Patent ID: 7434886

Claim:
A headrest support which holds a headrest arranged on a seat by fitting engagement, is supported on a receiving member which is arranged on the seat, and has a through hole which allows fitting of a stay of the headrest therein, wherein the headrest support is constituted by an approximately umbrella shaped head portion, a neck portion which is formed below the head portion, and an approximately cylindrical barrel portion arranged below the neck portion, wherein the head portion, the neck portion and the barrel portion are formed integrally, a stay-and-receiving-member pressing portion having resiliency is formed by a first cut groove in an intermediate portion of the barrel portion, the stay-and-receiving-member pressing portion is free to moved in at least two directions with respect to the barrel portion, the stay-and-receiving-member pressing portion is formed in an arcuate shape as viewed in a side cross section, and includes a plurality of curved inner surfaces which are curved toward a stay side and include projecting members formed at a center portion of an arcuate inner surface, and a plurality of sharply projecting outer surface portions which project toward a receiving member side formed on an arcuate outer surface end portion, one or plural pairs of resilient members are respectively formed on an upper portion and an intermediate portion of the barrel portion, and an outer peripheral surface of the stay is pressed by the curved inner surfaces of the stay-and-receiving-member pressing portion and an inner surface of the receiving member is pressed by the projecting outer surfaces of the stay-and-receiving-member pressing portion and/or the respective pairs of the resilient members.