Control mechanism for seating unit

Details Control mechanism for seating unit Control mechanism for seating unit

A - Human Necessities

47

C

A47C 1/031 (2006.01) A47C 1/02 (2006.01) A47C 1/032 (2006.01) A47C 7/00 (2006.01)

Patent

CA 2498395

A seating unit includes a base, a reclineable back, a seat, and a control operably supporting the back and the seat on the base for movement between upright and recline positions. The control includes a pair of flexible support members and a link that combine to operably support the seat and back for synchronous movement on the base upon recline. The flexible support member is stiff in a vertical direction for carrying a combined weight of the one component and of the seated user, but flexible in a horizontal direction to permit a swinging movement of its ends upon recline. The link is rigid and pivoted to the base for movement about a horizontal axis and also pivoted to the one component. By this arrangement, the flexible member and the link move the one component along a defined path during recline of the back.

L'invention porte sur un fauteuil comportant une base, un dossier inclinable, un siège, et un mécanisme de commande reliant le dossier et le siège à la base et permettant de les régler en hauteur et en inclinaison. Le mécanisme de commande comporte une paire de supports souples et une liaison, coopérant pour synchroniser les mouvements du siège et du dossier par rapport à la base lors de l'inclinaison. Le support souple, rigide dans le sens vertical pour porter le poids combiné du siège ou du dossier et de l'utilisateur assis, est souple dans le sens horizontal pour permettre le basculement de ses extrémités lors de l'inclinaison. La liaison, qui est rigide, pivote sur la base autour d'un axe horizontal, et par rapport au siège ou au dossier. Cette disposition permet à l'élément souple et à la liaison de déplacer le siège ou le dossier sur une trajectoire définie, lors de l'inclinaison du dossier.

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