EP1133968B1 - Arrangement for lowering at ground level the seat of a wheelchair - Google Patents

Arrangement for lowering at ground level the seat of a wheelchair Download PDF

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Publication number
EP1133968B1
EP1133968B1 EP00710011A EP00710011A EP1133968B1 EP 1133968 B1 EP1133968 B1 EP 1133968B1 EP 00710011 A EP00710011 A EP 00710011A EP 00710011 A EP00710011 A EP 00710011A EP 1133968 B1 EP1133968 B1 EP 1133968B1
Authority
EP
European Patent Office
Prior art keywords
fact
column
seat
attached
lift
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
Application number
EP00710011A
Other languages
German (de)
French (fr)
Other versions
EP1133968A2 (en
EP1133968A3 (en
Inventor
Rudolf Jetter
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1133968A2 publication Critical patent/EP1133968A2/en
Publication of EP1133968A3 publication Critical patent/EP1133968A3/en
Application granted granted Critical
Publication of EP1133968B1 publication Critical patent/EP1133968B1/en
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
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1001—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto specially adapted for specific applications
    • A61G7/1011—Picking up from the floor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • A61G5/041—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven having a specific drive-type
    • A61G5/045—Rear wheel drive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1056—Arrangements for adjusting the seat
    • A61G5/1059—Arrangements for adjusting the seat adjusting the height of the seat
    • 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
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1073—Parts, details or accessories
    • A61G7/1074—Devices foldable for storage
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1073—Parts, details or accessories
    • A61G7/1082—Rests specially adapted for
    • A61G7/1094—Hand or wrist
    • 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
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1073—Parts, details or accessories
    • A61G7/1082—Rests specially adapted for
    • A61G7/1098—Ankle or foot
    • 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
    • A61G2200/00—Information related to the kind of patient or his position
    • A61G2200/30—Specific positions of the patient
    • A61G2200/34—Specific positions of the patient sitting
    • 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
    • A61G2200/00—Information related to the kind of patient or his position
    • A61G2200/30—Specific positions of the patient
    • A61G2200/36—Specific positions of the patient standing
    • 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
    • A61G5/14—Standing-up or sitting-down aids
    • 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
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1013—Lifting of patients by
    • A61G7/1019—Vertical extending columns or mechanisms
    • 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
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/104—Devices carried or supported by
    • A61G7/1046—Mobile bases, e.g. having wheels

Definitions

  • the invention relates to a roller chair according to the preamble of claim 1 (see for example DE-A-4114252).
  • the inventive wheelchair as characterized in the claims, mainly for use in interiors, is an aid to disabled and old people.
  • the large adjustment range of the seat height from the floor up to 95 cm allows getting up and access to upper racks and thus helps to extend the independence.
  • the lift column for the seat adjustment consists on the one hand of the 3-fold telescopic lift and the attached groove rail. This in turn carries the sliding seat profile with the backrest and the fold-up seat.
  • the hinged and detachable column draws the power supply for the two motors and the control electronics via the integrated plug in the base and the flex conductors inside.
  • the lift column, seat and back elements can be dismounted without tools.
  • the drive wheels and the battery case are individually pluggable for easy transport. This construction, mainly with Staridard aluminum profiles a relatively light and inexpensive vehicle is achieved.

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)
  • Nursing (AREA)
  • Handcart (AREA)
  • Chairs Characterized By Structure (AREA)

Abstract

The wheelchair comprises a movement mechanism frame, a lift column and a seat unit. The lift column is foldable and suspendable on the movement mechanism frame. The seat unit is connected to the lift column, being height-adjustable, upwardly foldable and removable. The lift column comprises three aluminum square tubes fitted in one another by slide plates. In the outermost tube a high power motor with planet gear (1) is flanged onto the main bearing block (2). By means of a ball spindle (3) via a ball nut (4) in the innermost tube the column can be pushed upwards. The spindle back run is stoppable by a magnet brake (5) flanged onto the motor.

Description

Die Erfingung betrifft einen Rollshuhl gemäß des Oberbegriffes des Patentanspruches 1 (siehe z.B. DE-A-4114252).The invention relates to a roller chair according to the preamble of claim 1 (see for example DE-A-4114252).

