Breathing mouthpiece for underwater use
    11.
    发明授权
    Breathing mouthpiece for underwater use 失效
    呼吸喉管用于水下使用

    公开(公告)号:US4031888A

    公开(公告)日:1977-06-28

    申请号:US646878

    申请日:1976-01-05

    CPC classification number: B63C11/186 A62B9/06

    Abstract: A mouthpiece reducing fatigue and permitting the wearer to communicate by speech under water, including a cupped housing shaped to fit over the wearer's mouth, the housing having a central breathing port, and a pair of bit elements affixed interiorly to the housing and extending into the wearer's mouth to be gripped by the molar teeth, thereby allowing substantial movement of the lips and limited movement of the front teeth in normal speech.

    Abstract translation: 吸口减少疲劳并允许穿着者在水下通过语音进行通信,包括成形为适合佩戴者的嘴部的杯形壳体,壳体具有中心呼吸端口,以及一对位元件,其内部固定到壳体并延伸到 佩戴者的嘴被臼齿夹住,从而允许嘴唇的大量运动和正常言语中前牙的有限运动。

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