EP0702945A1 - Fauteuil roulant avec cadre réglable - Google Patents

Fauteuil roulant avec cadre réglable Download PDF

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Publication number
EP0702945A1
EP0702945A1 EP94114370A EP94114370A EP0702945A1 EP 0702945 A1 EP0702945 A1 EP 0702945A1 EP 94114370 A EP94114370 A EP 94114370A EP 94114370 A EP94114370 A EP 94114370A EP 0702945 A1 EP0702945 A1 EP 0702945A1
Authority
EP
European Patent Office
Prior art keywords
parts
frame
wheelchair
wheelchair according
profiles
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Withdrawn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
EP94114370A
Other languages
German (de)
English (en)
Inventor
Karl-Heinz Kunze
Peter Mackert
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.)
Ortopedia GmbH
Original Assignee
Ortopedia GmbH
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 Ortopedia GmbH filed Critical Ortopedia GmbH
Priority to EP94114370A priority Critical patent/EP0702945A1/fr
Priority to FI953751A priority patent/FI953751A/fi
Priority to US08/525,376 priority patent/US5743545A/en
Priority to CA002158089A priority patent/CA2158089A1/fr
Priority to NO953597A priority patent/NO953597L/no
Publication of EP0702945A1 publication Critical patent/EP0702945A1/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Withdrawn legal-status Critical Current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
    • 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
    • A61G5/1051—Arrangements for steering
    • 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
    • A61G5/1054—Large wheels, e.g. higher than 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

