A - Human Necessities – 47 – C
Patent
A - Human Necessities
47
C
A47C 7/46 (2006.01)
Patent
CA 2165436
The invention relates to an apparatus for adjusting the arching of a resiliently flexible support element (4) for supporting the pelvic and/or lumbular vertebrae in a back rest of a seat including an arching means comprising a spring and an operating means. According to the invention the spring (20, 35; 21, 38) is included in the force transmission tract for adjusting the arching. Preferably a spring (20, 35) is fitted between one end of the support element (4) and the force transmission member of the arching means and/or a spring (21, 38) is fitted to the free end of the force transmission member of the arching means behind the operating means.
Un dispositif de réglage de la courbure d'un élément flexible (4) qui soutient l'angle lombaire et/ou la lordose dans le dossier d'un siège comprend un système de courbure à ressort et un système d'actionnement. Le ressort (20, 35; 21,38) est situé dans la trajectoire de transmission des forces pour permettre le réglage de la courbure. De préférence, un ressort (20, 35) est situé entre une extrémité de l'élément de soutien (4) et la partie de transmission de forces du système de courbure et/ou un ressort (21, 38) est situé à l'extrémité libre de la partie de transmission de forces du système de courbure, derrière le système d'actionnement.
Ameu Management Corp.
Swabey Ogilvy Renault
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