24
- Trägerelement
- 25
- Sitzteil
- 25a
- Polsterung
- 26
- Seitenteil
- 26a
- Polsterung
- 27
- Rückenteil
- 27a
- Polsterung
- 28
- Steuereinheit
- 29
- Fußstütze
- 32
- Akkumulatoreinheit
- 34
- Strukturelement
- 36
- Schraube
- 39
- Schraube
- 42
- vordere Rolle
- 44
- Ansatz
- 46
- Ansatz
- 48
- Bedienteil
- 49
- Leitung
Claims (18)
- Fahrbares Sitzmöbel, insbesondere für den Wohnbereich, mit wenigstens einer durch einen Elektromotor (14) antreibbaren Rolle (12), wobeidadurch gekennzeichnet,das Sitzmöbel ein Sessel ist,jeweils eine Rolle (12), ein Getriebe (18) und ein Elektromotor (14) zu einem als eine Einheit am Sessel montierten Antriebsmodul zusammengefasst sind,in jedem Antriebsmodul das Getriebe (18) zwischen dem E lektromotor (14) und einer Antriebsachse (16) der Rolle (12) angeordnet ist,jeweils der Elektromotor (14) und das Getriebe (18) zu einer kompakten Antriebseinheit des betreffenden Antriebsmoduls zusammengefasst sind,das Getriebe (18) direkt an die Antriebsachse (16) der Rolle (12) angesetzt ist,jedes Antriebsmodul eine Trägerstruktur (22, 24) umfasst, an welcher die betreffende, den Elektromotor (14) und das Getriebe (18) umfassende Antriebseinheit angebracht ist und über welche das Antriebsmodul am Sessel befestigt ist, unddie Trägerstrukturen (22, 24) jeweils mit einem Seitenteil (26) und/oder mit einem Beschlag des Sessels verbunden sind,dass die Antriebsmodule jeweils in ein Seitenteil (26) des Sessels integriert und zumindest die Antriebseinheiten durch eine Polsterung des Sessels verdeckt sind.
- Sitzmöbel nach Anspruch 1,
dadurch gekennzeichnet, daß jedes Antriebsmodul in ein Untergestell des Sitzmöbels integriert ist. - Sitzmöbel nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß die Getriebe (18) jeweils auf die Antriebsachsen (16) der Rollen (12) aufgesteckt sind. - Sitzmöbel nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß die Trägerstrukturen jeweils ein plattenförmiges Trägerelement (22) und ein U-förmiges Trägerelement (24) umfassen, wobei die Rolle (12) zwischen den beiden Trägerelementen (22, 24) angeordnet ist. - Sitzmöbel nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß die Antriebseinheiten jeweils über das Getriebe (18) mit der Trägerstruktur (22, 24) verbunden, insbesondere verschraubt sind. - Sitzmöbel nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß die Trägerstrukturen (22, 24) jeweils mit einem Seitenteil (26) des Sitzmöbels verbunden, insbesondere verschraubt sind. - Sitzmöbel nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Trägerstrukturen (22, 24) jeweils mit einem Beschlag des Sitzmöbels verbunden, insbesondere verschraubt sind. - Sitzmöbel nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß die Trägerstrukturen jeweils über ein plattenförmiges Trägerelement (22) mit dem Sitzmöbel und über ein U-förmiges Trägerelement (24) mit der Antriebseinheit verbunden sind. - Sitzmöbel nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß zur Änderung der Fahrtrichtung die insbesondere unlenkbaren Rollen (12) mit unterschiedlichen Drehgeschwindigkeiten und/oder in entgegengesetzte Richtungen antreibbar sind. - Sitzmöbel nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß eine Steuereinheit (28) vorgesehen ist, die über eine Bedieneinheit (48) von einer im Sitzmöbel sitzenden Person ansteuerbar ist und über welche die Elektromotoren (14) und/oder Lenkeinrichtungen für die Rollen ( 12) unabhängig voneinander antreibbar sind. - Sitzmöbel nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß eine Steuereinheit (28) mit einer automatischen Anfahrund/oder Anhaltefunktion versehen ist, durch die bei einer benutzerinitiierten Fahrgeschwindigkeitsänderung automatisch die Drehgeschwindigkeiten der Rollen (12) mit einer vorbestimmten zeitlichen Verzögerung allmählich auf den vom Benutzer gewünschten Wert bringbar sind. - Sitzmöbel nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß zwei Rollen (12j vorgesehen sind, die durch zumindest einen Elektromotor (14) antreibbar sind, wobei vorzugsweise jeder Rolle (12) ein Elektromotor (14) zugeordnet ist. - Sitzmöbel nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß zwei antreibbare Rollen vorgesehen sind, die in diagonal gegenüberliegenden Eckbereichen des Sitzmöbels angeordnet sind, oder daß vier antreibbare Rollen vorgesehen sind, die jeweils in einem Eckbereich des Sitzmöbels angeordnet sind. - Sitzmöbel nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß zumindest zwei Rollen über einen gemeinsamen Elektromotor antreibbar sind, wobei den Rollen ein Differentialgetriebe vorgeschaltet ist. - Sitzmöbel nach Anspruch 14,
dadurch gekennzeichnet, daß die Rollen unlenkbar sind und zur Änderung der Fahrtrichtung das Differentialgetriebe insbesondere stufenlos einstellbar ist. - Sitzmöbel nach zumindest einem Ansprüche 1 bis 11,