Definitions

  • the invention relates generally to wheelchairs with an adjustable frame, in particular wheelchairs with two opposing and interconnected adjustable side frames and attached seat, backrest and drive and steering wheels.
  • a generic wheelchair with an adjustable frame is known from EP-0 312 969 B1.
  • the frame of this known wheelchair has two side frames connected by means of a folding device, on which the seat, backrest and drive and steering wheels are attached.
  • the side frames are composed of several profiled frame rod sections that are adjustable in angle and length.
  • the steering wheels are slidable in this construction in the longitudinal direction along a lower frame rod section.
  • the side frames each have two rigid frame parts which are adjustably connected to one another with elongated frame profiles in the longitudinal direction of the wheelchair, and in that one of the drive wheels and one on the other frame part in each case on one frame part the steering wheels can be mounted.
  • the wheelchair frame can be easily adjusted in the longitudinal direction, with the wheels being adjusted simultaneously with the adjustment of the seating position, which on the one hand maintains an optimal weight distribution on the wheels of the wheelchair and the frame has an extremely high rigidity.
  • the drive wheels are preferably on the longitudinal and rear frame parts in the longitudinal direction of the wheelchair
  • the height direction can be mounted in different positions and the steering wheels can each be slid in the longitudinal and vertical directions via a bracket along an inclined guide on the front frame parts in the longitudinal direction of the wheelchair, the brackets having a vertical pivot axis for the steering movement and a horizontal pivot axis around which the Steering wheels are pivotable for further height adjustment.
  • a section for the pivotable attachment of the backrest and on at least one of the frame parts carrying the steering wheels on the end face a receptacle for the pivotable attachment of a legrest can be provided on the rear frame part.
  • the legrest can be swiveled inwards and outwards or removed in a simple manner or exchanged for another legrest.
  • the pivotable articulation of the backrest on the rear frame part, to which the drive wheels are also attached, enables their displacement at the same time as the drive wheels are displaced.
  • the elongated frame profiles are continuous cast profiles and have a plurality of hollow chambers extending in the longitudinal direction, while the rigid frame parts are one-piece die-cast parts, preferably magnesium die-cast parts or aluminum die-cast parts.
  • braking devices for each of the drive wheels and brackets for armrests can also be slidably attached to the frame profiles in the longitudinal direction.
  • a large part of the side surfaces of the wheelchair is colored by the detachable attachment of colored trim parts or decorative elements.
  • the colored cladding parts can be produced inexpensively, for example preferably as flat plastic parts or platelets, the variable configuration of the main parts of the wheelchair being dispensed with due to the variable design.
  • storage of the trim parts is, in particular, considerably more cost-effective than storing differently painted, fully assembled wheelchairs or their main assemblies. The final choice of color or individual changes to the design of the wheelchair can be made in the shop without great effort, customer-specific or at the user's request at any later time.
  • Plug or clamp connections can be provided on the trim parts, via which the trim parts are detachably attached to the respective components to be covered.
  • the plug connections can be designed as molded wart-like projections on the trim parts, which are pressed into corresponding recesses or bores in the components of the wheelchair.
  • the trim parts are designed as flat plates which are dimensioned such that they are fastened, for example, between longitudinal grooves provided on frame profiles by insertion or snapping into them in such a way that they are slightly curved outwards and thus due to the resulting internal stress be held securely in the grooves.
  • Such an embodiment is characterized by particularly simple attachment of the trim parts and from an inexpensive manufacturability of the trim parts or decorative elements.
  • FIG. 1 and 4 show a wheelchair according to a preferred embodiment of the invention in side view.
  • the wheelchair has a frame which comprises two mutually opposite and interconnected adjustable side frames 1, which are shown enlarged in FIG.
  • the side frames are connected to one another by a folding mechanism known per se and therefore not shown, in particular a cross strut fastened to the inner sides of the side frames 1.
  • a separate cross strut can be provided for different seat widths or a width-adjustable cross strut can be used for several seat widths.
  • a seat 2 On the side frame 1, a seat 2, a backrest 3, drive wheels 4 and further attachments such as armrests 6, braking devices 9, leg supports 7 and brackets 8 for control or steering wheels 5 are attached.
  • Each side frame 1 comprises two rigid, front and rear frame parts 11 and 12 in the longitudinal direction of the wheelchair and upper and lower elongated frame profiles 13 connecting them together.
  • the front rigid frame part 11 carries the front attachments such as (pivotable) leg support 7 and the height-adjustable bracket 8 for the steering wheel 5 while the rear rigid frame part 12 has receptacles 12a and 12b for fastening the backrest 3 or respectively one of the drive wheels 4.
  • a receptacle 14 is provided on the front side of the front frame part 11 for pivotably fastening the legrest. Due to the pivotable articulation on the end face, a pivoting movement of the leg support 7 inwards and outwards is not restricted.
  • a suitable design of the receptacle 14, for example as a hole for a pivot on the leg support a leg support can be easily removed, replaced and, if necessary, exchanged for another model.
  • the bracket 8 for the steering wheel 5 is mounted on the front frame part 11 according to the arrow E in Figure 2 along an inclined guide 11a in the longitudinal and vertical directions of the side frame continuously.
  • the holder 8 has at its lower end a bearing for the steering wheel 5 mounted on a cantilever arm with a vertical steering axis and a horizontal pivot axis 8a for the steering wheel, which not only adjusts the steering wheel 5 about a vertical axis of the wheelchair in the course of the steering movement but also allows an angle adjustment around a horizontal axis.
  • This axle bearing is preferably realized by a castor bushing known per se.
  • the likewise rigid rear frame part 12 has a number (in the embodiment 7) of vertically and horizontally spaced receptacles 12b for mounting the drive wheel 4 in different positions.
  • a plurality of receptacles 12a are also provided for mounting the backrest 3 in different positions.
  • the backrest 3 can be attached to the receptacles 12a in a pivotable manner, or the pivoting mechanism for the backrest 3 is integrated in the latter itself.
  • the backrest 3 has a back stiffening bracket 17 which is displaceably fastened in the longitudinal grooves of the backrest 3 and is therefore infinitely adjustable in its height position.
  • triple push handles 18 which are adjustable in height.
  • the front and rear rigid frame parts 11 and 12 are preferably made as die-cast parts, in particular in magnesium or aluminum die-cast. If necessary, they have stiffening ribs 11d or 12f.
  • these (not shown) guides for inserting the profiles and bores 11b, 11c, 12c, 12d, with several for setting different longitudinal positions of the frame profiles 13 in these provided holes 13c can be aligned and connected by suitable connecting elements such as screws or pins.
  • the front frame part 11 is firmly screwed to the frame profiles 13, while the rear frame part 12 can be moved in the longitudinal direction of the frame profiles 13 to adjust the seat and wheel position in the direction of arrow B in FIG. 2 and in the various longitudinal positions is noticeable.
  • the frame profiles 13 are preferably symmetrically profiled 3-chamber profiles, in particular extruded profiles with three chambers 13a, 13a and 13b to increase the torsional rigidity.
  • a braking device 9 and an armrest receptacle 10 in the direction of arrows C and D in FIG. 2 can be moved continuously in the longitudinal direction of the profiles 13 and can be locked in their respective positions by suitable devices.
  • Various armrest types (for example with or without clothing protection or with their own height adjustment) can be attached to the armrest receptacle 10, the longitudinal adjustment allowing the armrest position to be adapted to the respective seat position. Due to the stepless longitudinal adjustment of the braking device 9, this can be adapted to the respective drive wheel position, so that a sufficient braking effect is ensured in all installation positions of the drive wheels 4.
  • the trim parts are preferably designed as flat colored plastic parts or panels or as corresponding plastic molded parts, which are attached in a simple manner to the side surfaces of the respective components to be covered by a detachable connection. Due to the design as plastic plates or plastic molded parts, the trim parts or decorative elements 15 can be manufactured, colored and processed inexpensively and simply. If necessary, other materials such as sheet metal made of different metals, wood, coated paper or cardboard, etc., as well as other coating and design processes such as painting, printing, anodizing, chrome plating, etc. can also be used.
  • the inventive design of the adjustable side frame enables a particularly simple attachment of such trim parts 15, for example by being formed to cover the front and rear frame parts 11 and 12 on these recesses 11e and 12e, into which correspondingly shaped wart-like projections on the trim parts can be inserted .
  • all suitable detachable connection types can be used to attach the trim parts to the components (Screws, rivets, adhesive, etc.) or suitably molded plug or clamp connection devices.
  • the side faces of the elongated frame profiles 13 can be clad in a particularly simple manner by inserting or latching strip-shaped cladding parts 15 between grooves 16 formed in the longitudinal direction on the upper and lower edges of the profiles. Adequate fastening of the trim parts 15 is achieved in that the width of the trim parts is selected to be somewhat larger than the distance between the grooves 16. The curvature thus generated towards the outside of the elastically deformed and resilient covering parts keeps them securely in their position. Alternatively, other suitable detachable fastening devices can also be used here for fastening the trim parts.
  • the snap fastening of the cladding parts into the grooves provided on the components to be clad can also be achieved by appropriate shaping of the rigid frame parts.
  • the trim parts for the intermediate sections of the frame profiles can be cut to the appropriate length.
  • This embodiment of the invention enables not only the various setting options for the seating position of the wheelchair described above, but also a simple, inexpensive and also subsequent change in the color design of the wheelchair according to the invention in adaptation to the individual aesthetic wishes of the wheelchair user.
EP94114370A 1994-09-13 1994-09-13 Fauteuil roulant avec cadre réglable Withdrawn EP0702945A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP94114370A EP0702945A1 (fr) 1994-09-13 1994-09-13 Fauteuil roulant avec cadre réglable
FI953751A FI953751A (fi) 1994-09-13 1995-08-07 Pyörätuoli
US08/525,376 US5743545A (en) 1994-09-13 1995-09-07 Wheelchair with adjustable frame
CA002158089A CA2158089A1 (fr) 1994-09-13 1995-09-12 Fauteuil roulant a chassis reglable
NO953597A NO953597L (no) 1994-09-13 1995-09-12 Rullestol med kledningsdeler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP94114370A EP0702945A1 (fr) 1994-09-13 1994-09-13 Fauteuil roulant avec cadre réglable

