EP1997466B1 - Wheelchair which stands up simplified - Google Patents

Wheelchair which stands up simplified Download PDF

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Publication number
EP1997466B1
EP1997466B1 EP08009043.4A EP08009043A EP1997466B1 EP 1997466 B1 EP1997466 B1 EP 1997466B1 EP 08009043 A EP08009043 A EP 08009043A EP 1997466 B1 EP1997466 B1 EP 1997466B1
Authority
EP
European Patent Office
Prior art keywords
wheelchair
seat
actuator
stands
disabled
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.)
Revoked
Application number
EP08009043.4A
Other languages
German (de)
French (fr)
Other versions
EP1997466A3 (en
EP1997466A2 (en
Inventor
Berto Vassilli
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.)
Vassilli SRL
Original Assignee
Vassilli SRL
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39765030&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1997466(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Vassilli SRL filed Critical Vassilli SRL
Publication of EP1997466A2 publication Critical patent/EP1997466A2/en
Publication of EP1997466A3 publication Critical patent/EP1997466A3/en
Application granted granted Critical
Publication of EP1997466B1 publication Critical patent/EP1997466B1/en
Revoked 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
    • A61G5/006—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs convertible to stretchers or beds
    • 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
    • A61G5/1056—Arrangements for adjusting the seat
    • A61G5/1075—Arrangements for adjusting the seat tilting the whole seat backwards
    • 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
    • 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
    • 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

Definitions

  • Purpose of this patent is that one to manufacture a multifunctional wheelchair with the less possible of actuators, few poles, compound levers and linkages, in order to result simplified, more lightweight, more safe. More precisely all the configurations which the wheelchair can assume as height of the seat, as orientation of the backrest with concomitant orientation of the legrests, as tilting, as verticalization is obtained with only 3 actuators obtained by a detailed location and assembling among them.
  • a lever with fulcrum with an edge on the base loading structure of the wheelchair is connected by hinging with the free edge opposed to the seat structure and an actuator with the cylinder connected by hinging to the loading base structure of the wheelchair, it moves by its stem the above described lever.
  • the third existing actuator is applied to the structure of the seat.
  • the moving of the steam of the said third actuator acts on the backrest until line it with the seat.
  • the backrest transmit in concomitancy to its adjustments of laying, by a connecting stem, to the legrests structure parallel adjustments of laying to the above legrests structure.
  • the fig. 1 shows sidely a wheelchair schematized in its standard configuration of wheelchair with seat, backrest, legrests, footplates showing the 3 actuators in their initial position to be activated.
  • the fig. 2 shows once again sidely the wheelchair of fig. 1 with the actuators in the previous initial position to be activated which now shows the actuator which in the previous figure was in a laying flat under the other 2.
  • the fig. 3 shows the wheelchair of fig. 1 in which the third actuator placed under the seat and jointed with it is actived having effected the backwards upsetting of the backrest and the elevating of the legrests in order to obtain the backrest and the legrests nearly lined to the seat in the specific case it correspond to the horizontality.
  • the fig. 4 shows the wheelchair of fig. 1 where it results activated the main actuator in direct connection to the loading base structure of the wheelchair which uprise the seat (with connected backrest and legrests in parallel of its connection point by hinging so that the seat assumes a backwards reclined position.
  • FIG 5 shows the wheelchair of figure 1 where now in addition to the activation of the main actuator in that said connection with the loading basic structure which raise a point of the seat, it is partially activated also the secondary actuator loaded jointly by the lever of the above said main actuator which raises the seat in another point by the edge of the stem connected to it, moved, the said stem, to the opposite edge in uprise from the said secondary actuator.
  • the seat complete with backrest and legrests results to be uprised with the standard placing of horizontal seating.
  • the fig. 6 shows the wheelchair of fig. 1 with all the 3 actuators activated and exactly the main actuator and the secondary actuator which keep uprised the structure of the seat in order to aasume a position almost vertical and the third placed under the structure of the seat which define the position of the backrest of the legrests almost aligned with the position of the seat.
  • the ensemble of the lever 8 and of the cylinder 11 with its stem 28 compose the main actuator.
  • This last one is composed of a worm 19 which let move up and down on a groove (not evidenced) a slide 15.
  • the travels suitably coordinated by the stem 28 of the cylinder 11 which moves the lever 17 defines both the adjustments of height of the seat 4 and its position.
  • the third actuator 21 joint to the understructure of the seat 4 by its stem 22 coupled in the point 23 of the lower appendance of the backrest 5 hinged in the point 26 with the seat 4 defines the orientation making it to turn around the point 26.
  • the moving of the stem 24 defines the moving of the legrest 6 and connected footrest 7 coupled by hinging in the point 27 of the forwards extension 18 of the structure of the seat 4.
  • This third actuator 21 defines the concomitant moving of the seat 5 and of the footrest 6, 7 passing from the positions of normal seating to the position of almost alignment of backrest, seat and legrests.
  • the said further configuration in combination of the activation of the 2 previous actuators which set the seat in vertical position contribute to obtain the positioning in vertical of the wheelchair.
  • the said wheelchair with the possibility of its adjustments allows the use for disabled persons of different size or in any case for a same disabled person for his complete evolutive growing phase.

