Abstract: A projection type television set having a main body, a projecting tube accommodated by the main body, a screen attached to said main body and a mirror box pivotally mounted on the main body for free rotary movement around an axis between a closed position and an opened position, the mirror box including a mirror which is adapted, when the mirror box is in the opened position, to reflect the light coming from the projecting tube and project the same onto the screen so as to make a display of an image on the screen. The mirror box is connected to the main body through at least one control rod which has a tubular body, a spring seat movably received by the tubular body and a pair of coiled springs disposed at respective sides of the spring seat.