Patent ID: 8562073

Claim:
A vehicle seat comprising: a backrest frame having right and left side frames; a headrest for supporting a head of a seat occupant that is mounted to the backrest frame; a rear-end collision detector mounted to the backrest frame and disposed in a position behind the seat occupant, wherein the rear-end collision detector detects rearward movement of the seat occupant; and a seat cushion provided in front of the rear-end collision detector; wherein: the rear-end collision detector is supported to the backrest frame via a rotary member mounted to the backrest frame and a connecting member connected to the rotary member; the rearward movement of the rear-end collision detector moves the rotary member; a concave portion is formed proximate an outer lateral side relative to a seating direction of the seat cushion; an end portion of the connecting member is accommodated in the concave portion; the end portion of the connecting member is provided with a forward bent portion that is bent forward along the concave portion of the seat cushion; and at least a part of the forward bent portion contacts a surface of the concave portion.