(19)
(11) EP 4 085 888 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
22.02.2023 Bulletin 2023/08

(43) Date of publication A2:
09.11.2022 Bulletin 2022/45

(21) Application number: 22171726.7

(22) Date of filing: 05.05.2022
(51) International Patent Classification (IPC): 
A61G 5/10(2006.01)
 A61G 5/12(2006.01)
(52) Cooperative Patent Classification (CPC):
A61G 5/122; A61G 5/1048; A61G 5/1064; A61G 5/1062; A61G 5/0816; A61G 5/1045
(84) Designated Contracting States:
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
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 05.05.2021 NL 2028153

(71) Applicant: Life & Mobility Development B.V.
7007 CJ Doetinchem (NL)

(72) Inventors:
  • STAARINK, Henricus Antonius Maria
    7007 CJ Doetinchem (NL)
  • BIJTELAAR, Marike
    7007 CJ Doetinchem (NL)

(74) Representative: V.O. 
P.O. Box 87930
2508 DH Den Haag
2508 DH Den Haag (NL)

   


(54) BACKREST AND CHAIR


(57) 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.







Search report


















Search report