EP 0904713 A3 20000503 - Swinging supporting frame for a chair seat and back
Title (en)
Swinging supporting frame for a chair seat and back
Title (de)
Schwenkbarer Stützrahmen für einen Sitz oder Rückenlehne
Title (fr)
Cadre de support pivotant pour siège et dossier
Publication
Application
Priority
IT PC970026 A 19970922
Abstract (en)
[origin: EP0904713A2] A swinging supporting frame for a chair seat and back, comprising: a sustantially horizontal arm (1) for fastening a chair seat; a telescopic rod (2) supporting the chair back and being hinged to said arm (1); one or more springs (40) acting on said vertical rod to push the chair back forward; a spacer (44) inserted between the walls (5) of said horizontal arm; and screw means (16) for pressing the walls of said telescopic rod (2) against the walls (5) of said arm (1) and against said spacer (44) to lock the chair back in position, wherein said springs (40) are helical springs inserted onto the hinge pin (6) which is fitted on said arm (1) and said telescopic rod (2), one of the ends of said springs acting directly against the wall of said arm (1) and the other spring end acting against said rod, in particular against said spacer (44) inserted on said clamping screw means. A plurality of friction plates (10) are arranged between said spacer (44) and the walls of said arm (1), and in order to position and set up said plates (10), said frame includes a pair of teeth (8, 9) obtained in the walls (5) of said arm by blanking and drawing. <IMAGE>
IPC 1-7
IPC 8 full level
A47C 1/027 (2006.01); A47C 7/44 (2006.01)
CPC (source: EP US)
A47C 1/027 (2013.01 - EP); A47C 7/444 (2018.08 - EP US)
Citation (search report)
- [A] US 4062587 A 19771213 - WOLTERS RICHARD H
- [A] US 5066069 A 19911119 - DEGELDER JACOB [US]
- [A] WO 9409682 A1 19940511 - DOERNER PROD LTD [CA]
- [A] US 5560682 A 19961001 - BROWN JUSTIN P [AU]
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0904713 A2 19990331; EP 0904713 A3 20000503; CA 2230107 A1 19990322; IT 1296230 B1 19990618; IT PC970026 A0 19970922; IT PC970026 A1 19990322
DOCDB simple family (application)
EP 98105311 A 19980324; CA 2230107 A 19980326; IT PC970026 A 19970922