Patent ID: 8299410
Filing Date: 2012-10-30
Classification: H05K

Abstract:
1. A casing structure for electronic equipment in which a fan motor is attached to an upper part of a vent hole formed on an upper wall of a casing, wherein a rib protruding downward is provided on an inner wall surface of the upper wall in the casing at a periphery of the vent hole, an end surface of the rib is formed as an inclined surface in which one side wall of the casing is lowered and the other side wall or an opening across therefrom is raised, and the rib is provided on the upper wall such that the end surface thereof is not raised in mid-course but only descends at least between a point of the highest position of the rib and a point in which the end surface intersects with a line which passes through substantially the center of the vent hole and is perpendicular to the inclination direction of the end surface.