EP0904760A1 - Entretoise croisée pour fauteuil roulant - Google Patents

Entretoise croisée pour fauteuil roulant Download PDF

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Publication number
EP0904760A1
EP0904760A1 EP98115226A EP98115226A EP0904760A1 EP 0904760 A1 EP0904760 A1 EP 0904760A1 EP 98115226 A EP98115226 A EP 98115226A EP 98115226 A EP98115226 A EP 98115226A EP 0904760 A1 EP0904760 A1 EP 0904760A1
Authority
EP
European Patent Office
Prior art keywords
strut
seat
section
cross strut
cross
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
EP98115226A
Other languages
German (de)
English (en)
Other versions
EP0904760B1 (fr
Inventor
Gregor Horacek
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.)
Otto Bock Healthcare GmbH
Original Assignee
Otto Bock Orthopadische Industrie KG
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 Otto Bock Orthopadische Industrie KG filed Critical Otto Bock Orthopadische Industrie KG
Publication of EP0904760A1 publication Critical patent/EP0904760A1/fr
Application granted granted Critical
Publication of EP0904760B1 publication Critical patent/EP0904760B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
    • 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
    • A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
    • A61G5/0808—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction
    • A61G5/0816—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction folding side to side, e.g. reducing or expanding the overall width of the wheelchair
    • A61G5/0825—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable characterised by a particular folding direction folding side to side, e.g. reducing or expanding the overall width of the wheelchair comprising a scissor-type frame, e.g. having pivoting cross bars for enabling folding
    • 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
    • A61G5/1062—Arrangements for adjusting the seat adjusting the width of the seat
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S297/00—Chairs and seats
    • Y10S297/04—Wheelchair

Definitions

  • the invention relates to a cross strut for a folding wheelchair, with at least two crosswise with each other via a cross strut joint connected struts used to adjust the seat width are each made variable in length by telescoping and at their upper end one in each case transversely to the strut in the longitudinal direction of the folding wheelchair serves to determine the seat and to enlarge the Seat depth is changeable.
  • the invention has for its object the above Cross strut to improve constructively.
  • Seat profile is formed in two parts, the front seat profile section preferably telescoped continuously in the main seat tube.
  • the two-part seat covering enables problem-free length adjustment.
  • the seat depth setting remains the same rear seat cover stationary, while the front seat cover moved together with the front seat profile sections becomes.
  • Figure 1 shows a cross strut for a not shown Folding wheelchair.
  • This cross strut is shown in front view is therefore transverse to the longitudinal axis of the folding wheelchair and consists essentially of two crosswise over a cross strut joint 1 interconnected struts 2.
  • Each strut 2 is composed of an upper, tubular trained strut section 2a and also as a tube trained lower strut section 2b, the telescopic in upper strut section 2a is guided gradually displaceable.
  • Each strut section 2a, 2b has a row of holes 3, 4 which correspond with each other.
  • the cross brace joint 1 Screw or the like Is through a hole 3a of the row of holes 3 of the upper strut section 2a and by three with this Hole 3a aligned holes 4a of the row of holes 4 of the associated lower strut section 2b and 3a, 4a of the second strut 2 inserted.
  • the rows of holes 3, 4 are arranged so that the cross strut joint 1 always in the center of the cross point can be placed, i.e. in the vertical longitudinal median plane M at height h compared to the lower pivot points 5 of the two Struts 2. This ensures that the side frames the folding wheelchair, even when adjusting the seat width stand parallel to each other.
