Forehead supports for facial masks
摘要:
A face mask assembly for supplying breathable gas to a wearer, said face mask assembly comprising: a mask frame (1512), a facial cushion (16) attached to the mask frame, a forehead support (101), said forehead support including a forehead cushion assembly (1551, 1552), and an adjustment knob (1550) operatively coupled to the forehead cushion assembly, wherein turning movement of the adjustment knob causes the forehead cushion assembly to be moved between retracted and extended positions.
公开/授权文献
信息查询
0/0