EP0200223A2 - Fauteuil roulant - Google Patents

Fauteuil roulant Download PDF

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Publication number
EP0200223A2
EP0200223A2 EP86105966A EP86105966A EP0200223A2 EP 0200223 A2 EP0200223 A2 EP 0200223A2 EP 86105966 A EP86105966 A EP 86105966A EP 86105966 A EP86105966 A EP 86105966A EP 0200223 A2 EP0200223 A2 EP 0200223A2
Authority
EP
European Patent Office
Prior art keywords
wheelchair
frame
assembly
footplate
person
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP86105966A
Other languages
German (de)
English (en)
Other versions
EP0200223A3 (fr
Inventor
Keith Leonard Sayed
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
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 Individual filed Critical Individual
Publication of EP0200223A2 publication Critical patent/EP0200223A2/fr
Publication of EP0200223A3 publication Critical patent/EP0200223A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—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
    • 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

Definitions

  • This invention relates to wheelchairs and more particularly to a wheelchair usable by any invalid or disabled person which enables a user to use the wheelchair to either stand while being supported or use the wheelchair in a normal manner.
  • An object of the present invention is to provide a wheelchair which can be used in the normal manner or to support a person upright in a substantially upright or standing position while being at least partially supported by the wheelchair.
  • a wheelchair apparatus arranged to hold a person in a substantially upright position
  • the apparatus including a wheeled frame the front of which supported by a wheeled footplate, the wheeled footplate supporting at least in part an assembly which in a substantially upright position can hold a person upright in association therewith, the arrangement being such that the wheeled frame and footplate can move or travel with the person in the substantially upright position.
  • the assembly can include means arranged to hold the person in association therewith.
  • the assembly can include armrest members which can support a part of the person's weight thereon.
  • the assembly can be a seat frame, a back frame and a support to the bottom of which is connected the footplate.
  • the assembly in its upright position has the footplate on the ground and in a lowered position the seat frame, back frame and support are configured as a chair.
  • a wheelchair including a wheeled base frame, a seat frame, a back frame, a drive means, a footplate support, a footplate and a control mechanism, the arrangement being such that the base frame supports the seat frame, back frame and support as parts of an extensible assembly, the seat frame having at the back thereof mounting members to which the back frame is attached, the support being connected to the front of the seat frame and having at its other end the footplate, the parts forming the extensible assembly have in their normal or sitting position the seat frame, back frame, and foot plate support positioned so that a person can sit thereon and when the person is strapped to the seat frame, back frame and/or support the extensible assembly can, by operation of the control mechanism, extend the assembly via the drive means which by a parallel linkage raises the seat portion to a near vertical position, the movement of the seat raising the back frame and moving the support downward until the bottom of the footplate is on the ground and the seat portion, back frame and supports are aligned to a near vertical configuration
  • the footplate can include castor or dolly wheels so that the wheelchair with the extensible assembly in its upright position can travel.
  • the wheelchair can use as the drive means for raising the extensible assembly an electrically operated linear motor.
  • the drive means is preferably controlled by a controller mounted on an armrest associated with the extensible assembly.
  • the wheelchair can use as the drive means for raising the extensible assembly at least one hydraulic ram powered by a hydraulic motor supported on the wheeled base frame.
  • the wheeled base frame can include at its rear a pair of large diameter main wheels and its front a pair of small diameter jockey wheels.
  • the pair of main wheels can include pull rims for the person to manually move the wheelchair.
  • the wheelchair frame can include a second drive means connected to drive the main wheels, for example, by an hydraulic or electric drive to the main wheels.
  • the wheelchair can include a braking system.
  • the wheelchair has a main frame 1 supported on main wheels 2 and jockey wheels 3.
  • the frame 1 supports a power supply, for example, a pair of batteries 4.
  • a power supply for example, a pair of batteries 4.
  • one of the batteries 4 is beneath a forward end of the frame 1 between jockey wheels 3.
  • the other position 4 (shown dotted in Figures 5 and 6) for either one or both batteries is between main wheels 2.
  • the wheelchair can include a drive means at 5 adjacent each main wheel 2 connected to drive the wheels, for example, by a proprietary hydraulic or electric drive mechanism adapted to drive the wheels.
  • the wheel hubs or drive mechanism can include a braking system.
  • the drive means is preferably controlled by a controller 6 mounted on one of a pair of armrests 7.
  • One or both of the armrests 7 can be adapted to pivot from its normal position - (shown in Figures 1 and 2) to the side to allow the person using the wheelchair greater freedom of movement.
  • the armrests 7 may be cantilevered or braced relative to the back frame members 11 and may be of sufficient strength and stability to at least partly support the weight of a person if he or she leans on the arms 7.
  • the main wheels 2 can be driven by electric motors at 5 through reduction gear boxes at each hub 8.
  • the directional movement of the wheelchair is controlled via a control lever 9 mounted on the controller 6.
  • the main frame 1 supports a seat frame members 10, back frame members 11 and a pair of supports 12 for a footrest 13.
  • the seat frame members 10 are linked together by cross members 14 and are hingeably mounted to either side of the main frame 1 on mounting plates 15 via extension 16 (Figure 6).
  • the supports 12 are pivotally mounted to the front edge 17 of the seat frame members 10 and have at their lower end the footrest 13 which has thereunder castor or dolly wheels 18.
  • the supports 12 are additionally supported forwardly of the jockey wheels 3 by a link 19 pivotally mounted between a front cross member (not shown) of the frame 1 and the supports 12.
  • each of the seat frame member 10 is at 20 attached the bottom of the respective back frame members 11.
  • the connection at 20 pivotally also supports arm 21 fixed to each member 11.
  • the arms 21 each with an adjacent linking member 22 form a linkage means for raising the back frame 11 and seat frame 10 together about the mounting plate 15.
  • the members 22 are linked at their forward end at 23 to the plate 15 (as shown in Figure 6).
  • the raising movement of linkage member 22 is from its lowest position Figure 1 where the member contact stops 2.4 on the frame 1 to a raised position ( Figure 3) via a partially raised position ( Figure 2). In the raised position the members 10, 11 and 12 are generally in line and are generally vertical.
  • the raising movement is under action of a linear actuator 25 connected between a lower rear cross frame member 26 of the frame 1 and a cross member 27 extends between the lower ends of the members 22.
  • a person can use the wheelchair while seated in the normal way. This operation can be assisted by another person using handles 28 formed at the upper end of the members 11. If a person wishes to stand, for example, in a library or at a bench, operation of the control switch 32 activates the actuator 25 and this allows a smooth travel upward as the actuator 25 extends. The raising of the linkage member 22 causing seat frame members 10 to rise and the back frame members 11 while the user is held in position against pads or squabs 33 by straps 29 between the frames members 10 and 11.
  • the support members 12 drop down under this movement until the castors 18 are in contact with the floor or ground (as shown in Figure 2). Further raising when castors 18 are in contact with the ground raises the jockey wheels 3 and the front of the wheelchair frame 1 to the position shown in Figure 3. The wheelchair can then travel around on the castors 18 and main wheels 2.
  • a padded pommel 30 for relieving pressure between the person's knees.
  • a padded belt 31, can be used in association with the pommel 30.
  • the control mechanism can include a manual overide so that a person cannot be stranded in the up position.
  • Advantages envisaged are as follows:
  • the back frame, seat frame and footrest support may be replaceable so that for children, the same base can be used and as the child grows the sizes of the respective parts are replaced to suit.
  • the invention can altematively be incorporated in a pneumatically powered wheelchair in which case the raising motion of the seat and back is caused by an hydraulic ram.
  • an hydraulic motor and reservoir is required which can be used to drive both the raising means and drive wheels of the wheelchair.
  • a wheelchair which can be used in the normal manner and or to support a person upright in a substantially vertical or standing position.

