Global Patent Index - EP 1537804 B1

EP 1537804 B1 20070228 - Synchronised mechanism for an office chair

Title (en)

Synchronised mechanism for an office chair

Title (de)

Synchronmechanik für Bürostühle

Title (fr)

Mécanisme synchrone pour chaise de bureau

Publication

EP 1537804 B1 20070228 (DE)

Application

EP 04025029 A 20041021

Priority

DE 10357165 A 20031206

Abstract (en)

[origin: EP1537804A1] Synchronizing mechanism comprises a spring arrangement (10) having an extension spring (24) arranged parallel to the sliding direction of a seat support (4) and between a bearings. Preferred Features: One or more bearings for increasing the spring length can be adjusted to adjust the pre-tension of further extension springs (22). Each adjustable bearing is formed by a receiving hook which is hinged on an cam. The cam can be rotated by an adjusting drive via a worm gear pair.

IPC 8 full level

A47C 1/032 (2006.01)

CPC (source: EP US)

A47C 1/03255 (2013.01 - EP); A47C 1/03266 (2013.01 - EP US); A47C 1/03272 (2013.01 - EP US); A47C 1/03294 (2013.01 - EP)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1537804 A1 20050608; EP 1537804 B1 20070228; AT 354992 T 20060315; CN 100569144 C 20091216; CN 1623471 A 20050608; DE 10357165 A1 20050630; DE 502004003024 D1 20070412; DK 1537804 T3 20070625

DOCDB simple family (application)

EP 04025029 A 20041021; AT 04025029 T 20041021; CN 200410096942 A 20041206; DE 10357165 A 20031206; DE 502004003024 T 20041021; DK 04025029 T 20041021