Patent ID: 7375881
Filing Date: 2008-05-20
Classification: G02B

Abstract:
1. An assembly for use in an optical sighting device, comprising: a molded support member including a frame portion configured to fit substantially within an optical sighting device housing and a generally tubular portion, the tubular portion having a longitudinal axis and at least one guide feature extending along the longitudinal axis; a first optical beam directing element rigidly seated on the frame portion in precise alignment relative to the tubular portion; a second optical beam directing element movably supported on the frame portion in precise alignment relative to the tubular portion and the first beam directing element; and at least one optical element slidably mounted within the tubular portion of the support member, the optical element including a guide piece operably engaged with the guide feature of the support member for guiding movement of the optical element along the longitudinal axis of the tubular portion.