Patent ID: 7984945
Filing Date: 2011-07-26
Classification: B60N

Abstract:
1. A vehicle seat having a seat back provided with a mechanism for moving a headrest when a rear end collision occurs, wherein the seat back comprises: a cushion material disposed at a front side of a frame of the seat back; a pressure receiving part for receiving a load of rearward movement of a passenger; and a transmission assembly for transmitting the load received by the pressure receiving part to a headrest side, the transmission assembly comprising: a lower link which is movably installed in a lower part of the seat back and is connected to the pressure receiving part; an upper link which is connected to an upper part of the seat back frame to accommodate movement of a headrest; and a connecting link which connects the lower link and the upper link to each other and is operated in association with the operation of the lower link, the connecting link comprising a main body that extends generally parallel to a front-to-rear direction in a cross section and a bent part that is bent from the main body along a lengthwise direction in a direction away from at least one of the backrest front surface and a side support front surface in a cross section, and the bent part is formed along a lengthwise direction of the connecting link.