To provide a diving mask which facilitates lens exchange and decomposition cleaning, and further improves fixation of lenses and certainty of holding.SOLUTION: A lens frame 5 comprises: an outside frame 7 formed by forming a through hole on a lower side part and an upper side part of a center depressed part 10; a pair of inner rings 8 in which left and right parts are different parts; and a center part 18 for detachably fitting the outside frame 7 and the left and right pair of inner rings 8 on a center part thereof in a state of holding lenses, the center part 18 forms a protrusion part 19 which is fitted to the depressed part provided on a center part of the outside frame 7, and has a through hole in a direction orthogonal to the protrusion direction of the protrusion part. A machine screw 21 is passed to the through hole, a male screw part formed on the tip of the machine screw is screwed to a female screw part of a nut 23 inserted into a nut storage chamber being adjacent to the depressed part of the outside frame, the male screw part and the female screw part being fixed detachably.SELECTED DRAWING: Figure 1

    【課題】レンズ交換、分解洗浄を容易に行なうことができ、且つレンズの固定、保持の確実性をこれまで以上に向上させたダイビングマスクを提供する。【解決手段】レンズフレーム5は中央凹陥部10の下辺部及び上辺部に通孔を形成してなる外側フレーム7と、左右別体となった一対のインナーリング8と、レンズを挟んだ状態で外側フレーム7及び左右一対のインナーリング8をその中央部において嵌脱可能に固定するセンターパーツ18とからなり、センターパーツ18は前記外側フレーム7の中央部に設けた凹陥部内に嵌入させる突出部19を形成すると共に、当該突出部の突出方向と直交する方向に通孔を穿設してあり、当該通孔内にビス21を通し、当該ビスの先端に形成した雄ねじ部を、前記外側フレームの凹陥部に隣接して設けたナット収納室内に挿着したナット23の雌螺子部に螺着して両者を着脱可能に固定するようにした。【選択図】図1


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    Title :

    DIVING MASK


    Additional title:

    ダイビングマスク


    Contributors:

    Publication date :

    2019-06-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    A63B Geräte für Körperübungen, Turngeräte, Gymnastik, zum Schwimmen, Klettern oder Fechten , APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING / B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS , Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen



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