Patent ID: 7017989
Filing Date: 2006-03-28
Classification: B60N

Abstract:
1. A vehicular seat having a forward movable headrest, comprising: a main frame which is provided to a seat back which supports a back of an occupant who sits in the back seat, the main frame including an upper frame which is positioned at an upper part of the seat back and extends in a widthwise direction of the seat back, and a pair of side frames which extend downward from both ends of the upper frame; a headrest support frame which is arranged at an upper part of the main frame and can move from a first position in the vicinity of the upper frame to a second position close to the occupant; a headrest which is attached to the headrest support frame and opposed to a head of the occupant; and an actuator unit which is attached along the upper frame, generates a drive force when an impulse force equal to or above a predetermined value is applied to a vehicle, and moves the headrest support frame in a direction along which it approaches the occupant by transmitting the drive force to the headrest support frame; wherein the actuator unit is arranged at a lower part of an intermediate portion of the upper frame in a widthwise direction in such a manner that its drive force can be applied to a substantially central part of the headrest support frame in the widthwise direction.