Patent ID: 6527392
Filing Date: 2003-03-04
Classification: G03B

Abstract:
A light source lamp unit, comprising:a light source lamp; a reflector that reflects light emitted from the light source lamp, the light source lamp being attached to the reflector, the reflector having a main body that reflects light, the main body having an opening on a light-emitting side through which reflected light is transmitted, an outer surface of the light-emitting side of the reflector including a first alignment reference surface that extends in a first direction and a second alignment reference surface that extends in a second direction perpendicular to the first direction; a lamp housing to which the reflector is mounted, the lamp housing including a first surface extending in the first direction and a second surface extending in the second direction; and a spring that presses the reflector against the lamp housing so that the first alignment reference surface engages the first surface and the second alignment reference surface engages the second surface.