EP4085888A3 - Backrest and chair - Google Patents

Backrest and chair Download PDF

Info

Publication number
EP4085888A3
EP4085888A3 EP22171726.7A EP22171726A EP4085888A3 EP 4085888 A3 EP4085888 A3 EP 4085888A3 EP 22171726 A EP22171726 A EP 22171726A EP 4085888 A3 EP4085888 A3 EP 4085888A3
Authority
EP
European Patent Office
Prior art keywords
region
backrest
support surface
elastic
sheet material
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.)
Pending
Application number
EP22171726.7A
Other languages
German (de)
French (fr)
Other versions
EP4085888A2 (en
Inventor
Henricus Antonius Maria Staarink
Marike BIJTELAAR
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.)
Life & Mobility Development BV
Original Assignee
Life & Mobility Development BV
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 Life & Mobility Development BV filed Critical Life & Mobility Development BV
Publication of EP4085888A2 publication Critical patent/EP4085888A2/en
Publication of EP4085888A3 publication Critical patent/EP4085888A3/en
Pending 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
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A61G5/122—Rests specially adapted therefor, e.g. for the head or the feet for the back
    • 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
    • A61G5/1043—Cushions specially adapted for wheelchairs
    • A61G5/1045—Cushions specially adapted for wheelchairs for 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
    • A61G5/1043—Cushions specially adapted for wheelchairs
    • A61G5/1048—Cushions specially adapted for wheelchairs for the back-rest
    • 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
    • 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
    • A61G5/1064—Arrangements for adjusting the seat adjusting the depth 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
    • A61G5/08—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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

Backrest for supporting the back of a seated person comprising a rigid backrest frame and a back support structure comprising substantially non-elastic, flexible sheet material. The non-elastic, flexible sheet material comprising a central region and at least four lateral segments, wherein the backrest support surface in its loaded condition has a form-stable, a three-dimensionally curved shape of which a cross-sectional view in the sagittal plane shows a backrest support surface curvature. Preferably, this backrest support surface curvature corresponds with the vertebral curvature at least in a region which corresponding with the lumbar region and a transition region which is formed by a lower part of the thoracic region and an upper part of the lumbar region.
EP22171726.7A 2021-05-05 2022-05-05 Backrest and chair Pending EP4085888A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2028153A NL2028153B1 (en) 2021-05-05 2021-05-05 Backrest and chair

Publications (2)

Publication Number Publication Date
EP4085888A2 EP4085888A2 (en) 2022-11-09
EP4085888A3 true EP4085888A3 (en) 2023-02-22

Family

ID=77412278

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22171726.7A Pending EP4085888A3 (en) 2021-05-05 2022-05-05 Backrest and chair

Country Status (2)

Country Link
EP (1) EP4085888A3 (en)
NL (1) NL2028153B1 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5020816A (en) * 1987-10-19 1991-06-04 Mulholland Designs, Inc. Adjustable frame wheelchair
US5503459A (en) * 1993-08-17 1996-04-02 White; Carol Wheelchair back for kyphotic patients
US6186594B1 (en) * 1998-04-07 2001-02-13 Corporation De L'ecole Polytechnique Flexible contour wheelchair backrest
US6767066B1 (en) * 2003-01-09 2004-07-27 Patrician Furniture Co. Articulated chair for health care
US20060208552A1 (en) * 2005-03-18 2006-09-21 Broda Enterprises, Inc. Laterally adjustable armrest assembly
JP4721254B2 (en) * 2004-09-08 2011-07-13 俊壱 木原 Chair
EP1295582B1 (en) * 2001-09-24 2012-06-20 Ludgerus Beheer B.V. Wheelchair with a self-supporting sitting support and method for manufacturing same
KR102165278B1 (en) * 2020-06-16 2020-10-13 김동민 Folding wheelchair

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5020816A (en) * 1987-10-19 1991-06-04 Mulholland Designs, Inc. Adjustable frame wheelchair
US5503459A (en) * 1993-08-17 1996-04-02 White; Carol Wheelchair back for kyphotic patients
US6186594B1 (en) * 1998-04-07 2001-02-13 Corporation De L'ecole Polytechnique Flexible contour wheelchair backrest
EP1295582B1 (en) * 2001-09-24 2012-06-20 Ludgerus Beheer B.V. Wheelchair with a self-supporting sitting support and method for manufacturing same
US6767066B1 (en) * 2003-01-09 2004-07-27 Patrician Furniture Co. Articulated chair for health care
JP4721254B2 (en) * 2004-09-08 2011-07-13 俊壱 木原 Chair
US20060208552A1 (en) * 2005-03-18 2006-09-21 Broda Enterprises, Inc. Laterally adjustable armrest assembly
KR102165278B1 (en) * 2020-06-16 2020-10-13 김동민 Folding wheelchair

Also Published As

Publication number Publication date
NL2028153B1 (en) 2022-11-23
EP4085888A2 (en) 2022-11-09

Similar Documents

Publication Publication Date Title
ES2425015T3 (en) Procedure and apparatus to dynamically correct posture
US7413250B2 (en) Back support
US7607738B2 (en) Contoured seat and method
US3740096A (en) Orthopedic seat
AU2016287479B2 (en) Back support
JPH0274429A (en) Seat for automobile
EP4085888A3 (en) Backrest and chair
CN107485210B (en) Adjustable back support for a sitting surface
EP2227989A2 (en) Support cushion
EP3179886B1 (en) Chair
JP6338126B2 (en) Chair support structure
EP3493704B1 (en) Dynamic postural device
CN219895152U (en) Office chair back rest structure
US10398232B2 (en) Seat cushion
CN216994021U (en) Waist rest for pressure-release vehicle
JP7212918B2 (en) Seating cushions and chair seats
JP3130289U (en) Chair leg structure with human body engineering
EP3294096B1 (en) Dynamic-directional seat pad
RU54884U1 (en) PASSENGER PASSENGER SEAT OF A PUBLIC TRANSPORT CAR
RU4667U1 (en) CHAIR AND ITS SUPPORT-RECLINATOR
RU58995U1 (en) AUXILIARY SUPPORT STRUCTURE OF A SEAT DEVICE
Kikuchi et al. Adjustable sheet for intelligent seating system
RU94131U1 (en) BENCH
WO2010110732A1 (en) Seat backrest
EP3243491A1 (en) Back support cushion

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

RIC1 Information provided on ipc code assigned before grant

Ipc: A61G 5/12 20060101ALI20230118BHEP

Ipc: A61G 5/10 20060101AFI20230118BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20230807

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR