Patent attributes
This projector includes a lamp unit and a lamp unit housing unit. The lamp unit housing unit includes a substantially U-shaped insertion frame. And the lamp unit includes a lamp and a frame. Furthermore, the lamp unit includes an edge and a plate on the outside of the frame. The edge is a member which contacts against the end portion of the insertion frame in the exhaust direction, in the installed state in which the lamp unit is installed to the lamp unit housing unit. And the plate is a member which, in the installed state, contacts in the exhaust direction with its end edge portion against an installation surface formed upon the insertion frame. Moreover, in the installed state, the plate contacts in the engagement direction with its end edge portion against the aperture line which connects the two ends of the insertion frame.
