Seating unit having motion control

Details Seating unit having motion control Seating unit having motion control

A - Human Necessities

47

C

A47C 1/032 (2006.01) A47C 1/00 (2006.01)

Patent

CA 2498704

A seating unit includes a seat, a back, a base, and a motion control having a plurality of flexible supports for operably supporting the seat and back on the base. The flexible supports are movable in a generally fore-to-aft direction but stiff in a generally vertical direction, and further the flexible supports have end sections projecting generally outward from said base for operably engaging the seat and/or back, so that when the flexible supports flex in the fore-to-aft direction, they provide for directed movement of the seat and/or the back. In one form, the flexible supports form leaf- spring-like beams with resiliently bendable ends that flex in a slightly angled fore-aft direction to provide a predetermined synchronized path of movement of the seat and back.

L'invention porte sur un fauteuil à roulettes comportant un siège, un dossier, une base, et une commande de réglage présentant plusieurs supports souples, reliant le siège et le dossier à la base, et mobiles dans une direction sensiblement horizontale, mais rigides dans le sens vertical. Les extrémités desdits supports se projettent normalement vers l'extérieur à partir de la base pour soutenir le siège et/ou le dossier; ainsi lorsqu'ils fléchissent d'avant en arrière, lesdits supports déplacent directement le siège et/ou le dossier. Dans une exécution les supports souples constituent des sortes de ressorts à lame dont les extrémités élastiques fléchissent dans une direction sensiblement horizontale en déplaçant le siège et le dossier en synchronisme sur une trajectoire prédéterminée

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