  • the upper strut section 2a there is a cross strut tab 6 articulated via a connection 7 through a multiple hole 8 of the cross strut plate 6 and a bore 9a the row of holes 9 forming the bearing on the upper strut section 2a is performed.
  • the holes 9a are not through the top Bracket section 2a passed through for maximum insertion of the lower strut section into the upper strut section.
  • the upper strut section welded a U-profile with its U-legs.
  • the holes 9a of the row of holes are in the U-leg 9 provided while in the between U-profile and strut section formed channel is inserted a flat steel, the one of the hole ranges 9 corresponding row of threaded holes having.
  • Figure 1 shows the cross strut in a setting for minimal Seat width.
  • the two struts 2 are shortened to a minimum length; the cross strut joint 1 is through the top hole 3a of the upper strut section 2a and thus through the lowest hole 4a of the associated lower strut section 2b; the Connection 7 is through the top holes of the multiple hole 8 of the cross strut plate 6 and the row of holes 9 of the upper one Buttress section 2a performed.
  • the seat width is determined by the distance a between the two upper ends of the struts 2, each by a transverse to the strut 2 in the longitudinal direction of the folding wheelchair lying seat profile 10 is defined. In one practical embodiment is the minimum seat width e.g. 23 cm and the maximum seat width shown in Figure 5 e.g. 33.5 cm.
  • Cross strut In the setting defining the maximum seat width Cross strut according to FIG. 5 is the height h of the cross strut joint 1 remained unchanged from that of FIG. 1; the Cross strut joint 1 is still on the vertical Longitudinal center plane M. Deviating from FIG. 1, however, these are Cross strut joint 1 and the connections 7 each in the Lower position of the assigned rows of holes 3, 4, 8, 9 provided. Since each of these rows of holes has multiple holes Intermediate positions possible.
  • Figures 1 and 5 show that the lower end of each upper strut section 2a and the arranged area of the lower Strut section 2b by a telescopic clamp 11 at the same time are gripped and clamped without play.
  • Figure 4 shows in conjunction with Figure 4 that the lower end of the lower Buttress section 2b by a slid-on, with the lower Bracket section 2a to be screwed lower extension 12 is formed is T-shaped.
  • a pipe plug 19 is placed, the dimensioned in the diameter of the outer section is that a low-clearance guide of the upper end of the lower Strut section 2b guaranteed in the upper strut section 2a is.
  • the seat profile 10 is formed in two parts, the front Seat profile section 10a continuously telescoped in the main seat tube 10b. On the two front seat profile sections 10a a movable front seat cover 13 together with these attached, partially from a stationary rear, to the two main seat tubes 10b attached seat cover 14 overlapped is.
  • each tensioning strip 15 provided, each above that assigned to them Seat profile 10 and the front seat cover 13th on the front seat profile sections 10a and on the two Press head tube 10b.
  • the attachment of each tensioning bar 15 takes place via two screw connections 16, 17, the rear in an elongated hole 18 in the top of the main seat tube 10b is and thus enables stepless telescoping and at the same time forms a protection against moving out.
  • the front seat cover is the same as the rear seat cover adjustable in width (e.g. by means of a not shown Velcro straps, buckles or the like) and are so on the desired frame width set with the cross strut customizable. Due to the two-part design of the seat covering their length adjustment is also possible without any problems.
  • the front seat cover 13 is placed around the tensioning strips 15, while the rear seat cover 14 around the main seat tubes 10b is performed. With the seat depth adjustment, the rear seat cover 14 stationary, while the front seat cover 13 together with the front seat profile sections 10a is moved.

