| 摘要 |
PROBLEM TO BE SOLVED: To provide the structure of the bottom frame part for a doorway which improves the durability of a waterproof means attached to the bottom frame for the doorway. SOLUTION: The structure of the bottom frame of the doorway relative to the claim 1 is composed of cut off plates 2 which are attached at longitudinal body ends of the bottom frame 1 and erected toward direction separating from the closing member when the doorway is closed by a closing member such as a door or a sliding door, etc., and a cut-off plate 4 which is attached between the cut off plates 2 and falls down on the bottom frame 1 toward the shutting body 3 when the shutting body 3 is opened. Axial parts 5 are projectingly attached horizontally to the inside of the cut off plates 2 and pivots the water cut-off plat 4 at its both ends.
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