Regulator assembly for crew breathing mask

The invention relates to a regulator assembly (1) for a crew breathing mask, the assembly comprising:-a support (10),-a mode selection knob (20) movable between a first position, a second position and a third position,-the mode selection knob comprising a base (24) pivotally mounted on the support (10) relative to an axis of rotation, and a cover (48) supported by the base; the cover (48) is movable relative to the base between a locked position of the mode selection knob that locks rotation of the mode selection knob from the second position to the third position and an unlocked position of the mode selection knob that unlocks rotation of the mode selection knob from the second position to the third position. The unlocked position allows the rotation of the mode selection knob from the second position to the third position. 本发明涉及一种用于机组人员呼吸面罩的调节器组合件(1)，所述组合件包括：-支撑件(10)，-模式选择旋钮(20)，其可在第一位置、第二位置与第三位置之间移动，-所述模式选择旋钮包括相对于旋转轴线可枢转地安装在所述支撑件(10)上的底座(24)，以及由所述底座支撑的罩盖(48)；所述罩盖(48)可相对于所述底座在所述模式选择旋钮的锁定位置与所述模式选择旋钮的解锁位置之间移动