EP 2178418 A1 20100428 - MEMORY APPARATUS FOR THE BACK OF A CHAIR
Title (en)
MEMORY APPARATUS FOR THE BACK OF A CHAIR
Title (de)
SPEICHERVORRICHTUNG FÜR DIE RÜCKENLEHNE EINES STUHLS
Title (fr)
DISPOSITIF À MÉMOIRE POUR DOSSIER D'UNE CHAISE
Publication
Application
Priority
- KR 2008004426 W 20080730
- KR 20070076937 A 20070731
- KR 20080073331 A 20080728
- KR 20080073332 A 20080728
Abstract (en)
[origin: WO2009017357A1] A memory device installed in a backrest of a chair is disclosed. The memory device includes a plurality of support shafts, a plurality of housings receiving the plurality of support shafts, a support block inserted in the respective housings and having a plurality of fixing grooves formed on both sides thereof, a spring for resilient supporting the support block, a setting block having one end rotatably receiving the support shaft, in a state where the setting block is inserted in both sides of the housing, and the other end with a fixing boss inserted in the fixing groove, a setting spring for resiliently supporting the setting block, a rotary lever connected to the setting block via a wire, a support plate connected to the rotary lever by a hinge, and having a setting groove and a release groove formed on an surface thereof, an operation lever resiliently installed on the rotary lever by a support spring, and a setting pin integrally formed with the operation lever and selectively inserted in the setting groove or the release groove. The memory device further includes a housing having a receiving hole which is stacked on an upper portion of the support shaft, with a portion of a lower part of the backrest of the chair being stacked with the support blocks. The housing is installed at a portion corresponding to cervical vertebra, and has a plurality of pocket grooves, a support pocket is inserted in the respective pocket grooves, and a guide shaft protrudes from the respective pocket grooves.
IPC 8 full level
A47C 7/44 (2006.01)
CPC (source: EP KR US)
A47C 7/405 (2013.01 - EP KR US); A47C 7/443 (2013.01 - KR); A47C 7/46 (2013.01 - EP US); A47C 7/462 (2013.01 - KR)
Citation (search report)
See references of WO 2009017357A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
WO 2009017357 A1 20090205; CN 101784214 A 20100721; CN 101784214 B 20120229; EP 2178418 A1 20100428; JP 2010535061 A 20101118; KR 100916753 B1 20090914; KR 101094604 B1 20111215; KR 20090012796 A 20090204; KR 20100012126 A 20100208; KR 20100012127 A 20100208; US 2010301651 A1 20101202
DOCDB simple family (application)
KR 2008004426 W 20080730; CN 200880101289 A 20080730; EP 08792947 A 20080730; JP 2010519149 A 20080730; KR 20070076937 A 20070731; KR 20080073331 A 20080728; KR 20080073332 A 20080728; US 67118508 A 20080730