Patent ID: 8132925

Claim:
A projector comprising: a light source; a light modulation device which modulates a light emitted from the light source and forms image light; a projection device which magnifies and projects the image light; and an exterior casing, wherein: on a light exiting surface for the image light of the exterior casing, a first opening is formed and a projection direction change unit which opens and closes the first opening is provided, the projection direction change unit has: a cover which has a second opening for passing the image light from the projection device and which is provided rotatably in an off-plane direction with respect to the light exiting surface and thus opens and closes the first opening; a shutter which is movably provided along an inner surface of the cover and thus opens and closes the second opening; a reflection mirror which is provided on an inner surface of the shutter and reflects the image light from the projection device, and a first lock mechanism which regulates opening of the cover in a first state where the first opening is closed by the cover and the second opening is opened by the shutter, and the first lock mechanism has a lock pawl which protrudes inward of the first opening from a peripheral edge of the first opening and which is located between the cover and the shutter in the first state.