| 摘要 |
PURPOSE: A headrest folding device for a vehicle is provided to fold the headrest easily and reduce production cost and frequency of a failure. CONSTITUTION: A headrest folding device for a car seat comprises a fixed cam(20) which is fix to a headrest shaft(15) ; a rotary cam(30) which is rotated with a rotary cam shaft(13) ; a torsion spring(22) which mounted to the headrest shaft and rotates a rotary plate; an elastic spring(32) rotates the rotary cam by elastic force, thereby contacting or separating the cam nose with the fixed cam. |