Publications (1)

Publication Number Publication Date
EP0702945A1 true EP0702945A1 (fr) 1996-03-27

Family

ID=8216281

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94114370A Withdrawn EP0702945A1 (fr) 1994-09-13 1994-09-13 Fauteuil roulant avec cadre réglable

Country Status (5)

Country Link
US (1) US5743545A (fr)
EP (1) EP0702945A1 (fr)
CA (1) CA2158089A1 (fr)
FI (1) FI953751A (fr)
NO (1) NO953597L (fr)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19726213A1 (de) * 1997-06-20 1999-01-07 Invacare Deutschland Gmbh Rollstuhl
WO2000028932A1 (fr) * 1998-11-13 2000-05-25 Invacare Corporation Systeme de suspension pour fauteuil roulant
EP1859764A2 (fr) * 2006-05-24 2007-11-28 Vassilli s.r.l. Chaise roulante réglable pour enfants handicapés
CN102860905A (zh) * 2012-10-12 2013-01-09 常州中进医疗器材有限公司 一种可调整重心的轮椅
US8910975B2 (en) 2007-02-14 2014-12-16 Invacare Corporation Wheelchair with suspension
US8925943B2 (en) 2001-10-10 2015-01-06 Invacare Corp. Wheelchair suspension
US9010470B2 (en) 2009-10-09 2015-04-21 Invacare Corporation Wheelchair suspension
US9149398B2 (en) 2000-10-27 2015-10-06 Invacare Corporation Obstacle traversing wheelchair
US9308143B2 (en) 2012-02-15 2016-04-12 Invacare Corporation Wheelchair suspension
US9364377B2 (en) 2002-10-25 2016-06-14 Invacare Corporation Suspension for wheeled vehicles
US9603762B2 (en) 2007-02-08 2017-03-28 Invacare Corporation Wheelchair suspension
US11213441B2 (en) 2002-10-25 2022-01-04 Invacare Corporation Suspension for wheeled vehicles
US11903887B2 (en) 2020-02-25 2024-02-20 Invacare Corporation Wheelchair and suspension systems