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)
  • Motorcycle And Bicycle Frame (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Prostheses (AREA)
  • Tents Or Canopies (AREA)

Description

  • It is known that in the market exist wheelchairs for rehabilitation of certain kinds of disabled having various performances like the adjustment of the height of the seat, the backrest and the legs support, the tilting, the verticalization. Such a wheelchair is known from DE 20303000 U1 .
  • The solutions to obtain the above said performances are the most various adopting single actuators operating by electric motors or by oildynamic devices and a complete serie of compund levers and linkages.
  • The inconvenients which are evidenced by the present wheelchairs, for saying, multifunctional are complex, expensive and liable to need often setting up or registrations for the complexity of the kinematic and the great quantity of actuators of various type.
  • Purpose of this patent is that one to manufacture a multifunctional wheelchair with the less possible of actuators, few poles, compound levers and linkages, in order to result simplified, more lightweight, more safe. More precisely all the configurations which the wheelchair can assume as height of the seat, as orientation of the backrest with concomitant orientation of the legrests, as tilting, as verticalization is obtained with only 3 actuators obtained by a detailed location and assembling among them.
  • A lever with fulcrum with an edge on the base loading structure of the wheelchair is connected by hinging with the free edge opposed to the seat structure and an actuator with the cylinder connected by hinging to the loading base structure of the wheelchair, it moves by its stem the above described lever.
  • Applying in a joint way, in an intermediate point, to the above said lever it is located a screw actuator which moves along to a threaded bar a slide to which is connected by hinging the edge of a stem whose opposite edge is connected by hinging to the structure of the seat.
  • Operating by these 2 actuators it is possible to obtain the adjustment of the height of the seat, or its tilting, or its verticalization, singularly or in combination among them.
  • The third existing actuator, is applied to the structure of the seat.
  • The moving of the steam of the said third actuator acts on the backrest until line it with the seat.
  • The backrest transmit in concomitancy to its adjustments of laying, by a connecting stem, to the legrests structure parallel adjustments of laying to the above legrests structure.
  • The combined action of this actuator, applied to the structure of the seat which makes the lining up of the backrest and the legrest to the seat and the action of the 2 actuators which act on the structure of the seat setting it on the vertical position, define the verticalization of the active part of the wheelchair which interest the disabled person as user.
  • All what explained previously is clarified by the examination of the enclosed drawings.
  • The fig. 1 shows sidely a wheelchair schematized in its standard configuration of wheelchair with seat, backrest, legrests, footplates showing the 3 actuators in their initial position to be activated.
  • The fig. 2 shows once again sidely the wheelchair of fig. 1 with the actuators in the previous initial position to be activated which now shows the actuator which in the previous figure was in a laying flat under the other 2.
  • The fig. 3 shows the wheelchair of fig. 1 in which the third actuator placed under the seat and jointed with it is actived having effected the backwards upsetting of the backrest and the elevating of the legrests in order to obtain the backrest and the legrests nearly lined to the seat in the specific case it correspond to the horizontality.
  • The fig. 4 shows the wheelchair of fig. 1 where it results activated the main actuator in direct connection to the loading base structure of the wheelchair which uprise the seat (with connected backrest and legrests in parallel of its connection point by hinging so that the seat assumes a backwards reclined position.
  • The figure 5 shows the wheelchair of figure 1 where now in addition to the activation of the main actuator in that said connection with the loading basic structure which raise a point of the seat, it is partially activated also the secondary actuator loaded jointly by the lever of the above said main actuator which raises the seat in another point by the edge of the stem connected to it, moved, the said stem, to the opposite edge in uprise from the said secondary actuator.
  • The seat complete with backrest and legrests results to be uprised with the standard placing of horizontal seating.
  • The fig. 6 shows the wheelchair of fig. 1 with all the 3 actuators activated and exactly the main actuator and the secondary actuator which keep uprised the structure of the seat in order to aasume a position almost vertical and the third placed under the structure of the seat which define the position of the backrest of the legrests almost aligned with the position of the seat.
  • From the examination of the figures it is evidenced that on the loading basic structure of the wheelchair composed by the framing 1 and the wheels 2,3 is hinged in 9 the lower edge of the lever 8 which upper edge is coupled by a hinging to the understructure of the seat 4; and it is hinged in 12 the lower appendage of the cylinder 11 which stem 28 coupled in 13 with the lever 8 provide to its moving.
  • The ensemble of the lever 8 and of the cylinder 11 with its stem 28 compose the main actuator.
  • It is setted joint in an intermediate position of the stem 8, the loading structure 20 of the secondary actuator 14.
  • This last one is composed of a worm 19 which let move up and down on a groove (not evidenced) a slide 15.
  • To the said slide 15 it is hinged the lower edge of a stem 17 whose upper edge 18 it is hinged in a point of the understructure of the seat 4 suitably moved away from the connection point 10 of the upper edge of the lever 8.
  • The travels suitably coordinated by the stem 28 of the cylinder 11 which moves the lever 17 defines both the adjustments of height of the seat 4 and its position.
  • The third actuator 21 joint to the understructure of the seat 4 by its stem 22 coupled in the point 23 of the lower appendance of the backrest 5 hinged in the point 26 with the seat 4 defines the orientation making it to turn around the point 26.
  • In concomitance with the moving of the stem 22 and therefore of the backrest 5 it is moved the stem 24 hinged with one of the edges in the point 23 and with the opposite edge hinged in the point 25 of the structure of the legrest 6.
  • The moving of the stem 24 defines the moving of the legrest 6 and connected footrest 7 coupled by hinging in the point 27 of the forwards extension 18 of the structure of the seat 4.
  • The activation of this third actuator 21 defines the concomitant moving of the seat 5 and of the footrest 6, 7 passing from the positions of normal seating to the position of almost alignment of backrest, seat and legrests.
  • The said further configuration, in combination of the activation of the 2 previous actuators which set the seat in vertical position contribute to obtain the positioning in vertical of the wheelchair.
  • The said wheelchair with the possibility of its adjustments allows the use for disabled persons of different size or in any case for a same disabled person for his complete evolutive growing phase.
  • It is of relevant inventiveness to have been able to obtain with only 3 actuators all the possible performances singularly or in combination for a wheelchair until its verticalization being able to obtain a wheelchair simplified at the maximum in its kinematisms, making it more handy, and more economic both about the cost and the maintenance.

