| 摘要 |
PROBLEM TO BE SOLVED: To provide a waterproof device of a new configuration in which an installation operation of a waterproof plate is easy and theft can easily be prevented after installation completion.SOLUTION: A waterproof device 2 has: rectangular waterproof plates 1A, 1B, 1C set up on a floor surface 47; a vertical guide groove 52a inserted of an end in the width direction of the waterproof plates 1A, 1B, 1C; and at least one locking mechanism 4R disposed in the upper part of engagement part 10 of the waterproof plate 1C set up on the floor surface 47 and pressing down an engagement part 10 from the upper part. The waterproof device 2 is configured as follows: the locking mechanism 4R is pressed by the waterproof plates 1A, 1B, 1C and shifted to the groove bottom 52f side of the vertical guide groove 52a, when the waterproof plates 1A, 1B, 1C are inserted in the vertical guide groove 52a and lowered, and thereby the lowering of the waterproof plates 1A, 1B, 1C are permitted; and it returns in the direction spaced apart from the groove bottom 52f and appears to the upper part of the waterproof plate 1C, when the end in the width direction of the waterproof plate 1C passes the locking mechanism 4R.SELECTED DRAWING: Figure 2 |
