Easy entry mid-position memory seat

B - Operations – Transporting – 60 – N

Patent

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Details

B60N 2/12 (2006.01)

Patent

CA 2345689

An automotive seat assembly (10) has a seat cushion and a seat back pivotally mounted to the seat cushion. The seat assembly includes a seat track mechanism having a lower track member (18) and an upper track member (20) supported by the lower track member (18) for movement between forward and rearward positions. An incremental locking mechanism is mounted between the upper and lower track members (18) for locking the track members in a desired position and for unlocking the track members to allow the upper track member (20) to move between the forward and rearward positions. A slide actuator is disposed adjacent the locking mechanism and is moveable to an engaged position for disengaging the locking mechanism and moving the upper track member (20) to a forward dump position. The seat assembly (10) also includes a positioning device which comprises a locator mounted to the upper track member (20) and moveable with the upper track member (20) as the upper track member (20) is moved to the forward dump position. The locator is interconnected to the slide actuator wherein the locator moves between a release position allowing the upper track member (20) to freely move relative to the lower track member (18) and a blocking position to align with a fixed stop which limits the movement of the upper track member (20) to a predetermined stop position upon rearward movement of the upper track member (20) from the forward dump position.

Cet ensemble siège d'automobile (10) comporte un coussin de siège et un dossier monté pivotant sur le coussin. Cet ensemble siège est pourvu d'un mécanisme consistant en un rail de fixation de siège comportant un rail inférieur (18) et un rail supérieur (20) soutenu par le rail inférieur et ce, afin d'autoriser le passage d'une position arrière à une position avant. Un mécanisme de verrouillage progressif est installé entre les deux rails, de manière à les verrouiller dans la position désirée ou à les déverrouiller pour permettre au rail supérieur (20) de passer d'une position à l'autre. Un actionneur coulissant, contigu du mécanisme de verrouillage, passe d'une position en prise permettant de libérer ce mécanisme de verrouillage et de déplacer le rail supérieur (20) à une position de basculement en avant. Cet ensemble siège (10) est également pourvu d'un dispositif de positionnement comprenant un localisateur monté sur le rail supérieur (20) et se déplaçant avec lui lorsque celui-ci (20) se déplace vers la position de basculement en avant. Ce localisateur, qui est relié à l'actionneur coulissant, passe d'une position de libération, permettant au rail supérieur (20) de se déplacer relativement librement par rapport au rail inférieur (18), à une position de blocage pour s'aligner sur une position prédéterminée d'arrêt limitant le mouvement du rail supérieur (20) après son déplacement vers l'arrière à partir de la position de basculement en avant.

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