Claims (7)

  1. Wheelchair for disabled which stands up simplified characterized by the fact that for the adjustments of the seat height (4) and of its orientation compared to the loading structure of the wheelchair, it includes at least 2 actuators and a first of said at least 2 actuators (8,11), (14), which provide singularly or in combination to the above said movements of the seat (4), is directly connected by hinging (12,9) to the loading structure (1) of the wheelchair, being the said actuator (8,11) composed of a lever (8) hinged to an edge (9) with the loading structure (1) and with the other edge (10) to the seat (4), and of a cylinder (11) with stem (28) which is layed (12) to the loading structure (1) of the wheelchair acts with the stem (28) in a lever (8) intermediate position (13) and the said second actuator (14) those which provides together with the said first actuator (8,11) to the adjustment of the seat (4), has its loading structure (20) jointed to the lever (8) of the first one (8,11) and therefore mobile compared to the loading structure (1) of the wheelchair and with an opposite edge is hinged in a point of the understructure of the seat (4).
  2. Wheelchair for disabled which stands up simplified according to claim 1 characterized by the fact that the said second actuator (14) comprises a worm gear (19) which moves a slide (16), and comprises a lever (17) which edges (15, 18) are connected to the said slide (15) and to the seat (4).
  3. Wheelchair for disabled which stands up simplified according to claim 1 or claim 2 characterized by the fact that the actuator (8,11) directly connected by hinging (12,9) to the structure (1) of the wheelchair can be activate alone to act to move the seating (4), in an independent way from the actuator (14) jointed to it.
  4. Wheelchair for disabled which stands up simplified according to one or more of the previous claims characterized by the fact that the second actuator (14) jointed (20) to the first one (8) can be activated alone, whatever is the position assumed by the first actuator (8,11), to move the seat (4).
  5. Wheelchair for disabled which stands up simplified according to one or more of the previous claims characterized by the fact that the said 2 actuators (8,11,14,19,17) can be activated simultaneously to obtain coordinated registrations of the seat (4).
  6. Wheelchair for disabled which stands up simplified according to one or more of the previous claims characterized by the fact that a third actuator (21) is joint to the structure of the seat and is composed of a cylinder (21) and by a stem (22) which actioned provide to move the backrest (5) adjusting the laying and to move a stem (24) which operate the legrest (6) and the footrest (7) adjusting its laying.
  7. Wheelchair for disabled which stands up simplified according to one or more of the previous claims characterized by the fact that the said first at least 2 actuators (8,11,14,19,17) verticalize the seat level (4) and the said third actuator (21,22,24,23,25) alignes the backrest (5) and legrest (6) laying to the seat (4) to achieve the verticalization of the entire wheelchair (1).
EP08009043.4A 2007-05-29 2008-05-16 Wheelchair which stands up simplified Revoked EP1997466B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000189A ITPD20070189A1 (en) 2007-05-29 2007-05-29 WHEELCHAIR THAT IS VERTICALIZED SIMPLIFIED.