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)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Handcart (AREA)
EP86105966A 1985-05-01 1986-04-30 Fauteuil roulant Withdrawn EP0200223A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NZ21194385 1985-05-01
NZ211943 1985-05-01
NZ212900 1985-07-29
NZ21290085 1985-07-29

Publications (2)

Publication Number Publication Date
EP0200223A2 true EP0200223A2 (fr) 1986-11-05
EP0200223A3 EP0200223A3 (fr) 1988-05-25

Family

ID=26650639

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86105966A Withdrawn EP0200223A3 (fr) 1985-05-01 1986-04-30 Fauteuil roulant

Country Status (2)

Country Link
EP (1) EP0200223A3 (fr)
AU (1) AU5684386A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0278974A1 (fr) * 1986-08-25 1988-08-24 Retec PR Inc. Chaise roulante et dispositif d'aide a la marche combines
US5240277A (en) * 1991-05-08 1993-08-31 Richard Van Seenus Nederland B.V. Wheelchair
GB2409808A (en) * 2004-01-05 2005-07-13 Cheng Hsien Lin Get-up chair

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2572149A (en) * 1949-06-03 1951-10-23 Sylvia Hind Wheel chair attachment
DE1944764A1 (de) * 1968-09-10 1970-05-06 Van Rhyn Johannes Nicolaas Stehhilfe fuer einen Invaliden
US4119164A (en) * 1975-10-23 1978-10-10 The United States Of America As Represented By The Secretary Of The Navy Stand-aid invalid wheelchair
EP0155918A2 (fr) * 1984-03-19 1985-09-25 Amici Ivano Fauteuil roulant pour invalides

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2572149A (en) * 1949-06-03 1951-10-23 Sylvia Hind Wheel chair attachment
DE1944764A1 (de) * 1968-09-10 1970-05-06 Van Rhyn Johannes Nicolaas Stehhilfe fuer einen Invaliden
US4119164A (en) * 1975-10-23 1978-10-10 The United States Of America As Represented By The Secretary Of The Navy Stand-aid invalid wheelchair
EP0155918A2 (fr) * 1984-03-19 1985-09-25 Amici Ivano Fauteuil roulant pour invalides

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0278974A1 (fr) * 1986-08-25 1988-08-24 Retec PR Inc. Chaise roulante et dispositif d'aide a la marche combines
EP0278974A4 (fr) * 1986-08-25 1989-09-11 Falcon Rehab Prod Chaise roulante et dispositif d'aide a la marche combines.
US5240277A (en) * 1991-05-08 1993-08-31 Richard Van Seenus Nederland B.V. Wheelchair
GB2409808A (en) * 2004-01-05 2005-07-13 Cheng Hsien Lin Get-up chair

Also Published As

Publication number Publication date
EP0200223A3 (fr) 1988-05-25
AU5684386A (en) 1986-11-06

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