EP1128793A1 - Siege basculant a centre de gravite constant pour fauteuil roulant - Google Patents

Siege basculant a centre de gravite constant pour fauteuil roulant

Info

Publication number
EP1128793A1
EP1128793A1 EP99971694A EP99971694A EP1128793A1 EP 1128793 A1 EP1128793 A1 EP 1128793A1 EP 99971694 A EP99971694 A EP 99971694A EP 99971694 A EP99971694 A EP 99971694A EP 1128793 A1 EP1128793 A1 EP 1128793A1
Authority
EP
European Patent Office
Prior art keywords
seat
wheelchair
bracket
wheelchair according
frame
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
EP99971694A
Other languages
German (de)
English (en)
Other versions
EP1128793B1 (fr
EP1128793B9 (fr
Inventor
Nicholas A. Mascari
Carl M. Juchem
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.)
Invacare Corp
Original Assignee
Invacare Corp
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
Priority claimed from US09/188,851 external-priority patent/US6126186A/en
Application filed by Invacare Corp filed Critical Invacare Corp
Priority to EP09150240A priority Critical patent/EP2039334B1/fr
Publication of EP1128793A1 publication Critical patent/EP1128793A1/fr
Publication of EP1128793B1 publication Critical patent/EP1128793B1/fr
Application granted granted Critical
Publication of EP1128793B9 publication Critical patent/EP1128793B9/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • A61G5/1056—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
    • A61G5/1081—Parts, details or accessories with shock absorbers or other suspension arrangements between frame and 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
    • A61G5/04—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
    • A61G5/1067—Arrangements for adjusting the seat adjusting the backrest relative to the seat portion
    • 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

