An illumination assembly includes a support bracket adapted for mounting on a support structure and a housing adjustably connected to the support bracket. A directional light source is mounted within the housing. A cam follower/locking mechanism connected to the support bracket and the housing angularly...http://www.google.com.au/patents/US20030185014?utm_source=gb-gplus-sharePatent US20030185014 - Illumination assembly and adjustable direction mounting
