Winkeleinstellvorrichtung für ein Bildanzeigegerät

摘要

An angle controller for an image display is disclosed including a rotating hole formed in a hemispherical support portion; a control hole formed on a rotating piece to be rotatably inserted into the rotating hole and for controlling a rotating protrusion of the detaching/attaching device to rotate above a predetermined angle; rotating device for making the rotating piece rotate; an angle controlling surface for controlling the rotation angle of a rotating piece; a control piece for controlling the angle controlling surface to rotate at a predetermined angle; and fixing device for fixing the control piece.