dadurch gekennzeichnet, daß genau eine antreibbare und lenkbare Rolle vorgesehen ist, die bezüglich der Querrichtung mittig und insbesondere im hinteren oder zentralen Bereich des Sitzmöbels angeordnet ist. - Sitzmöbel nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß zur Stromversorgung eine Batterieeinheit und/oder eine wiederaufladbare Akkumulatoreinheit (32) in das Sitzmöbel integriert sind/ist. - Sitzmöbel nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß es zur Stromversorgung an ein elektrisches Versorgungsnetz anschließbar ist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK00116613T DK1074237T3 (da) | 1999-08-06 | 2000-08-01 | Siddemöbel |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19937257A DE19937257A1 (de) | 1999-08-06 | 1999-08-06 | Sitzmöbel |
| DE19937257 | 1999-08-06 | ||
| US09/805,738 US20020163229A1 (en) | 1999-08-06 | 2001-03-13 | Chair |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1074237A2 EP1074237A2 (de) | 2001-02-07 |
| EP1074237A3 EP1074237A3 (de) | 2002-08-21 |
| EP1074237B1 true EP1074237B1 (de) | 2005-02-02 |
Family
ID=26054521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00116613A Expired - Lifetime EP1074237B1 (de) | 1999-08-06 | 2000-08-01 | Sitzmöbel |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20020163229A1 (de) |
| EP (1) | EP1074237B1 (de) |
| AT (1) | ATE288247T1 (de) |
| DE (3) | DE29924876U1 (de) |
| DK (1) | DK1074237T3 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040195798A1 (en) * | 2002-05-15 | 2004-10-07 | Donald Newfer | Reclining chair with caster system |
| US7223941B2 (en) * | 2003-02-08 | 2007-05-29 | Walker Ip And Business Enterprises, Llc | Reduced-volume commercial space heating system and method for manufacturing same |
| JP4293204B2 (ja) * | 2006-05-26 | 2009-07-08 | パナソニック電工株式会社 | 椅子式マッサージ機 |
| NO326574B1 (no) | 2007-03-13 | 2009-01-12 | Sapdesign As | Anordning ved stol med justerbar vinkel mellom stolens sete og rygg |
| CN109771162B (zh) * | 2019-01-25 | 2020-08-14 | 韩斌 | 一种腿部按摩轮椅 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5111899A (en) * | 1989-05-17 | 1992-05-12 | Aluweld S.A. | Motorized rolling-chair |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB819527A (en) * | 1956-01-17 | 1959-09-02 | James Alexander Slater | Improvements in or relating to invalid chairs |
| GB1463500A (en) * | 1973-06-09 | 1977-02-02 | Cragg H | Wheelchairs |
| DE7702589U1 (de) * | 1977-01-29 | 1980-03-06 | Tuenkers Maschinenbau Gmbh, 4030 Ratingen | Rollstuhl, insbesondere Zimmerrollstuhl für Körperbehinderte, Gehbehinderte und Kranke |
| US5236055A (en) * | 1991-03-13 | 1993-08-17 | Canadian Aging & Rehabilitation Product Development Corporation | Wheel with coaxial drive system mounted in the wheelhub field of the invention |
| US5249636A (en) * | 1992-04-28 | 1993-10-05 | Sunstate Mobility Corporation | Personal mobility vehicle |
| DE9203878U1 (de) * | 1992-03-23 | 1992-05-14 | Long Shine Enterprise Co., Ltd., Taipeh/T'ai-pei | Angetriebener Rollstuhl |
| DK48392D0 (da) * | 1992-04-10 | 1992-04-10 | Gemo 1991 Aps | Koerechassis til koerestol |
| DE9318997U1 (de) * | 1993-12-10 | 1994-04-14 | Zeitlauf GmbH Getriebe- u. Verzahntechnik, 91207 Lauf | Getriebe für einen Rollstuhl-Antrieb |
| US5690185A (en) * | 1995-03-27 | 1997-11-25 | Michael P. Sengel | Self powered variable direction wheeled task chair |
| EP0820749A1 (de) * | 1996-07-22 | 1998-01-28 | Schweizerische Eidgenossenschaft vertreten durch die SM Schweizerische Munitions-unternehmung der Gruppe Rüstung | Rollstuhl mit Motorantrieb |
| KR100336273B1 (ko) * | 1997-06-06 | 2002-05-13 | 미사와 치요지 | 휠체어 |
| US5862874A (en) * | 1997-06-19 | 1999-01-26 | University Of Pittsburgh | Steering mechanism for short wheelbased four-wheeled vehicles |
| DE29722244U1 (de) * | 1997-12-17 | 1998-04-02 | systec POS-Technology GmbH, 82178 Puchheim | Fahrbarer oder verschiebbarer Stuhl |
-
1999
- 1999-08-06 DE DE29924876U patent/DE29924876U1/de not_active Expired - Lifetime
- 1999-08-06 DE DE19937257A patent/DE19937257A1/de not_active Ceased
-
2000
- 2000-08-01 EP EP00116613A patent/EP1074237B1/de not_active Expired - Lifetime
- 2000-08-01 AT AT00116613T patent/ATE288247T1/de not_active IP Right Cessation
- 2000-08-01 DK DK00116613T patent/DK1074237T3/da active
- 2000-08-01 DE DE50009397T patent/DE50009397D1/de not_active Expired - Lifetime
-
2001
- 2001-03-13 US US09/805,738 patent/US20020163229A1/en not_active Abandoned
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5111899A (en) * | 1989-05-17 | 1992-05-12 | Aluweld S.A. | Motorized rolling-chair |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1074237A2 (de) | 2001-02-07 |
| DK1074237T3 (da) | 2005-05-09 |
| ATE288247T1 (de) | 2005-02-15 |
| DE29924876U1 (de) | 2006-05-24 |
| EP1074237A3 (de) | 2002-08-21 |
| US20020163229A1 (en) | 2002-11-07 |
| DE19937257A1 (de) | 2001-02-15 |
| DE50009397D1 (de) | 2005-03-10 |
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