Patent ID: 7644420

Claim:
An electronic unit loading mechanism in which an electronic unit is attachable to or detachable from an electronic unit loading base which is retractable to a housing, the electronic unit loading mechanism comprising: a main part fixed to the loading base; a holding part holding the electronic unit; one or more first ventilation holes disposed in side plates of the main part; and one or more second ventilation holes disposed in the holding part, wherein the holding part is vertically movable with respect to the main part between a taken-out position and a loaded position, wherein the holding part at the taken-out position is taken out from the main part so that the electronic unit is attached to or detached from the loading base, and the holding part at the loaded position is contained in the main part so that the electronic unit is loaded to the loading base, and wherein the first ventilation holes and the second ventilation holes are cooling air passages of a cooling air used for cooling the electronic unit when the holding part is contained in the main part at the loaded position.