  • the present invention relates to a wheelchair having a tiltable seat containing a reclinable back member and a bottom member which seat is tilted as an integral unit while maintaining the center of gravity of a person seated therein.
  • the wheelchair also has marking elements, which show the tilt angle of the seat.
  • wheelchairs have existed wherein the chair or seat portion thereof was rockable about a common axis, or tilted about the rear apex of the seat, or which was pivotally connected to side members of a chair at a plurality of points to allow tilting thereof.
  • U.S. Patent No. 4,893,827 relates to a chair for use by an incapacitated person having a wheeled frame which carries a body support assembly composed of a seat, a back, and a foot rest.
  • the back is angularly adjustable relative to the seat and the footrest is angularly adjustable relative to the seat.
  • the body support assembly is rockable as a unit relative to the frame to enable the entire assembly to occupy any one of a number of tilted positions.
  • the body support assembly may be removed as a unit from the frame for use as a car seat or the like.
  • 5,785,384 relates to a device for an adjustable chair where the back of the chair at a first mounting site on each side thereof is pivotally connected to respective side members of the chair and at a second mounting site forms a hinged connection with a rear part of the chair set frame, where the chair seat frame at a front mounting site on each side thereof is slidably connected to a respective side member along a front guide which forms a part of the side member.
  • the first mounting site on the chair back is designed to slide along a rear, forward and downward inclining guide in the side member and the seat frame has on each side a rear mounting site between said front mounting site and said second mounting site for the chair back, said rear mounting site forming a slidable connection with a guide in each respective side member, which is located between the front and rear guides when seen in the longitudinal direction of the side member which is either horizontal or inclines slightly forward and upward.
  • U.S. Patent 5,044,647 relates to a kit or assembly which can be used in the manufacture of a new wheelchair or to retrofit an existing wheelchair.
  • the basic wheelchair structure includes a base portion having a pair of cross members mounted in the rear half of the upper portion of the wheelchair base structure.
  • a pair of parallel guide rails are mounted between the cross members with a seat support bar at- tached to a pair of pillow blocks mounted on the guide rails.
  • a linear actuator is centrally positioned within the wheelchair base structure to longitudinally move the seat support bar forwardly or rearwardly within the wheelbase of the wheelchair.
  • a rear edge of a wheelchair seat unit is pivotally attached to the upper surface of the seat support bar.
  • Cam plates each having a curved cam slot, are provided on each side of the seat unit with the cam slots engaging cam followers mounted on a pair of stanchions provided on each side of the rear portion of the base structure.
  • a control switch causes the linear actuator to move the seat support bar in a forward or rearward direction which causes the seat unit to move causing the cam follower pins positioned within the cam slots to tilt or angularly move the seat unit to a maximum reclined position of 60 degrees.
  • the entire seat unit is moved forward a predetermined distance to obtain the desired degree of tilt and to maintain the center of gravity substantially centered within the base structure to maintain the balance and stability of the wheelchair and the safety of the patient.
  • a tiltable seat of a wheelchair has a back member and a bottom member with the bottom member being supported by an archial support member which slides or rolls over a support arm which is connected to the frame of the wheelchair.
  • the seat generally at the junction of the back member and the bottom member, is also slidably attached through a link and a bracket, having a pivot pin, to a gear rack which in turn is connected to the frame.
  • the radius of curvature of the archial support member is desirably such that the end point of the radius generally coincides with the center of gravity of a hypothetical or composite person seated within the chair, and the angle of the gear rack is generally such that it approximates the arc of the bracket pivot pin about the center of gravity location if the seat were not connected to the gear rack.
  • the seat can be inclined to any desired tilt position and maintained there until the hand grip is subsequently released and the seat moved to another position.
  • the wheelchair can also have marking elements which show the tilt angle of the seat, and also a reclinable back seat member.
  • Fig. 1 is a perspective view of a wheelchair containing a tiltable seat according to the present invention.
  • Fig. 2 is a side elevational view showing the seat in an upright position.
  • Fig. 3 is a side elevational view showing the seat in a tilted position.
  • Fig. 4 is a top plan view taken in line 4-4 of Fig. 2 showing the wheelchair frame assembly, the archial support member, cross frame members, and the like.
  • Fig. 5 is a perspective view showing the archial support member connected to a seat bottom member, and
  • Fig. 6 is a perspective view of the gear rack.
  • Fig. 7 is a perspective view of a wheelchair containing a tiltable seat according to the present invention, a recessed seat, and marking elements which show the tilt angle of the seat.
  • Fig. 8 is a side elevational view of a wheelchair having a reclinable back member as well as a tiltable seat. The seat is shown at 0 degrees tilt and 90 degrees recline.
  • Fig. 9 is a side elevational view showing the seat tilted 0 degrees and 180 degrees recline.
  • Figure 10 is a perspective view of the tiltable and reclinable wheelchair showing a recliner bracket plate, recliner cylinders, re- cliner release handles, and a pull cable release grip.
  • a tiltable seat according to the present invention can be utilized on any conventional or typical wheelchair such as a powered wheelchair but desirably is utilized in association with a manual wheelchair.
  • Wheelchair 10 contains mainframe 12 which has a front portion 14 and a rear portion 1 6 upwardly inclined at a predetermined angle with respect to the horizontal.
  • the front end of frame front portion 14 contains a pivotal caster assembly 32 so that wheelchair 10 can be readily pivoted and turned in any desirable direction.