Der erfindungsgemässe Rollstuhl, wie er in den Patentansprüchen gekennzeichnet ist, vorwiegend zum Gebrauch in Innenräumen, ist ein Hilfsmittel für behinderte und alte Personen.
Der grosse Verstellbereich der Sitzhöhe vom Boden bis auf 95 cm ermöglicht das Aufstehen und den Zugang zu oberen Gestellen und hilft somit, die Selbständigkeit zu verlängern.The inventive wheelchair, as characterized in the claims, mainly for use in interiors, is an aid to disabled and old people.
The large adjustment range of the seat height from the floor up to 95 cm allows getting up and access to upper racks and thus helps to extend the independence.

Die Bedürfnisse dieser Personengruppe erfordern darum den hier beschriebenen, speziellen Konstruktionsaufbau, der es erlaubt den Sitz zwischen den Seitenholmen ganz auf den Boden abzusenken.
Die Radnaben-Motoren mit dazwischen liegendem Batteriekoffer im hinteren Bereich ergeben einen sehr kompakten Aufbau mit optimalem Schwerpunkt und grosser Stabilität, auch bei der möglichen Sitzhöhe von 95 cm.
Die minimale Breite und Länge beträgt nur 58 x 85 cm, die Höhe bei eingefahrener Liftsäule nur 90 cm. Dies ergibt eine ansprechende und leicht wirkende Optik, speziell wichtig für den Wohnbereich.The needs of this group of people therefore require the special design structure described here, which allows the seat between the side rails to be lowered to the ground.
The wheel hub motors with interposed battery case in the rear result in a very compact design with optimum center of gravity and great stability, even with the possible seat height of 95 cm.
The minimum width and length is only 58 x 85 cm, the height with retracted lift column only 90 cm. This results in an appealing and light-looking look, especially important for the living area.

Die Liftsäule für die Sitzverstellung besteht einerseits aus dem 3-fachen Teleskophub und der angebauten Nutschiene. Diese wiederum trägt das darin gleitende Sitzprofil mit der Rücklehne und dem hochklappbaren Sitz.
Die abklapp- und aushängbare Säule bezieht über den integrierten Stecker im Sockel und die Flexleiter im Innern die Stromversorgung für die beiden Motoren und die Regelelektronik.
Mittels Kugelbolzen können Liftsäule, Sitz- und Rückenelement ohne Werkzeug demontiert werden.
Ebenso sind die Antriebsräder und der Batteriekoffer für den leichten Transport einzeln steckbar.
Durch diese Bauweise, vorwiegend mit Staridard-Aluprofilen wird ein relativ leichtes und kostengünstiges Fahrzeug erreicht.The lift column for the seat adjustment consists on the one hand of the 3-fold telescopic lift and the attached groove rail. This in turn carries the sliding seat profile with the backrest and the fold-up seat.
The hinged and detachable column draws the power supply for the two motors and the control electronics via the integrated plug in the base and the flex conductors inside.
By means of ball pins, the lift column, seat and back elements can be dismounted without tools.
Likewise, the drive wheels and the battery case are individually pluggable for easy transport.
This construction, mainly with Staridard aluminum profiles a relatively light and inexpensive vehicle is achieved.

Beschreibung der Figuren:Description of the figures:

Fig. 1Fig. 1
zeigt einen Schnitt durch die Lifteinheit.shows a section through the lift unit.
Fig. 2Fig. 2
zeigt einen Schnitt durch die Liftsäule.shows a section through the lift column.
Fig. 3Fig. 3
zeigt Details der Liftsäule, insbesondere im Bereich der Befestigung.shows details of the lift column, especially in the area of attachment.
Fig. 4Fig. 4
zeigt die Sitzeinheit.shows the seat unit.
Fig. 5Fig. 5
zeigt den Sitzträger mit Sitz, Armlehne und Fussbügel.shows the seat support with seat, armrest and stirrups.
Fig. 6Fig. 6
zeigt einen Schnitt durch das Fahrgestell.shows a section through the chassis.
Fig. 7Fig. 7
zeigt den Rollstuhl von oben.shows the wheelchair from above.
Fig. 8Fig. 8
zeigt den Aufbau und die Nutzung der Liftfunktion in 3 Positionen:shows the structure and use of the lift function in 3 positions:
  • Pos. 1 als Aufstehhilfe vom Boden: Sitz und Fussbügel liegen am Boden auf, die Fussplatte ist zurückgelegt, sowie eine oder beide Armlehnen hochgeklappt.Pos. 1 as a stand-up aid from the floor: seat and stirrup are on the floor, the footplate is covered, and one or both armrests folded up.
  • Pos. 2 als Aufstehhilfe vom Sitzen: Sitz ist erhöht, die Armlehnen dienen als Stützen und die Fussplatte ist umgelegt.Pos. 2 as a stand-up from sitting: seat is raised, the armrests serve as supports and the foot plate is folded.
  • Pos. 3 für den Zugang erhöhter Gestelle: Sitz bis 95 cm hochgefahren, Fussbügel als Stütze, die schräggestellte Liftsäule ergibt optimale Schwerpunktlage.Item 3 for the access of elevated racks: Seat raised to 95 cm, stirrup as a support, the inclined pillar column provides optimum center of gravity.

