Linear recliner assembly having bias cam mechanism

B - Operations – Transporting – 60 – N

Patent

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Details

B60N 2/02 (2006.01) B60N 2/20 (2006.01) B60N 2/22 (2006.01) B60N 2/23 (2006.01)

Patent

CA 2431525

A seat assembly includes a hinge assembly having a linear adjustment mechanism (10) including a recliner rod (16) slidably supported by a housing and a pawl (18) rotatably supported by the housing. The recliner rod preferably has a toothed portion (42) that interfaces with a toothed portion of the pawl to prohibit the recliner rod from sliding. The pawl is pivotable relative the housing such that it may be disengaged to enable the recliner rod to slide freely. When the pawl engages the recliner rod in a locked position, a first force component generally normal to the engagement of the pawl and the recliner rod and a second force component generally through the pawl pivot reduce play and improve the load-carrying capacity of the linear adjustment mechanism.

L'invention concerne un assemblage de siège doté d'un assemblage de charnière pourvu d'un mécanisme de réglage linéaire (10) comportant une tringle d'inclinaison (16) montée de manière à coulisser sur un logement et un cliquet (18) monté, de manière à tourner, sur ledit logement. La tringle d'inclinaison possède de préférence une partie dentée (42) qui sert d'interface avec une autre partie dentée de cliquet en vue d'empêcher la tringle d'inclinaison de glisser. Le cliquet peut pivoter par rapport au logement de manière à ce qu'il soit désenclenché afin de permettre à la tringle d'inclinaison de coulisser librement. Lorsque le cliquet enclenche la tringle d'inclinaison en position verrouillée, un premier composant de force généralement perpendiculaire à l'enclenchement du cliquet et à la tringle d'inclinaison et un second composant de force traversant généralement le pivot du cliquet réduit le jeu et améliore la capacité de charge du mécanisme de réglage linéaire.

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