US Patent 10118526 Head-and-neck support device

A HANS (head-and-neck support) device includes: a fixing frame for installing on a head support of a vehicle seat; a rotary arm connected pivotally to the fixing frame and having a curved extension portion such that the rotary arm is rotatable limitedly to a predetermine angle with respect to the fixing frame, where the rotary arm extends perpendicularly from the fixing frame: and a soft pillow including a flexible cushion sheath sleeved over a curved extension portion of the rotary arm and an externally enclosing sheath sleeved around the cushion sheath; wherein, when the rotary arm is rotated to a position to abut against the fixing frame, the soft pillow is used for supporting the neck of a user and when the rotary arm is rotated to the predetermined angle, the soft pillow is used for supporting a lateral side of the user's head.