Patent ID: 6390627
Filing Date: 2002-05-21
Classification: F16M,G03B,H04N

Abstract:
A projection display device placed on a set-up surface that projects images formed by an optical system, the projection display device comprising:an outer case having a plurality of surfaces, at least one of the surfaces opposing the set-up surface; and a projection angle adjusting mechanism disposed on said outer case that adjusts a projection angle by changing an angle of said outer case with regard to the set-up surface, said projection angle adjusting mechanism being independently mounted on a surface of said outer case opposing the set-up surface, and including a hinge member pivotable with respect to the surface of said outer case opposing the set-up surface, a fixing device that fixes the hinge member at a predetermined straddling angle thereof with respect to the surface of said outer case opposing the set-up surface, and a lever mechanism that retains and releases the fixing device.