Patent ID: 7220178

Claim:
A case comprising: a frame comprising at least one bending section each disposed at its rear proximate its bottom, the bending section being formed by bending an extension of the bottom of the frame upward so as to form a distance between the bending section and the rear of the frame, the bending section including at least one first fastening portion and a concave top edge opposing the bottom of the frame; a fan secured to the frame by fastening at the first fastening portion of the bending section, the fan comprising a parallelepiped-shaped fan casing and a plurality of threaded holes each extended from one corner at one surface of the fan casing to one corresponding corner at the other surface thereof such that a threaded fastener is adapted to drive through the first fastening portion into the corresponding threaded hole for securing the fan to the frame; a cover adapted to snugly put onto a top and the rear of the frame, the cover including a baffle plate extended toward the bottom of the frame to be proximate an outer surface of the bending section for covering the frame and the fan.