发明公开
EP2789360A3 Forehead supports for facial masks 有权
额头支持面膜

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 by a threaded shaft (1522), wherein turning movement of the adjustment knob causes the forehead cushion assembly to be moved between a retracted position and an extended positions.
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