Patent ID: 7530698
Filing Date: 2009-05-12
Classification: G03B,H04N

Abstract:
1. A positioning device or positioning an integration rod module along an optical path defined by a light source device and a projection lens a projection apparatus, the integration rod module disposed within a casing of the projection apparatus, the integration rod module including an integration rod and a holder that encloses the integration rod therein, a rod cover disposed securely on the casing adjacent to the light source device, and light beams emitted from the light source device into the integration rod via an aperture of the rod cover, the positioning device comprising: a flexible element having a fixing plate section adapted to be mounted securely on an inner surface of the casing and a first distal plate section extending integrally from one end of said fixing plate section toward the rod cover resiliently urging the holder; and a stop member disposed securely on the holder adjacent to the rod cover and between the first distal plate section and the rod cover, the first distal plate section urging the stop member to facilitate abutment of one end of the integration rod module against the rod cover.