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US6345833B2 (en) * 1998-11-12 2002-02-12 Freedom Designs Incorporated Two-piece side frame assembly for small wheelchairs
DE29817702U1 (de) * 1998-10-05 1999-01-07 Sopur Medizintechnik Gmbh Rollstuhl
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DE10241008B4 (de) * 2002-09-05 2004-07-29 Otto Bock Healthcare Gmbh Rollstuhl, insbesondere Elektrorollstuhl
US20040084230A1 (en) * 2002-10-28 2004-05-06 Christopher Grymko Transportable wheelchair
US7837208B2 (en) * 2003-10-07 2010-11-23 Phillip Minyard Willis Mobile support assembly
US9173802B2 (en) 2003-10-07 2015-11-03 Amg Medical, Usa. Mobile support assembly
US7926834B2 (en) * 2003-10-07 2011-04-19 AMG Medical, USA Mobile support assembly
US20080129016A1 (en) * 2006-01-31 2008-06-05 Phillip Minyard Willis Mobile support assembly
US7540527B2 (en) * 2003-10-07 2009-06-02 Phillip Minyard Willis Mobile support assembly
US7207403B2 (en) * 2003-10-08 2007-04-24 Pride Mobility Products Corporation Transportable power wheelchair
WO2005072288A2 (fr) * 2004-01-23 2005-08-11 Sunrise Medical, Inc. Fauteuil roulant a pliage lateral et cadre lateral de fauteuil roulant
US7198284B2 (en) * 2004-04-07 2007-04-03 Invacare Corporation Adjustable personal mobility aid
DE202004005653U1 (de) * 2004-04-08 2004-07-15 Meyra Wilhelm Meyer Gmbh & Co. Kg Rollstuhlrahmen
WO2006102754A1 (fr) * 2005-03-30 2006-10-05 Jaimie Borisoff Chaise roulante
WO2006116834A1 (fr) * 2005-05-03 2006-11-09 Positech Innovation Inc. Fauteuil a mecanismes de reglage multiples
CA2517117A1 (fr) * 2005-05-13 2006-11-13 Philip M. Willis Canne de marche
US7451992B2 (en) 2006-01-31 2008-11-18 Phillip Minyard Willis Mobile support assembly
DE602006012031D1 (de) * 2006-06-30 2010-03-18 Invacare Internat S A R L Winkelverstellvorrichtung einer Schwenkrolle für einen Rollstuhl
US8439376B2 (en) * 2008-07-08 2013-05-14 Amg Medical, Usa. Mobile support assembly
WO2010102028A1 (fr) 2009-03-03 2010-09-10 Hector Melvin G Structure, composants et procédé de construction et de fonctionnement de véhicule propulsé manuellement à verrouillage automatique, tel qu'une chaise roulante
US8561736B2 (en) * 2009-10-13 2013-10-22 Rehabilitation Research Of Evansville, Inc. Adjustable mid-wheel power wheelchair drive system
WO2015097846A1 (fr) * 2013-12-27 2015-07-02 株式会社アグメント Chaise roulante
US9150102B1 (en) 2014-05-01 2015-10-06 Mattel, Inc. Chassis assemblies with repositionable gearbox for children's ride-on vehicles, and assembly methods
US9814636B1 (en) 2016-06-07 2017-11-14 Orville Person, Jr. Lateral movement wheelchair
CN106109125B (zh) * 2016-06-27 2018-07-20 张七龙 轮椅的摩擦式人工驱动装置
CN107496087A (zh) * 2016-06-27 2017-12-22 张七龙 轮椅的摩擦式人工驱动装置的使用方法