Claims (9)

  1. Wheel chair, consisting of a chassis, a lift column and a seat assembly, characterized by the fact that the lift column is foldable and is attached to the chassis in such a manner that it can be pulled off and by the fact that the seat assembly is height-adjustable, can be folded upwards and that it is attached to the lift column in such a way that it can be removed.
  2. Wheel chair pursuant to Claim 1, characterized by the fact that the lift column is made from aluminum square tubes, which are slid into each other with the assistance of sliding plates, whereby a high power motor with planetary drive (1) has been flanged to the main bearing block (2) of the outermost tube and that the column can be pushed up via a ball spindle (3) via the ball nut (4) located in the innermost tube, so that the spindle return can be stopped by a magnetic brake (5) flanged to the motor.
  3. Wheel chair pursuant to Claim 1 or 2, characterized by the fact that, side profiles (6) have been attached to the outermost tube to guide a notch panel (7), which is connected to the innermost tube (9) via a bearing plate (8), and by the fact that a second ball spindle (10) is located in the top of this bearing plate (8) and on the bottom in a block (11) attached to the notch panel (7) and by the fact that it can be driven by a second motor (12) located in the innermost tube (9) via a toothed belt.
  4. Wheel chair pursuant to Claim 3, characterized by the fact that the seat assembly (15) is guided via a carrier element (14) into the notch panel (7) and that it can be pushed up or down via a ball flange (13) attached to same through the spindle (10) independently from the telescope lift and that the seat carrier and the back support are attached to the carrier element (14) in such a manner that they can be adjusted and that thanks to the dual, independently driven gliding system an adjustment range from the found to a height of 95 cm and a structural height, with the lift column retracted; of 90 cm can be attained.
  5. Wheel chair pursuant to one of Claims 1 through 4, characterized by the fact that separate motor controls (16) have been installed into the lift column and that they are fed by flex conductors (1) via a spring roller element (18) on the interior, whereby a plug and socket connection (19) in the column bottom provides power to the column lift during the insertion and folding up of the lift column.
  6. Wheel chair pursuant to one of the Claims 1 through 5, characterized by the fact that a column support element (21) with guide slots (20) has been installed in the chassis, thanks to which, with the help of tipping pin (22) the lift column can be precisely positioned and locked with the assistance of two ball pins whereby a pressure sensor (23) has been installed into (21) to warrant safe operation.
  7. Wheel chair pursuant to one of Claims 1 through 6, characterized by the fact that the seat assembly is attached to the lift column via a carrier element (14), by the fact that a seat cushion and back support cushion (25) have been attached to the seat carrier (24) and that a foot rest (26) as well as two arm rests (27) have been integrated into the seat carrier in a manner that allows them to be adjusted, whereby the seat level can be adjusted by pushing the cushion and the seat incline via an eccentric tappet axle (28) and the arm rest (27) length can be adjusted, and that the arm rests (27) feature a tube bow reaching through drilled holes in the seat carrier (24) and can be folded up separately, as well as secured by cams and stopper (31).
  8. Wheel chair pursuant to Claim 7, characterized by the fact that the upper ends of the foot rest (29) comprises the arm rest tubes, which create a pivoting bearing, which allows the level to be pushed up from a low sitting position via a roller (30) and the foot rest (26) whose height can be adjusted with the assistance of the eccentric tappet axle (26) and by the fact that a foot panel (32) does exist which comprises the bow (26) with two rings and can be folded back, and by the fact that the entire seat assembly can be separated from the lift column via the ball pin and can be folded up.
  9. Wheel chair pursuant to one of the Claims 1 through 8, characterized by the fact that the chassis features a stable aluminum base plate (34) onto which a column support (21) and two wheel suspensions (35), which accommodate the pluggable driving wheels, have been installed, and by the fact that two side panels (36) featuring steering rollers (37) have been screwed to the exterior of the wheel suspensions (35) with dampening sleeves (38) in a springy fashion and by the fact that a battery case (41) is attached to the wheel suspensions by way of Velcro belts and that the cover (39) can be opened with the assistance of two hinges (40) and that it is attached to the chassis in such a manner that it can be pulled off.
EP00710011A 2000-02-15 2000-07-31 Arrangement for lowering at ground level the seat of a wheelchair Expired - Lifetime EP1133968B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3082000 2000-02-15
CH00308/00A CH690417A5 (en) 2000-02-15 2000-02-15 Wheelchair comprises movement mechanism frame, lift column and seat unit, lift column being foldable and suspendable on movement mechanism frame

