Patent ID: 7845721

Claim:
A movable headrest provided on a seat back of a seat mounted in a vehicle and capable of changing a position from a normal position to an emergency position, comprising: a headrest support supported by the seat back and having a guide section; a rotary support member pivotally supported by the headrest support with a first axial member between a first position corresponding to the normal position and a second position corresponding to the emergency position; and a headrest body pivotally supported by the rotary support member with a second axial member and having a headrest body support which is formed with an insertion hole into which said guide section is inserted, wherein as the rotary support member rotates relative to the headrest support, the second axial member moves along an arcuate locus about the first axial member, and a position of the headrest body relative to the headrest support changes while the headrest body support moves along the guide section.