摘要 |
PROBLEM TO BE SOLVED: To solve a problem in which a floor surface has a step formed when lower door stop hardware in a projection shape is installed while there is conventional lower door stop hardware in an uneven shape available as a watertight structure, so that the step is an obstacle to passage, cleaning, etc., it takes trouble and cost to install a slop on the step, the appearance is bad, and further a problem in which the floor surface has a groove formed when lower door stop hardware in a recessed shape is installed, so that the groove is an obstacle to passage, cleaning, etc., and may cause a person to fall down.SOLUTION: There is provided a waterproof structure by waterproof rubber provided for a swing type waterproof door, the waterproof rubber is as large as a girder of a waterproof door, and embedded in a floor surface when the waterproof door is open, but projects from the floor surface when the waterproof door is closed, and operation means of controlling sinking and projection or engagement and disengagement of the waterproof rubber is attached to the waterproof door so as to construct a waterproof structure without providing any step on the floor surface. |