Vehicle seat

B - Operations – Transporting – 60 – N

Patent

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Details

B60N 2/42 (2006.01) B60N 2/48 (2006.01) B60R 21/055 (2006.01)

Patent

CA 2597849

A vehicle seat, comprising a collision detector fitted to a seat back frame and relatively moving backward at the time of rear collision, a head rest fitted to the seat back frame, movable between a normal support position and a head protective position on the front side of the normal support position, and moving from the normal support position to the head protective position when the collision detector moves backward, and a lock mechanism installed in the seat back frame. The lock mechanism restricts the returning of the head rest from the head protective position to the normal support position by moving to a lock position by inertia when it receives an external force caused by the rear collision.

Siège de véhicule, comprenant un détecteur de collision, installé sur l'armature de dossier de siège et se déplaçant en arrière par rapport à celle-ci en cas de choc arrière, un appuie-tête, monté sur l'armature de dossier de siège, mobile entre une position de soutien normal et une position de protection de la tête, en avant de la position de soutien normal, et se déplaçant de la position de soutien normal à la position de protection de la tête quand le détecteur de collision recule, et un mécanisme de verrouillage installé dans l'armature de dossier de siège. Le mécanisme de verrouillage limite le retour de l'appuie-tête de la position de protection de la tête à la position de soutien normal en se déplaçant par inertie à une position de verrouillage quand il est soumis à une force extérieure résultant du choc arrière.

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