Patent ID: 6979106
Filing Date: 2005-12-27
Classification: F21V,F21W

Abstract:
1. A control system for optics in a luminaire having a light path, said control system comprising: a luminaire housing: a track extending along the light path in said housing; a lens assembly including a lens frame mounted for movement along said track and including a lens in the light path; a drive system including a drive motor for moving said lens frame; a pair of doors pivotally mounted at opposite sides of said lens frame for movement between an inactive position generally parallel to said light path and an active position wherein said doors overlie said lens in the light path; and a pair of actuation abutments adjacent said track; each of said doors including a projection engageable with one of said actuation abutments in response to movement of said lens frame toward said actuation abutments; said actuation abutments and said projections being constructed and arranged to move said doors from the inactive positions to the active positions in response to engagement of said projections with said actuation abutments.