  • front leg 18A and a rear leg 1 8B depending therefrom which each containing a plurality of apertures 22 so that wheel 30 can be attached thereto at any desirable height through the utilization of a suitable or conventional wheel attachment structure.
  • a suitable or conventional wheel attachment structure which can be a bracket, can contain a plurality of slots or recesses so that the wheel axle can be located at any horizontal position.
  • support arm or clevis 24 Connected to front frame portion 14 is support arm or clevis 24, which at the upper end thereof can have any convenient element such as roller
  • Gear rack 40 is connected to rear portion 16 of the frame through any suitable fastener 42 such as a cap screw.
  • the gear rack can generally be of any shape or configuration such as a rectangle, a flange, a channel, or an annular tube 44 having along one side thereof recesses 46 with teeth 48 located there between.
  • the recesses and teeth as shown in Fig. 6, generally extend along the entire length of the gear rack.
  • Slidably engaging gear rack 40 is bracket 50 which generally can be of any size or shape and has an aperture 52 for receiving bracket pin 54 which pivotally receives a seat extension link discussed herein below in greater detail.
  • Slidable bracket 50 can be operated manually as shown or by power (not shown). When operated manually, gear rack bracket 50 also receives pull cable 60 which is connected at the other end to a handgrip. The pull cable is received by spring loaded housing 56 of the gear rack bracket so that a projection, not shown, is always pressed or forced into a recess 46 of the gear rack thereby maintaining bracket 50 in a set or fixed position.
  • Back member 72 can be a metal tube or any other suitable article containing a handle 73 for gripping by an individual as well as pull cable release grip 74.
  • Application of an upward pressure to the release grip or a squeezing pressure thereto by an individual causes pull cable 60 to be pulled upwardly along the back member and at its other end pulls the projection out of gear rack recess 46 so that the gear rack bracket can then be manually slid upwardly or downwardly and repositioned in another recess upon release of grip 74.
  • bracket 50 When operated by power, not shown, bracket 50 can be moved in a number of different ways such as by a hydraulic piston connected to the frame, or by gear rack 40 being a worm gear meshing with teeth within the bracket.
  • the back member also contains a transverse tilt bar 76, which in addition to handle 72, can be grasped by an individual to either push a manual wheelchair or to cause the seat to be manually tilted backward or forward.
  • the height of the tilt bar can be adjusted by positioning the same in any of a plurality of apertures 77 which extend along the length of the back member.
  • seat back pin 78 Located at a lower portion of back member 72 is seat back pin 78 which in part connects seat back 72 to connection plate 90.
  • hinge pin 79 pivotally connects the seat back member to connection plate 90.
  • Rear portion 16 of frame 12 optionally can contain marking elements 17, which correspond to the degree that seat 70 is tiltable, as in a forward or backward direction.
  • the seat may be tilted in a range generally of from about 10 degrees forward to about 45 degrees rearward.
  • Markings 1 7 can be in the form of a decal, etching, scoring, or any suitable graduation marks or such.
  • the markings 17 are capable of being lined up with a suitable marking point 1 9 located on gear rack bracket 50.
  • Marking point 19 can also be a decal, etching, scoring, or other suitable locating element.
  • Marking point 19 in association with markings 17 readily allow the seat to be set at a desirable degree of tilt such as that recommended by physical therapist or other medical person. This ability im- parts several advantages to a patient, such as ease of breathing, relief of pressure, improved ability to swallow, and improved posture.
  • Seat bottom member 82 can be a metal tubular seat frame member generally located on the lateral sides of the seat and contain various fittings and the like upon which a seat, a seat cushion, and the like can be placed.
  • At the back end of bottom members 82 are generally located two bolts, i.e., front bolt 84 and rear bolt 86, which through corresponding apertures of the bottom member secure connec- tion plate 90 to the bottom member.
  • Connection plate 90 serves to fixedly secure seat back member 72 to seat bottom member 82 as an integral unit such as at an angle of 90 degrees with respect to each other. Moreover, connection plate 90 permits back member 72 to be fixedly secured to the bottom member at a number of recline positions other than 90 degrees, for example, up to a reclining angle of about 30 degrees at generally 10 degree increments. This is accomplished through the utilization of apertures 98A, 98B, and 98C. Thus, in lieu of utilizing seat bottom bolt 86 in the position indicated in Fig. 2, the bolt can be inserted in aperture 98C to recline the back an additional 10 degrees, i.e., a 100 degree angle with respect to seat bottom member 82.
  • angles of an additional 20 degrees or 30 degrees can be obtained by utilizing aperture 98B or 98A, respectively, to achieve an overall angle of 1 10 and 1 10 degrees respectively with regard to the seat bottom member.
  • the utilization of spring loaded latch 92 permits seat back member 72 to be quickly disengaged from an integral connection with bottom member 82 and lowered to essentially a horizontal position when not in use.
  • Spring latch 92 is pivotally attached to connection plate 90 through latch pivot pin 94.
  • latch 92 can be pressed downwardly thereby freeing seat back pin 78 from mechanical engagement with a recess in latch 92 whereby the seat back can be lowered to reside over the seat bottom.
  • the seat back is in use, it is utilized in an upward position as shown in Fig. 2.
  • seat back member 72 which hinges about hinge pin 79 is prevented from moving backward by the engagement thereof with a stop block, not shown, which is secured to connection plate 90 through the utilization of stop block bolts 96A and 96B.
  • An important aspect of the present invention is the utilization of an archial support or curvilinear member 1 10 in conjunction with frame support or clevis arm 24.
  • Archial support member 1 10 is generally in the form of an arc of a circle.
  • the radius of the arc terminates in an end point or center point which is generally located within the vicinity of the center of gravity of a hypothetical or composite person. Such a person is defined as being representative of an average of a variety of different sized and shaped people.
