Pull-down self-supportive lighting device mounted on hand-reachable ceilings, the lighting device comprising retracting unit (25), illuminating unit (23), and gooseneck (41) connected between units (25) and (23). Retracting unit (25) is mounted above an opening on the ceiling. Illuminating unit (23)...http://www.google.se/patents/US8052311?utm_source=gb-gplus-sharePatent US8052311 - Pull-down self-supportive lighting mounted on hand-reachable ceilings
