EP 2881011 A1 20150610 - Cushion for chair and chair
Title (en)
Cushion for chair and chair
Title (de)
Kissen für Stuhl und Stuhl
Title (fr)
Coussin pour siège et siège
Publication
Application
Priority
EP 13195463 A 20131203
Abstract (en)
Provided is a cushion for a chair including a seat member and a back-supporting member, wherein the seat member includes two ischium-facing portions, a surface of each ischium-facing portion being to abut on an ischium of the user and having a specific threedimensional curved surface; and the back-supporting member includes an ilium upper border-facing portion and a lower ribs-facing portion, a surface of the ilium upper border-facing portion being to abut on an ilium of the user and being entirely concavely curved in a transverse cross section along a left-right direction, a surface of the lower ribs-facing portion being to abut on slower ribs of the user and being entirely concavely curved in the transverse cross section along the left-right direction, and a portion of the back-supporting member upper than the lower ribs-facing portion having a specific three-dimensional curved surface.
IPC 8 full level
CPC (source: EP)
A47C 3/12 (2013.01); A47C 7/029 (2018.07)
Citation (applicant)
JP 2012046005 A 20120308 - DENSO CORP
Citation (search report)
- [I] US 3749442 A 19730731 - BERG J, et al
- [I] US 2847061 A 19580812 - MORTON HERSCHEL B
- [IY] US 3740096 A 19730619 - BRIDGER G
- [IA] US 2013113264 A1 20130509 - PHAM LOAN KIM THI [VN]
- [IA] US 2013060282 A1 20130307 - PHAM LOAN KIM THI [VN]
- [Y] FR 2891447 A1 20070406 - MIGNARD JEAN CHRISTOPHE [FR]
- [A] US 2013257132 A1 20131003 - CHEN FU-CHIENG [TW]
- [A] US 8566987 B1 20131029 - BURGE ROBERT S [US]
Designated contracting state (EPC)
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 state (EPC)
BA ME
DOCDB simple family (publication)
EP 2881011 A1 20150610; EP 2881011 B1 20180718; DK 2881011 T3 20181022; ES 2691030 T3 20181123
DOCDB simple family (application)
EP 13195463 A 20131203; DK 13195463 T 20131203; ES 13195463 T 20131203