Patent ID: 7261459

Claim:
A light source device, comprising: a light source lamp providing a light beam; a reflector having a reflecting portion to align and launch the light beam; and a housing to accommodate the reflector and the light source lamp, the housing comprising: a cover member comprising: an opening for a light beam transmission formed therein; air intake slits; and a concave gutter portion of a hollow exhaust duct, wherein the cover member covers the reflecting portion of the reflector from a front side of the reflector in a light beam launching, direction; and a housing body comprising: an opening to accommodate the light source lamp, the reflector, and the cover member; and a lid portion of the hollow exhaust duct, wherein the housing body covers the reflector from a rear side of the reflector in the light beam launching direction, wherein, when the cover member is attached to the housing body, the hollow exhaust duct is formed in fluid communiction with a space inside the housing and with a space outside the housing; and fixing members, comprising: a pair of urging portions each comprising at least one bent notch; and an interconnecting portion to connect the urging portions, wherein the fixing members secure the reflector to the cover member.