Vehicle seat

1. A vehicle seat comprising:

a back frame; and

a bracket assembled to the back frame and configured to reduce a load applied to a neck of an occupant by shock of a rear collision when the rear collision occurs in a vehicle,

wherein the bracket has an inclined surface that is substantially parallel with a torso line at a normal posture of a seatback,

wherein the back frame has a pair of side frames and a plate shape lower frame that extends between lower parts of the side frames in a seat-width direction, and

wherein the inclined surface of the bracket protrudes further forward with respect to the plate shape lower frame in a seat front-rear direction such that a lower end portion of the inclined surface of the bracket protrudes further forward in the seat front-rear direction than an upper end portion of the inclined surface of the bracket.

2. The vehicle seat according to claim 1 ,

wherein the bracket is fixed to the lower frame at one point, and an edge of the bracket contacts a rotation preventing member that extends in the seat-width direction and connects the side frames.

3. The vehicle seat according to claim 2 ,

wherein the bracket is made of polypropylene foam beads.

4. The vehicle seat according to claim 2 ,

wherein the rotation preventing member includes a rod connecting the side frames,

wherein the bracket is formed with notches at both ends in the seat-width direction, and

wherein the notches contact the rod at both ends of the bracket.

5. The vehicle seat according to claim 1 ,

wherein the bracket is fixed to the lower frame at one point.

6. The vehicle seat according to claim 5 ,

wherein the bracket is fixed to the lower frame at one point at a center of the lower frame in the seat-width direction.

7. The vehicle seat according to claim 5 ,

wherein the bracket is fixed to the lower frame with a bolt having threads and a clip having engagement claws to be engaged with the threads.