Backrest and adjustable arm for a chair

A - Human Necessities – 47 – C

Patent

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Details

A47C 3/027 (2006.01)

Patent

CA 2570357

A chair having a backrest with a Y-shaped member. The member being affixed to the center of the top rail of the backrest frame at one end. The other end of the Y-shaped member is connected to backrest fabric, pulls it rearward, and hold the backrest fabric in tension using a pair of retractors. The backrest fabric is secured to the retractors by a weld cord contained with in a chamber formed in each retractor. The weld cord is sewn into a fabric sheath that is, in turn, stitched to the backrest fabric. The member is biased to flex rearward when the backrest fabric moves rearward from an at-rest position.

L'invention concerne une chaise comprenant un dossier présentant un élément en forme de Y, dont une extrémité est fixée au centre de la traverse supérieure du cadre du dossier. L'autre extrémité de l'élément en forme de Y est reliée au tissu du dossier, de manière à tirer le tissu vers l'arrière et à le maintenir tendu au moyen de deux rétracteurs. Le tissu du dossier est fixé sur les rétracteurs au moyen d'une ganse placée à l'intérieur d'un compartiment formé dans chaque rétracteur. La ganse est cousue dans une gaine de tissu, laquelle est à son tour cousue sur le tissu du dossier. L'élément en Y est précontraint de manière à se plier vers l'arrière lorsque le tissu du dossier est déplacé vers l'arrière à partir d'une position de repos.

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