| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an outdoor switchboard wherein a waterproofing function can be ensured, using a simple structure. <P>SOLUTION: In the outdoor switchboard has double doors at both sides of an opening on the front side of a box body, the switchboard is provided with a door gutter so that it encircles the opening; the door gutter is so constructed that, when the doors are closed, the overlapped portion of the right and left doors is in the shape of trapezoidal recess whose width is wider on the rear face side; the other door is provided with a flange formed by further bending the end bent portion thereof, engaged with the door gutter, inward of the door so that it is in parallel with the front face of the door; and this makes it unnecessary to stick packing fit with a recess in the box body and enables improving waterproofing function by using only a thin plate packing. <P>COPYRIGHT: (C)2009,JPO&INPIT |
