Patent ID: 8061774

Claim:
A vehicle seat comprising: a seat back frame; a headrest for supporting a head of a seat occupant, wherein the headrest is forwardly movably connected to the seat back frame; a rear-end collision detector mounted to the seat back frame at a position behind the seat occupant, wherein the rear-end collision detector detects rearward movement of the seat occupant and moves rearward; and the rear-end collision detector is operatively connected to the headrest such that the rearward movement of the rear-end collision detector forwardly moves the headrest; a link member disposed at a position lateral to the rear-end collision detector; a bracket mounted to a side frame that constitutes a side portion of the seat back frame; a link support shaft mounted to the bracket, wherein the link member is mounted to the link support shaft; a front extending portion inwardly extending in a right-to-left direction and formed at a front end of a lateral face of the side frame; and a rear extending portion inwardly extending in the right-to-left direction and formed at a rear end of the lateral face of the side frame; wherein: at least a part of the bracket is disposed on the lateral face of the side frame and between the front extending portion and the rear extending portion; a protruding portion inwardly protruding is integrally formed from a portion of the lateral face of the side frame that faces at least the part of the bracket; and at least the part of the bracket is directly attached to the integrally formed protruding portion.