A mobile joint suitable for a sitting device

A - Human Necessities – 47 – C

Patent

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Details

A47C 3/02 (2006.01)

Patent

CA 2506551

The present invention relates to a mobile joint (1) with spring resistance, suitable for a sitting device, comprising a first and a second joint element (10, 20), which are pivotally connected by a shaft (3), to allow tilting of the sitting device caused by the displcement of the users weight, comprising a first and a second parallel plate spring (18, 19) with first and second ends, with an intermediate blocking element (11), wherein each plate spring (18, 19) in the first end are connected to the first joint element (10), and in the second end are glidingly abutting the second joint element (20), the first and second plate spring (18, 19) each having an axis of rotation that is displaced in relation to each other and the shaft (3).

La présente invention porte sur un assemblage mobile (1) ayant une résistance à ressort, adapté pour un siège, et comprenant un premier et un second élément d'assemblage (10, 20) raccordés pivotants par un arbre (3), de façon à permettre l'inclinaison du siège générée par le déplacement du poids de l'utilisateur ; des premier et second ressorts plats parallèles (18, 19) pourvus de première et seconde extrémités avec un élément bloquant intermédiaire (11), chaque ressort plat (18, 19), dans la première extrémité, étant raccordé au premier élément d'assemblage (10), et dans la seconde extrémité viennent en about par glissement contre le second élément d'assemblage (20), les premier et second ressorts plats (18, 19) ayant chacun un axe de rotation se déplaçant l'un par rapport à l'autre et à l'arbre (3).

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