| 摘要 |
Self-aligning light source and detector assembly (11) having a sensor support (52) mounted in a predetermined, fixed position, a light source holder (27) mounted in a predetermined, fixed position relative to the sensor support, a sensor (51) mounted in a fixed position on the sensor support, and a lamp assembly (26) removably mounted to the light source holder in a predetermined position defined by mating surfaces which engage each other and seat the lamp assembly in the predetermined position whenever the lamp assembly is installed in the holder.
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