Publications (3)

Publication Number Publication Date
EP1133968A2 EP1133968A2 (en) 2001-09-19
EP1133968A3 EP1133968A3 (en) 2002-03-20
EP1133968B1 true EP1133968B1 (en) 2007-02-28

Family

ID=4493424

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00710011A Expired - Lifetime EP1133968B1 (en) 2000-02-15 2000-07-31 Arrangement for lowering at ground level the seat of a wheelchair

Country Status (4)

Country Link
EP (1) EP1133968B1 (en)
AT (1) ATE355043T1 (en)
CH (1) CH690417A5 (en)
DE (1) DE50014115D1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7055840B1 (en) 2004-11-17 2006-06-06 Kelso Thomas G Lift wheelchair
NZ540127A (en) * 2005-05-18 2008-03-28 Metalform Dannevirke Ltd Wheel chair with seat lowerable to floor level, and able to raise to high level, with enhanced stability and centre of gravity location
DE102012021370B3 (en) * 2012-11-04 2014-02-06 Martin Hoerdum Full-suspension folding cycle for use manual or electrical drive, as bicycle, tricycle or quadric-cycle, has frame, luggage carrier, handlebars, kickstand and pedals, which are unfolded out and folded up
SE539988C2 (en) * 2016-06-21 2018-02-20 Ionto Ab Device which is a hybrid of a personal lift and a height-adjustable seat and a method for using the device as a personal lift
CN106983619B (en) * 2017-05-15 2022-03-22 河北工业大学 Transfer, transport and nursing robot
CN107007416B (en) * 2017-05-26 2022-07-22 河北工业大学 Nursing is with supplementary carrier of old person
US11077002B1 (en) * 2017-12-21 2021-08-03 David M. Crump Power operated lift chair
CN110509059B (en) * 2019-09-27 2024-06-21 山东星辉液压设备有限公司 Cylinder loading machine
EP4209203A1 (en) * 2022-01-06 2023-07-12 Fair & Square Sàrl Device for assisting persons with reduced mobility

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3940808A (en) * 1974-10-21 1976-03-02 Bartholomew Petrini Patient transfer apparatus
GB8403788D0 (en) * 1984-02-14 1984-03-21 James Ind Ltd Invalid hoists
DE3602105A1 (en) * 1986-01-24 1987-07-30 Weiner Rudolf Lifting and transporting device for patients
DE3844317A1 (en) * 1988-12-30 1990-07-19 Gerhard Knatz Device for the accommodation of a seat, especially of a children's seat shell
DE4114252A1 (en) * 1991-05-02 1992-11-05 Christensen Thor Christen Wheelchair with seat of adjustable height - has telescopic guides to control motion of seat as it is raised
US5388289A (en) * 1993-09-16 1995-02-14 Casperson; Donald L. Combination wheelchair and lift
CA2214153A1 (en) * 1997-09-09 1999-03-09 Mark Sunderland Carrier and nesting wheelchair
EP1166741B1 (en) * 2000-06-20 2007-11-14 Josef Hunkeler Lifting and transport apparatus for disabled persons

Also Published As

Publication number Publication date
DE50014115D1 (en) 2007-04-12
ATE355043T1 (en) 2006-03-15
EP1133968A2 (en) 2001-09-19
CH690417A5 (en) 2000-09-15
EP1133968A3 (en) 2002-03-20

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