Disclosed herein is a headrest for vehicles, which can fixedly support the passenger's head including the mandible in an automobile crash, thereby preventing hyper-flexion of the neck. The headrest comprises a pair of support rods fitted at the top of a ba...

A seat apparatus comprises: a seat back provided with a seat back frame; a head rest frame supported to the seat back frame via a tilting shaft so as to be freely tilted in forward and rearward directions; a head rest supported to an upper side of the tilt...