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Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19726213A1 (de) * 1997-06-20 1999-01-07 Invacare Deutschland Gmbh Rollstuhl
WO2000028932A1 (fr) * 1998-11-13 2000-05-25 Invacare Corporation Systeme de suspension pour fauteuil roulant
US6161856A (en) * 1998-11-13 2000-12-19 Invacare Corporation Wheelchair suspension system
US6425597B1 (en) 1998-11-13 2002-07-30 Invacare Corporation Lightweight wheelchair frame
US9987177B2 (en) 2000-10-27 2018-06-05 Invacare Corporation Obstacle traversing wheelchair
US9149398B2 (en) 2000-10-27 2015-10-06 Invacare Corporation Obstacle traversing wheelchair
US8925943B2 (en) 2001-10-10 2015-01-06 Invacare Corp. Wheelchair suspension
US9370455B2 (en) 2001-10-10 2016-06-21 Invacare Corporation Wheelchair suspension
US9364377B2 (en) 2002-10-25 2016-06-14 Invacare Corporation Suspension for wheeled vehicles
US9925100B2 (en) 2002-10-25 2018-03-27 Invacare Corporation Suspension for wheeled vehicles
US10512572B2 (en) 2002-10-25 2019-12-24 Invacare Corporation Suspension for wheeled vehicles
US11213441B2 (en) 2002-10-25 2022-01-04 Invacare Corporation Suspension for wheeled vehicles
EP1859764A2 (fr) * 2006-05-24 2007-11-28 Vassilli s.r.l. Chaise roulante réglable pour enfants handicapés
EP1859764A3 (fr) * 2006-05-24 2008-03-05 Vassilli s.r.l. Chaise roulante réglable pour enfants handicapés
US10265229B2 (en) 2007-02-08 2019-04-23 Invacare Corporation Wheelchair suspension
US11819464B2 (en) 2007-02-08 2023-11-21 Invacare Corporation Wheelchair suspension
US9603762B2 (en) 2007-02-08 2017-03-28 Invacare Corporation Wheelchair suspension
US11464687B2 (en) 2007-02-08 2022-10-11 Invacare Coporation Wheelchair suspension
US10912690B2 (en) 2007-02-08 2021-02-09 Invacare Corporation Wheelchair suspension
US11850906B2 (en) 2007-02-14 2023-12-26 Invacare Corporation Stability control system
US9827823B2 (en) 2007-02-14 2017-11-28 Invacare Corporation Stability control system
US9346335B2 (en) 2007-02-14 2016-05-24 Invacare Corporation Stability control system
US11535078B2 (en) 2007-02-14 2022-12-27 Invacare Corporation Stability control system
US8910975B2 (en) 2007-02-14 2014-12-16 Invacare Corporation Wheelchair with suspension
US10532626B2 (en) 2007-02-14 2020-01-14 Invacare Corporation Stability control system
US11097589B2 (en) 2007-02-14 2021-08-24 Invacare Corporation Stability control system
US9913768B2 (en) 2009-10-09 2018-03-13 Invacare Corporation Wheelchair suspension
US11096845B2 (en) 2009-10-09 2021-08-24 Invacare Corporation Wheelchair suspension
US9010470B2 (en) 2009-10-09 2015-04-21 Invacare Corporation Wheelchair suspension
US11857470B2 (en) 2009-10-09 2024-01-02 Invacare Corporation Wheelchair suspension
US10434019B2 (en) 2012-02-15 2019-10-08 Invacare Corporation Wheelchair suspension
US11234875B2 (en) 2012-02-15 2022-02-01 Invacare Corporation Wheelchair suspension
US9700470B2 (en) 2012-02-15 2017-07-11 Invacare Corporation Wheelchair suspension
US9308143B2 (en) 2012-02-15 2016-04-12 Invacare Corporation Wheelchair suspension
CN102860905A (zh) * 2012-10-12 2013-01-09 常州中进医疗器材有限公司 一种可调整重心的轮椅
US11903887B2 (en) 2020-02-25 2024-02-20 Invacare Corporation Wheelchair and suspension systems

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FI953751A0 (fi) 1995-08-07
CA2158089A1 (fr) 1996-03-14
NO953597D0 (no) 1995-09-12
US5743545A (en) 1998-04-28
NO953597L (no) 1996-03-14
FI953751A (fi) 1996-03-14

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