  • the location of the center of gravity of the hypothetical person is about 7.5 inches forward of back members 72 and 6.5 inches above bottom members 82.
  • a different center of gravity location will exist if archial support member 1 10 is tailor made for a specific person or a class of persons (e.g., small or large) since the radius of the support member will be different.
  • the radius end point of support member 1 10 is generally located within 4 or 3 inches, desirably within 2 inches, and preferably within 1 inch of the center of gravity of the hypothetical or composite person or other person.
  • the radius end point or center point of support member 1 10 will generally reside within a circle and more preferably along a horizontal line having, re- spectively, a diameter or length of less than about 4, 3, or 2 inches, or preferably less than about one inch from the center of gravity location.
  • Archial support member 1 10 is connected to generally horizontal foot member 1 1 2 which in turn is connected to leg member 1 14 attached to the underside of bottom seat member 82.
  • each left and right side member is connected to each other through front cross member 1 16 and rear cross member 1 18 as shown in Fig. 4.
  • lateral stability of the main frame is accomplished by connecting left and right sides of main frame 1 2 to each other through frame front cross member 28 and frame rear cross member 29A and 29B.
  • Recessed seat bottom member 71 is located on foot members 1 12 and/or front and rear cross members 1 16 and 1 18 respectively as shown at least in Figs. 1 , 2 and 3.
  • the recessed seat is generally lo- - Sweated from about 1 -1 /2 inches to about 3 inches, and preferably from about 2 inches to about 2-1 /2 inches below bottom member 82. If the seat were located higher or lower, the center of gravity of an individual in the seat would often change.
  • the recessed seat offers better stabil- ity to the user and allows one to be more comfortable and closer to frame member 14.
  • the recessed seat also compensates for cushions, thick or thin, that can be utilized with wheelchair 10.
  • the same can be a curvilinear member such as a portion of a parabola, a hyper- bolic, or a curve, which is not part of a circle.
  • the curvilinear member has a shape such that when seat 70 is rotated on said member over support arm 24, the center of gravity of the hypothetical or composite person, etc., seated in the wheelchair is a point, located a specific distance forward of the back member and a specific distance above the bottom member, which point is generally maintained in a fixed position or relatively small locus as the seat is tilted backward or forward. Such locus is generally an area as noted above.
  • the seat can be tilted up to about 50 or 60 degrees. Rearward tilting of the seat causes bracket 50 to slide downwardly along gear rack 44 and at the same time cause seat bottom member 82 to move forwardly with archial support member 1 10 moving forward along roller 26.
  • the combination of the inclination of rack 40 and the radius of curvature of archial support member 1 10 riding upon support arm 24 thus causes the cen- ter of gravity of a hypothetical or composite person, etc., seated within seat 70 to be substantially maintained as the seat bottom is moved forwardly and the back tilted rearwardly.
  • the angle of inclination of the gear rack is such that the gear rack is parallel to the line that coincides with bracket pin 54 at both the maximum and mini- mum tilt of the seat when the seat is rotated about the center of gravity of a person independent of the frame 12.
  • FIG. 1 Another preferred embodiment relates to a tilt and recline seat in which seat back member 72 is reclinable.
  • connection plate 90 is replaced with recliner bracket plate 1 30 as can be generally seen in at least Figs 9, 10 and 1 1 .
  • Seat back member 72 is hingedly or rotatably attached to recliner bracket plate 130 making seat back member reclinable.
  • a recliner cylinder 140 at one end is operatively and fixedly attached to a rear portion of recliner bracket plate 130 and at the opposite end to seat back cylinder mounting bracket 144 through cylinder release bracket 142.
  • Seat back cylinder mounting bracket 144 is mounted on seat back member 72.
  • Back member 72 can have a handle 73 as seen in Fig.
  • pull cable release grip 74 and recliner release handle 146 are fix- edly attached thereto or to seat back member 72.
  • recliner release handle 146 is mounted under stroller handle 1 50 so that applying pressure on the recliner release handle lever causes recliner cable 148 to allow recliner cylinder 140 to be released thereby allowing the seat back member to be reclined from a range of about 90 degrees to about 180 degrees in relation to seat bottom member 82.
  • Pull cable release grip 74 is preferably mounted on the inside of stroller handle 1 50 so that upon applying pressure thereto the wheelchair can be tilted as described herein above.
  • recliner cable 148 can run from recliner release handle 146 to cylinder release bracket 142 on the same side of the wheelchair, it is preferred that recliner cable 148 is attached to a recliner release handle and cylinder release bracket on opposite side of the wheel- chair to prevent kinking or binding of recliner cable 148.
  • recliner cylinders 140 are utilized, but any number will suffice.
  • the cylinders are preferably gas-locking cylinders, but oil or other fluid type cylinders can also be used.
  • the gas pressure counteracts the weight of the person in the chair and thus aids an at- tendant raising the seat back member.
  • the constant center of gravity tilt seat of the present invention has been described in association with a preferred embodi- ment having a manual tilt, as well as with a manual tilt and manual recline seat back, it can use a power tilt and also a power recline seat back.
  • the tilt seat, as well as the tilt and recline seatback seat can also be utilized with any wheelchair base including power wheelchairs, i.e., powered by one or more batteries, as well as with different types of wheel drives, for example, a front-wheel drive, a mid-wheel drive, or a rear-wheel drive. All that is required is seat 70 and related structural components such as archial support member 1 10 and gear rack 40 be attached to the frame work of such vehicles in a manner as shown and described herein.
  • different wheel sizes and locations can be utilized such as where the front wheels have a large diameter and the rear wheels have a smaller diameter.

