Anti-rotation coupling
    3.
    发明授权

    公开(公告)号:US11500297B2

    公开(公告)日:2022-11-15

    申请号:US16257578

    申请日:2019-01-25

    Abstract: A coupling arrangement including a first fitting, a second fitting, and a rotational coupler which when turned presses the first fitting against the second fitting, in which the fittings engage rotationally to inhibit relative rotation of the fittings. For example, one of the fittings may have protrusions and the other fitting may have recesses arranged to receive the protrusions.

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