HEADREST

摘要

PURPOSE: A headrest is provided to prevent the head of a passenger from leaning to one side due to the rotation and the shock of a vehicle since both sides of the head of the passenger as well as the rear head is supported. CONSTITUTION: A headrest comprises a center plate(10), a wing plate(20) and a hinge unit(30). The center plate supports the rear head of a passenger. The wing plate is coupled to the center plate, pivots back and forth, is fold by a given angle and is unfold. The hinge unit couples the wing plate to the center plate to be able to pivot back and forth. The hinge unit comprises a fixed body, a pivoting shaft and a torsion spring. The fixed body is fixed to the center plate. The pivoting shaft is fixed to the wing plate in a state of being shaft-coupled to the fixed body.