Publications (3)

Publication Number Publication Date
EP1997466A2 EP1997466A2 (en) 2008-12-03
EP1997466A3 EP1997466A3 (en) 2009-11-18
EP1997466B1 true EP1997466B1 (en) 2013-07-03

Family

ID=39765030

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08009043.4A Revoked EP1997466B1 (en) 2007-05-29 2008-05-16 Wheelchair which stands up simplified

Country Status (5)

Country Link
EP (1) EP1997466B1 (en)
DK (1) DK1997466T3 (en)
ES (1) ES2429032T3 (en)
IT (1) ITPD20070189A1 (en)
PT (1) PT1997466E (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101013566B1 (en) 2009-01-06 2011-02-14 ë°•ě‹ ě„ť Subsidiary implement for helping sitting and standing up
WO2010109466A1 (en) * 2009-03-24 2010-09-30 Galileo Mobility Instruments Ltd. Wheelchair
DE102009049536A1 (en) * 2009-10-13 2011-04-14 Otto Bock Mobility Solutions Gmbh Wheelchair with a height and tilt adjustable seat
US8474849B2 (en) * 2010-09-30 2013-07-02 Permobil Ab Wheelchair legrest assembly
US9668928B2 (en) 2013-03-15 2017-06-06 Stryker Corporation Person support apparatus with pivoting backrest
US20140265502A1 (en) 2013-03-15 2014-09-18 Stryker Corporation Medical support apparatus
EP2823796B1 (en) 2013-07-12 2017-08-16 Permobil AB Wheelchair with tilt capability
RU2595580C1 (en) * 2015-09-09 2016-08-27 Николай Петрович Дядченко Two-wheel chassis of wheelchair of n. p. dyadchenko
US11020295B2 (en) 2015-12-22 2021-06-01 Stryker Corporation Patient support systems and methods for assisting caregivers with patient care
US10813806B2 (en) 2016-05-24 2020-10-27 Stryker Corporation Medical support apparatus with stand assistance
EP3597164A1 (en) * 2018-07-19 2020-01-22 Permobil AB Mobility device
EP3597163B1 (en) 2018-07-19 2021-05-05 Permobil AB Mobility device
WO2024000038A1 (en) * 2022-06-29 2024-01-04 Red Milawa Pty Ltd Leg rest assembly for a wheelchair

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2800589B1 (en) * 1999-11-10 2002-01-04 Francis Tauzin ARTICULATED ARMCHAIR FOR MEDICAL USE, FOR THE DISABLED AND FOR RELAXATION
DE20303000U1 (en) * 2003-02-25 2003-07-17 Sander Wolfgang Mobile electrical, height adjustable and tiltable shower and toilet chair has asynchronous parallelogram enabling simultaneous raising and tilting, further tilting motion into lying position
DE102004007866A1 (en) * 2004-02-17 2005-09-01 Littec Gmbh Trolley for lifting and transporting patients on chairs has a servo operated hoist with tilt facility

Also Published As

Publication number Publication date
EP1997466A3 (en) 2009-11-18
DK1997466T3 (en) 2013-09-30
ES2429032T3 (en) 2013-11-12
ITPD20070189A1 (en) 2008-11-30
PT1997466E (en) 2013-10-01
EP1997466A2 (en) 2008-12-03

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