Patent ID: 6550865
Filing Date: 2003-04-22
Classification: B60N

Abstract:
A headrest assembly for protecting the neck of a vehicle seat occupant comprising:a guide body having a guide groove thereon; a first actuating rod integrally formed with said guide body, which is pivotally connected to an upper cross member of a seatback frame of a seatback and rotatably installed inside the seatback, wherein a headrest is mounted on an upper end of said first actuating rod, and said headrest is forwardly moved upon rear end collisions in order to support the head of a vehicle seat occupant; a second actuating rod having an upper end and a lower end pivotally connected to a lower cross member of the seatback frame under said first actuating rod, wherein said second actuating rod is connected to said first actuating rod by means of a sliding end engaged with said guide groove of said guide body; and a press part formed at the lower end of said second actuating rod, such that a rearward load from the back of the occupant may be applied thereto, wherein, upon a rear end collision, the lower end of said second actuating rod is moved backward and the upper end of said second actuating rod is moved forward, whereby the first actuating rod coupled to the second actuating rod is moved forward while the sliding end of the second actuating rod is sliding through the guide groove of the guide body.