Patent ID: 8550561

Claim:
A vehicle seat comprising: a seatback provided on a floor of a vehicle body; a headrest body provided above the seatback; a stay extending downward from the headrest body into the seatback and including a plurality of engaging portions provided at predetermined positions in a longitudinal direction of the stay; an upper support member provided at an upper part of the seat back and including a guide portion having an inner diameter larger than an outer diameter of the stay, the guide portion being provided to guide the stay with a clearance provided between the guide portion and an outer periphery of the stay; a lower support member provided below the upper support member and provided to support the stay; and a locking member provided to the seatback and provided to engage with one of the engaging portions of the stay, the locking member engaging with one of the engaging portions that is provided at a substantially longitudinal center of the stay in the longitudinal direction when the headrest body is positioned at a lowest position, the headrest body and the stay being provided to be rockable within the guide portion and about a fulcrum defined by the locking member, wherein the lower support member includes a support portion inwardly protruding and slidably engaged with the stay, and a through-hole provided in the support portion, and wherein the locking member is provided in the through-hole to be engagable with the stay in the lower support member.