To provide a water cut-off door device capable of cutting off or intercepting water in an emergency, by manually and quickly opening and closing a water cut-off door, by easily installing the water cut-off door in an entrance of an existing building, and an entrance of an underpass or a basement.
In this water cut-off device for a passage, bearing plates 3 and 3 are projected on a backward surface 2" of a water cut-off upright plate 2 arranged on one side of a road 1; a support shaft 5 for opening and closing the water cut-off door 4 of the passage 1, is arranged on the bearing plates 3 and 3; an L-shaped arm 6 is projected on a backward surface 4" near one side edge 4' of the water cut-off door 4; a rear end boss part 7 of the arm 6 is rotatably and liftably-slidably pivoted on the support shaft 5; the water cut-off door 4 is freely opened and closed around the support shaft 5; the backward surface 4" of one side edge 4 of the water cut-off door 4 of closing the passage 1, is opposed to a forward surface of the upright plate 2; and a freely openable-closable water cut-off upright plate 2' opposed to the backward surface 4" of the other side edge 4a of the water cut-off door 4, is arranged on the other side of the passage 1.
COPYRIGHT: (C)2005,JPO&NCIPI
Takamasa Miyachi
Daibo Metal Co., Ltd.
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Nobutaka Fujii
Shigeo Fujii