Spring toggle furniture mechanism

A - Human Necessities – 47 – C

Patent

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Details

A47C 1/02 (2006.01)

Patent

CA 2562686

A spring assembly for an article of furniture having a seat assembly supported from a chair frame and an actuation mechanism for enabling a leg rest assembly to move between a stowed position and an extended position. The mechanism includes a support shaft, a drive rod spaced apart from the support shaft, and a toggle link coupled to the drive shaft. The spring assembly includes a spring with a first and a second end and adapted to attach to the toggle link at the first end. The spring also includes a member at the second end adapted to slidably engage the support shaft, whereby the spring aligns itself at a position on the support shaft where the length of the spring is at a minimum.

Ensemble ressort destiné aux meubles, comportant un siège soutenu par un cadre de chaise, et mécanisme permettant à un ensemble repose-jambes de passer de la position rangée à la position déployée. Le mécanisme comprend un arbre de support, une tige d'entraînement espacée de l'arbre de soutien, et une tige de basculement reliée à l'arbre d'entraînement. L'ensemble ressort comporte un ressort muni de deux arrêts et adapté pour que le premier arrêt s'attache au mécanisme de bascule. Le ressort comporte également une tige au deuxième arrêt adaptée pour tenir l'arbre de support par coulissement, de sorte que le ressort s'aligne de lui-même dans une position sur l'arbre de support à l'endroit où le ressort atteint sa plus faible longueur.

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