US Patent 7610916 Forehead support for facial mask

A forehead support adapted to be secured to a respiratory mask includes a joining member for securing to the mask and a cushion frame pivotally mounted to the joining member. The cushion frame is adapted to locate one or more forehead cushions. The cushion frame is adapted to pivot relative to the joining member. The cushion frame is selectively lockable at two or more predetermined angular positions relative to the joining member.