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)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Tents Or Canopies (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
EP98115226A 1997-09-25 1998-08-13 Entretoise croisée pour fauteuil roulant Expired - Lifetime EP0904760B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19742267 1997-09-25
DE19742267A DE19742267C2 (de) 1997-09-25 1997-09-25 Kreuzstrebe für einen Faltrollstuhl

Publications (2)

Publication Number Publication Date
EP0904760A1 true EP0904760A1 (fr) 1999-03-31
EP0904760B1 EP0904760B1 (fr) 2002-11-06

Family

ID=7843552

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98115226A Expired - Lifetime EP0904760B1 (fr) 1997-09-25 1998-08-13 Entretoise croisée pour fauteuil roulant

Country Status (4)

Country Link
US (1) US6050582A (fr)
EP (1) EP0904760B1 (fr)
JP (1) JP3839596B2 (fr)
DE (2) DE19742267C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2366372A1 (fr) * 2010-01-07 2011-09-21 Handicare AS Appareil pour le verrouillage d'une structure en croix

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1056635B1 (fr) * 1998-02-24 2004-11-10 Sunrise Medical HHG Inc. Fauteuil roulant et ensemble de liaison a utiliser avec un fauteuil roulant
US6270105B1 (en) * 1999-11-16 2001-08-07 Da International, Ltd. Method of wheelchair construction
US6302429B1 (en) * 1999-11-16 2001-10-16 Da International, Ltd Convertible wheelchair
US6572133B1 (en) 2001-01-18 2003-06-03 Sunrise Medical Hhg, Inc. Folding mechanism for a wheelchair
JP3993996B2 (ja) * 2001-10-23 2007-10-17 株式会社ミキ 車椅子
US6679510B2 (en) * 2002-01-25 2004-01-20 Max C. Perena Walking assistance device
US20040021298A1 (en) * 2002-08-02 2004-02-05 Tsai Ruey Yun Foldable wheel chair
US20040021299A1 (en) * 2002-08-02 2004-02-05 Tsai Ruey Yun Folding device for wheelchair
US7055847B2 (en) * 2002-08-09 2006-06-06 Miller Mark E Collapsible support structure
JP3844354B2 (ja) * 2003-12-02 2006-11-08 日進医療器株式会社 座幅調整可能な車椅子
US20060237943A1 (en) * 2005-04-20 2006-10-26 Eric Lai Structure of a wheelchair
EP2070500A1 (fr) 2007-12-14 2009-06-17 Invacare International Sàrl Fauteuil roulant pliable avec assemblage du cadre d'entrejambes en forme de X
WO2009092101A2 (fr) * 2008-01-19 2009-07-23 Rich Kent Fauteuil roulant réglable
DK2140846T3 (da) 2008-07-03 2011-07-18 Invacare Int Sarl Sammenklappelig kørestol
EP2156814A1 (fr) 2008-08-22 2010-02-24 Invacare International Sàrl Fauteuil roulant pliable
US20120126513A1 (en) * 2010-11-18 2012-05-24 Richard Vincent Kent Adjustable Wheelchair
JP5727287B2 (ja) * 2011-04-28 2015-06-03 株式会社松永製作所 車椅子用クロスバー部材、及び、折り畳み式車椅子
US20120286552A1 (en) * 2011-05-11 2012-11-15 Martin Kace Wheelchair seat assembly
US8454048B1 (en) 2012-01-30 2013-06-04 Columbia Medical Manufacturing, Llc Folding wheelchair mechanism
US9060909B1 (en) * 2014-08-05 2015-06-23 KD HEALTH CARE Co. USA, INC. Foldable electric wheelchair
EP3108864B1 (fr) * 2015-06-23 2017-11-01 Gregor Horacek Fauteuil roulant pliable
US11793695B2 (en) * 2019-06-25 2023-10-24 University Of Washington Multifunction toilet wheelchair
USD976763S1 (en) 2021-02-10 2023-01-31 Drive Devilbiss Healthcare Rollator
US11559459B2 (en) 2021-02-16 2023-01-24 Drive Devilbiss Healthcare Rollator

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2669289A (en) * 1948-09-01 1954-02-16 John A Usher Folding chair
US4082348A (en) * 1976-03-01 1978-04-04 Invacare Corporation Adjustable wheel chair
US4989890A (en) 1986-09-30 1991-02-05 Invacare Corporation Length and width adjustable wheelchair
EP0827729A2 (fr) * 1996-09-04 1998-03-11 Meyra Wilhelm Meyer Gmbh & Co. Kg Fauteuil roulant

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733754A (en) * 1956-02-07 Invalid walker
US2649309A (en) * 1951-06-08 1953-08-18 Douglas D Deissner Foldable wheel chair and steerable wheel attachment therefor
US3117760A (en) * 1960-03-31 1964-01-14 Robert A Dresbach Support for a portable and collapsible exercising device
US4840390A (en) * 1986-09-30 1989-06-20 Invacare Corporation Symmetrically modular wheelchair
US5154438A (en) * 1991-09-30 1992-10-13 Barclay Hugh W Tilting and folding wheelchair

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2669289A (en) * 1948-09-01 1954-02-16 John A Usher Folding chair
US4082348A (en) * 1976-03-01 1978-04-04 Invacare Corporation Adjustable wheel chair
US4989890A (en) 1986-09-30 1991-02-05 Invacare Corporation Length and width adjustable wheelchair
EP0827729A2 (fr) * 1996-09-04 1998-03-11 Meyra Wilhelm Meyer Gmbh & Co. Kg Fauteuil roulant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2366372A1 (fr) * 2010-01-07 2011-09-21 Handicare AS Appareil pour le verrouillage d'une structure en croix

Also Published As

Publication number Publication date
US6050582A (en) 2000-04-18
JPH11164852A (ja) 1999-06-22
EP0904760B1 (fr) 2002-11-06
JP3839596B2 (ja) 2006-11-01
DE19742267C2 (de) 1999-10-21
DE59806168D1 (de) 2002-12-12
DE19742267A1 (de) 1999-04-08

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