| 摘要 |
A light source device comprises a light source lamp detachably fitted to a light source lamp rest mounted on a housing; and a reflection mirror-retracting mechanism comprising a swing member on which a reflection mirror is carried, and which swings between a first position in which the swing member causes the reflection mirror to face one end of the light source lamp and a second position in which the swing member retracts the reflection mirror from one end of the light source lamp, and fixing member for locking the swing member in the first position. The arrangement allows for the fitting, removal or replacement of the light source lamp without releasing the reflection mirror from its place each time. |
