| 摘要 |
PURPOSE: Glasses for a gas mask are provided, in which each element is fit and is assembled and which detachably fixes an elevating member to the mask of the gas mask. CONSTITUTION: Glasses for gas mask comprise: a lens frame(41) in which a pair of lenses for correcting vision are prepared; an elevation ring(43) which is combined with the lens frame and ascends and descends with the lens frame inside the mask; a guide rail(44) into which an elevation ring is inserted and combined and which is perpendicularly fixed inside the mask and guides the elevation of the elevation ring; a fixing member fixing the elevation ring on the guide rail by supporting one part of the elevation ring ascending and descending by a guide rail; and a rail fastener which detachably fixes the guide rail in the mask.
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