Global Patent Index - EP 3731701 A1

EP 3731701 A1 20201104 - OSCILLATION SYSTEM FOR CHAIRS

Title (en)

OSCILLATION SYSTEM FOR CHAIRS

Title (de)

SCHWINGUNGSSYSTEM FÜR STÜHLE

Title (fr)

SYSTÈME D'OSCILLATION DE CHAISES

Publication

EP 3731701 A1 20201104 (EN)

Application

EP 18836538 A 20181219

Priority

  • IT 201700151149 A 20171229
  • IT 2018050252 W 20181219

Abstract (en)

[origin: WO2019130369A1] Oscillation system (1) for chairs comprising a frame (2), an oscillating support (3) of a backrest and/or of a seat, an elastic element (21) to oppose an elastic reaction to an oscillation of the support, an adjustment system (30) structured to move, along a guide (73), a slider (50) on which a first anchoring end (22) of the elastic element (21) is abutted, wherein a first surface (80) between the slider and the guide has reliefs and a second surface (81) is structured or shaped to physically engage the first surface (80), wherein the first elastic element (21), during the oscillation of the support (3), kept in thrust against each other the first (80) and second (81) surfaces to mutually engage them, and a disengagement system (75) structured to move away one from the other, in the rest position of the support (3), the first (80) and second (81) surface to remove the mutual engagement.

IPC 8 full level

A47C 31/12 (2006.01); A47C 1/032 (2006.01)

CPC (source: EP)

A47C 1/03238 (2013.01); A47C 1/03255 (2013.01); A47C 31/126 (2013.01)

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)

WO 2019130369 A1 20190704; EP 3731701 A1 20201104

DOCDB simple family (application)

IT 2018050252 W 20181219; EP 18836538 A 20181219