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)
  • Seats For Vehicles (AREA)
  • Handcart (AREA)

Abstract

L'invention concerne un siège basculant destiné à un fauteuil roulant, qui est fonctionnellement relié au châssis de ce dernier par un élément support arqué et par une crémaillère de façon que son basculement ne modifie sensiblement pas le centre de gravité de la personne assise. Un bloc de fixation coulissant le long de la crémaillère peut être arrêté ou libéré à n'importe quel angle d'inclinaison désiré du siège. Le fauteuil roulant peut également comporter un élément dossier inclinable et des éléments repères indiquant l'angle d'inclinaison du siège.
EP99971694A 1998-11-09 1999-11-03 Siège basculant à centre de gravité constant pour fauteuil roulant Expired - Lifetime EP1128793B9 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09150240A EP2039334B1 (fr) 1998-11-09 1999-11-03 Support de produit à peser pour une balance

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US09/188,851 US6126186A (en) 1998-11-09 1998-11-09 Constant center of gravity tilt seat of a wheelchair
US188851 1998-11-09
US408906 1999-09-29
US09/408,906 US6206393B1 (en) 1998-11-09 1999-09-29 Constant center of gravity tilt seat of a wheelchair
PCT/US1999/025880 WO2000027332A1 (fr) 1998-11-09 1999-11-03 Siege basculant a centre de gravite constant pour fauteuil roulant

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP09150240A Division EP2039334B1 (fr) 1998-11-09 1999-11-03 Support de produit à peser pour une balance
EP09150240.1 Division-Into 2009-01-08

Publications (3)

Publication Number Publication Date
EP1128793A1 true EP1128793A1 (fr) 2001-09-05
EP1128793B1 EP1128793B1 (fr) 2009-04-01
EP1128793B9 EP1128793B9 (fr) 2010-02-17

Family

ID=26884518

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99971694A Expired - Lifetime EP1128793B9 (fr) 1998-11-09 1999-11-03 Siège basculant à centre de gravité constant pour fauteuil roulant

Country Status (5)

Country Link
EP (1) EP1128793B9 (fr)
AU (1) AU742801B2 (fr)
CA (1) CA2340916C (fr)
NZ (1) NZ510620A (fr)
WO (1) WO2000027332A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5096940A (en) * 1989-06-07 1992-03-17 Techmer Pm Degradable polymeric compositions
US5096939A (en) * 1989-06-07 1992-03-17 Techmer Pm Degradable polymeric compositions

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007042033A1 (fr) * 2005-10-07 2007-04-19 R82 A/S Disposition de réglage de siège
US8584286B2 (en) 2010-04-27 2013-11-19 Ec Service Inc. Systems and methods for providing a self deflating cushion
RU2452451C1 (ru) * 2011-01-12 2012-06-10 Вадим Степанович Степанов Кресло-коляска для инвалидов (варианты)
CN103750962B (zh) * 2014-01-07 2016-03-16 江苏东方创意文化产业有限公司 一种轮椅
WO2016041087A1 (fr) * 2014-09-18 2016-03-24 Miller Greg Bruce Chaise réglable

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2604131B1 (fr) * 1986-09-19 1990-02-02 Cousin Cie Ets A & M Freres Glissieres courbes commandees
US4893827A (en) 1988-08-31 1990-01-16 Gunnell, Inc. Chair construction for incapacitated persons
DE3921384C1 (fr) * 1989-06-29 1991-02-14 Erfi Produktions-Gmbh & Co Kg, 8637 Ahorn, De
US5044647A (en) 1989-11-17 1991-09-03 Folio Products, Inc. Stabilized reclining wheelchair seat
NO300754B1 (no) 1994-10-14 1997-07-21 Handicare Ind As Anordning ved stillbar stol

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0027332A1 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5096940A (en) * 1989-06-07 1992-03-17 Techmer Pm Degradable polymeric compositions
US5096939A (en) * 1989-06-07 1992-03-17 Techmer Pm Degradable polymeric compositions

Also Published As

Publication number Publication date
AU742801B2 (en) 2002-01-10
AU1465000A (en) 2000-05-29
CA2340916C (fr) 2006-07-04
EP1128793B1 (fr) 2009-04-01
WO2000027332A1 (fr) 2000-05-18
EP1128793B9 (fr) 2010-02-17
CA2340916A1 (fr) 2000-05-18
NZ510620A (en) 2002-11-26

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