Improvements in and relating to seat arrangements providing...

A - Human Necessities – 47 – C

Patent

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Details

A47C 7/46 (2006.01) B60N 2/44 (2006.01) B60N 2/66 (2006.01)

Patent

CA 2181155

A seat arrangement which provides adjustable support has a wire frame structure (1) mounted in a seat in order to support the cushioning material of the seat. Side boundaries of the frame structure are provided by wire portions (2) that extend generally parallel to one another. A first cushion supporting wire element (13) extends transversely with respect to said frame structure (1) and is pivoted thereto about a transverse axis. A second cushion supporting wire element (10) is pivoted with respect to the first wire element (13) about a second axis transverse with respect to the frame structure (1) and actuating means (16, 17) is provided for applying a force between the said two wire elements (10, 13) to cause articulation thereof about said second axis with movement of the second wire element (10) relatively to the frame structure in a direction generally parallel to the side boundaries thereof (2). The contour of the cushion support provided by the wire frame structure (1) can thus be varied.

Un agencement de siège assurant un soutien réglable comprend une structure de cadre métallique (1) montée dans un siège de façon à soutenir la matière de rembourrage du siège. Les bords latéraux de la structure métallique sont constitués de parties métalliques (2) parallèles l'une par rapport à l'autre. Un premier élément métallique (13) de support de rembourrage s'étend transversalement par rapport à la structure du cadre (1) et est pivoté en direction de celle-ci autour d'un axe transversal. Un second élément métallique (10) de support de rembourrage est pivoté par rapport au premier élément (13) autour d'un second axe transversal par rapport à la structure de cadre (1), et des moyens d'actionnement (16, 17) sont montés pour appliquer une force entre les deux éléments métalliques (10, 13), afin de provoquer l'articulation de ceux-ci autour dudit second axe, le second élément métallique (10) se déplaçant par rapport à la structure de cadre dans une direction généralement parallèle aux bords latéraux (2) de ladite structure. On peut ainsi varier le contour du support de rembourrage constitué par la structure de cadre métallique (1).

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