Patent ID: 8506011
Filing Date: 2013-08-13
Classification: B60N,Y10T

Abstract:
1. A vehicle seat characterized by mounting a headrest movably back and forth on a backrest frame by an active headrest mechanism, providing the backrest frame with a rear-end collision sensor for sensing backward movement near a waist of an occupant in the event of rear-end collision, and coupling the rear-end collision sensor and the active headrest mechanism through a link mechanism, thereby supporting a head of the occupant by moving the headrest forward by backward movement of the rear-end collision sensor, wherein the active headrest mechanism is composed of a headrest support part in lateral direction provided with a vertical engaging part for supporting a pillar of the headrest, and an upside link mechanism for moving the headrest support part ahead of the backrest, a bracket mounting the upside link mechanism on an upper frame of one plate material of the backrest frame, and wherein the upper frame is a single plate formed of right and left side plates and a central plate, the bracket is formed in a die pattern of side portions and a rear portion, the rear portion abuts against the central plate of the upper frame, and the side portions abut against the side plates of the upper frame, and are fixed by bolts.