| 摘要 |
PURPOSE: A solar tracking type lighting device integrated with a window of a building is provided to prevent foreign materials from being inputted to the building by sealing an open part of the window using an additional sub sealing plate. CONSTITUTION: A guide bar(10) is installed on the upper side of the front of a building. A slider(20) moves backward and forward along the guide bar. A support arm(30) is fixed to the slider. A sunlight obtaining device is formed in the front end of the support arm. A driving arm(40) rotates the sunlight obtaining device at a constant angle. |
