EP 1998648 A4 20110105 - CHAIR WITH ADJUSTABLE BACK SUPPORT
Title (en)
CHAIR WITH ADJUSTABLE BACK SUPPORT
Title (de)
STUHL MIT EINSTELLBARER RÜCKENLEHNE
Title (fr)
CHAISE À DOSSIER RÉGLABLE
Publication
Application
Priority
- NO 2007000099 W 20070314
- NO 20061211 A 20060315
Abstract (en)
[origin: WO2007105959A1] A chair, particularly an office chair, comprising a seat part (2) and a back part (3) which can be adjusted in relation to the seat part, where the back part is equipped with a back support in the form of a fluid containing cushion device (4) where fluid by exerting pressure against an upper part of the cushion device is transferred to a lower part of same so that the lower part expands and provides support for the lower spine of a person (8) leaning backwards on the chair (1). The cushion device (4) comprises one only, upper air cushion (5) and at least one lower air cushion (6) where the upper and lower air cushions are connected via a channel (7) equipped with a valve device (9) for control regulation of the air transfer between the cushions (5, 6).
IPC 8 full level
A47C 7/46 (2006.01)
CPC (source: EP)
A47C 7/467 (2013.01)
Citation (search report)
- [X] US 5135282 A 19920804 - PAPPERS RUDOLF [DE]
- [A] WO 9408493 A1 19940428 - VOELKLE ROLF [DE]
- See references of WO 2007105959A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2007105959 A1 20070920; EP 1998648 A1 20081210; EP 1998648 A4 20110105; NO 20061211 L 20070917; NO 327509 B1 20090727
DOCDB simple family (application)
NO 2007000099 W 20070314; EP 07747565 A 20070314; NO 20061211 A 20060315