A - Human Necessities – 47 – C
Patent
A - Human Necessities
47
C
A47C 1/022 (2006.01) A47C 1/03 (2006.01) A47C 3/026 (2006.01) A47C 7/40 (2006.01) A47C 7/54 (2006.01)
Patent
CA 2472070
A tiltable chair including a housing, a back support pivotally attached to the housing about a first horizontal axis and a seat support pivotally attached to the back support about a second horizontal axis and moveably supported by a curved track formed on the housing. A leaf spring includes a first end supported by the housing and a second end biasing the back support and seat support in an upward direction. Preferably, a fulcrum member, which includes a support surface having a curvilinear contour, is moveably supported in the housing and engages a bottom surface of the spring intermediate the first and second ends of the spring. Preferably, a linkage mechanism including a first and second link is adapted to adjust the position of the fulcrum. In another preferred embodiment, a gear housing is removably disposed in said housing and coupled to the fulcrum. In one preferred embodiment, rearward and forward tilt limiters are provided. In various preferred embodiments, the chair further includes a backrest having a plurality of openings, and armrests that are vertically, laterally and pivotally adjustable. In a preferred embodiment, a kit for assembling a seating structure includes a tilt housing having a plurality of connector arrangements comprising at least a first and second connector arrangement, a first seating arrangement having a first mounting arrangement configured to be connected to the first connector arrangement, and a second seating arrangement having a second mounting arrangement configured to be connected to the second connector arrangement.
L'invention concerne un fauteuil basculant comprenant un logement, un support arrire fix~ de manire pivotante au logement autour d'un premier axe horizontal et un support de sige fix~ de manire pivotante au support arrire autour d'un second axe horizontal et support~ de manire amovible par une courbe form~e dans le logement. Un ressort ~ lames comprend une premire extr~mit~ support~e par le logement et une seconde extr~mit~ penchant le support arrire et le support sige vers le haut. De pr~f~rence, un pivot, qui comprend une surface de support ~ contour curvilin~aire, est support~ de manire amovible dans le logement et vient en contact avec une surface inf~rieure du ressort entre les premire et seconde extr~mit~s du ressort. De pr~f~rence, un m~canisme de liaison comprenant une premire et seconde liaison est con×u pour r~gler la position du pivot. Dans un autre mode de r~alisation pr~f~r~, un logement de roue est dispos~ de ce logement et est coupl~ au pivot. Dans un mode de r~alisation pr~f~r~, des limiteurs d'inclinaison avant et arrire sont d~crits. Dans divers modes de r~alisation, le fauteuil comprend en outre un dossier pr~sentant une pluralit~ d'ouvertures, et des accoudoirs pivotants r~glables verticalement et horizontalement. Dans un mode de r~alisation pr~f~r~, un ensemble pour monter une structure sige est pourvu d'un logement du dispositif d'inclinaison comprenant une pluralit~ d'ensembles connecteurs comportant au moins un premier et un second ensemble connecteur, d'un premier ensemble sige comprenant un premier ensemble de montage con×u pour Útre connect~ au premier ensemble connecteur, et d'un second ensemble sige comprenant un second ensemble de montage ~ connecter au second ensemble de montage.
Aerts Chad D.
Aldrich John F.
Hill Christopher C.
Neubert Nicolai
Plikat Claudia
Cassan Maclean
Herman Miller Inc.
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